Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Dublin 17.10.x
Introduction to Cisco Catalyst 9800 Series Wireless Controllers
The Cisco Catalyst 9800 Series Wireless Controllers comprise next-generation wireless controllers (referred to as controller in this document) built for intent-based networking. The controllers use Cisco IOS XE software and integrate the radio frequency (RF) capabilities from Cisco Aironet with the intent-based networking capabilities of Cisco IOS XE to create a best-in-class wireless experience for your organization.
The controllers are enterprise ready to power your business-critical operations and transform end-customer experiences:
-
The controllers come with high availability and seamless software updates that are enabled by hot and cold patching. This keeps your clients and services up and running always, both during planned and unplanned events.
-
The controllers come with built-in security, including secure boot, run-time defenses, image signing, integrity verification, and hardware authenticity.
-
The controllers can be deployed anywhere to enable wireless connectivity, for example, on an on-premise device, on cloud (public or private), or embedded on a Cisco Catalyst switch (for SDA deployments) or a Cisco Catalyst access point (AP).
-
The controllers can be managed using Cisco Catalyst Center, programmability interfaces, for example, NETCONF and YANG,or web-based GUI or CLI.
-
The controllers are built on a modular operating system. Open and programmable APIs enable the automation of your day zero to day n network operations. Model-driven streaming telemetry provides deep insights into your network and client health.
The controllers are available in multiple form factors to cater to your deployment options:
-
Catalyst 9800 Series Wireless Controller Appliance
-
Catalyst 9800 Series Wireless Controller for Cloud
-
Catalyst 9800 Embedded Wireless Controller for a Cisco Switch
Note |
All the Cisco IOS XE programmability-related topics on the controllers are supported by DevNet, either through community-based support or through DevNet developer support. For more information, go to https://developer.cisco.com. |
What's New in Cisco IOS XE Dublin 17.10.1
Feature Name |
Description and Documentation Link |
||
---|---|---|---|
Application Performance Monitoring (Includes FlexConnect and Fabric Modes) |
This feature collects and exports assurance-related metrics (per application) of the flows forwarded through the corresponding AP to the Cisco DNA Centre Assurance application. For more information, see the Chapter Application Performance Monitoring. |
||
AP Power Distribution |
The AP Power Distribution feature helps APs such as the Cisco Catalyst 9130 Series APs and Cisco Catalyst 9136 Series APs, to operate as 4x4 + 4x4 + USB on PoE+. The APs can reallocate the extra AP power to different radios while operating on PoE+ (30W). For example, to balance the power budget across 2.4-GHz, 5-GHz, and 6-GHz, disable 2.4-GHz to allow optimal 6-GHz operation. This feature has been enhanced to support the following:
The following command is introduced:
For more information, see the Chapter AP Power Save. |
||
Cisco DNA Center Client Event and SSID Telemetry Filter |
This feature filters out telemetry data for a configured SSID on the controller and the corresponding AP. The following command is introduced:
For more information, see the Chapter Streaming Telemetry. |
||
CleanAir Support for 6 GHz |
From this release, CleanAir is supported in the 6-GHz band radio of the corresponding AP. For more information, see the Chapter Cisco CleanAir. |
||
Device Classifier Dynamic XML Support |
This feature enables better device classification without upgrading the device to a new release. For more information, see the Chapter Device Classifier Dynamic XML Support. |
||
Device Ecosystem Data |
This feature sends the device analytics data that is present in the RADIUS accounting request to Cisco ISE in order to profile endpoints. The following command is introduced:
For more information, see the Chapter RADIUS Accounting. |
||
Product Analytics |
This feature allows for the collection of non-personal usage device systems information for Cisco products, which helps in continuous product improvements. This feature is supported on the Cisco Catalyst 9800 Series Wireless Controllers (9800-80, 9800-40, 9800-L, and 9800-CL). You can use the the pae command to enable or disable this feature. The following commands are introduced as part of this feature:
Important: Cisco is constantly striving to advance our products and services. Knowing how you use our products is key to accomplishing this goal. To that end, Cisco will collect device and licensing Systems Information through Cisco Smart Software Manager (CSSM) for product and customer experience improvement, analytics, and adoption. Cisco processes your data in accordance with the General Terms and Conditions, the Cisco Privacy Statement and any other applicable agreement with Cisco. To modify your organization’s preferences for device and licensing systems information, use the paecommand. See Cisco Catalyst 9800 Series Wireless Controller Command Reference → pae. Additional information on this feature can be found here . |
||
DNS or DHCP or AAA Server Reachability Through IPSLA and Failure Reasons for DHCP |
This feature introduces additional parameters to capture the DHCP server failures in client events and send them to Cisco DNA Center for meaningful insights into the network and to take proactive actions on network issues to improve reliability, high availability, and performance. |
||
Downloadable ACL (Central Switching Only) |
The Downloadable ACL (dACL) feature defines and updates ACLs in one place (Cisco ISE) and allows ACL download to all the applicable controllers. For more information, see the Chapter Downloadable ACL (dACL). |
||
Factory Reset (with Data Wipe) |
Factory reset will not only erase the configuration but also removes all the customer-specific data that has been added to the device since the time of its shipping. The erased data covers configurations, log files, boot variables, core files, and credentials such as FIPS-related keys. For more information, see the Hardware Installation Guides of the Cisco Catalyst 9800 Series Wireless Controllers. |
||
New SFP Support on Cisco Catalyst 9800-80 Wireless Controllers |
The following SFPs are supported from this release:
|
||
Site Load Balancing |
The Load Balancing feature is enhanced to specify a site load for better load balancing. The following command is introduced:
For more information, see the Chapter Enhanced Site Tag-Based Load Balancing. |
||
Support for 4 FNF Monitors |
From Cisco IOS XE Dublin 17.10.1, you can configure up to four flow monitors (from the earlier limit of two flow monitors) in a policy profile per direction (input and output) in local mode. The additional flow monitors help to collect DNS traffic statistics and send them to Cisco DNA Center to analyse and take corrective actions. |
||
Upgrade YANG Models to YANG 1.1 |
Cisco-defined YANG models are in YANG Version 1.1 in Cisco IOS XE Dublin 17.10.1 and later releases. |
||
Workgroup Bridge Mode on Cisco Catalyst 9124 and 9130 Series Access Points |
Workgroup Bridge Mode mode is supported on the following APs:
|
Feature Name |
GUI Path |
---|---|
AP Power Save |
|
CleanAir Support for 6 GHz |
|
MIBs
The following MIB is newly added or modified:
-
CISCO-LWAPP-AP-MIB
-
CISCO-LWAPP-SI-MIB
Interactive Help
The Cisco Catalyst 9800 Series Wireless Controller GUI features an interactive help that walks you through the GUI and guides you through complex configurations.
You can start the interactive help in the following ways:
-
By hovering your cursor over the blue flap at the right-hand corner of a window in the GUI and clicking Interactive Help.
-
By clicking Walk-me Thru in the left pane of a window in the GUI.
-
By clicking Show me How displayed in the GUI. Clicking Show me How triggers a specific interactive help that is relevant to the context you are in.
For instance, Show me How in Configure > AAA walks you through the various steps for configuring a RADIUS server. Choose Configuration> Wireless Setup > Advanced and click Show me How to trigger the interactive help that walks you through the steps relating to various kinds of authentication.
The following features have an associated interactive help:
-
Configuring AAA
-
Configuring FlexConnect Authentication
-
Configuring 802.1X Authentication
-
Configuring Local Web Authentication
-
Configuring OpenRoaming
-
Configuring Mesh APs
Note |
If the WalkMe launcher is unavailable on Safari, modify the settings as follows:
|
Supported Hardware
The following table lists the supported virtual and hardware platforms. (See Supported PIDs and Ports for the list of supported modules.)
Platform |
Description |
---|---|
Cisco Catalyst 9800-80 Wireless Controller |
A modular wireless controller with up to 100-GE modular uplinks and seamless software updates. The controller occupies a 2-rack unit space and supports multiple module uplinks. |
Cisco Catalyst 9800-40 Wireless Controller |
A fixed wireless controller with seamless software updates for mid-size to large enterprises. The controller occupies a 1-rack unit space and provides four 1-GE or 10-GE uplink ports. |
Cisco Catalyst 9800-L Wireless Controller |
The Cisco Catalyst 9800-L Wireless Controller is the first low-end controller that provides a significant boost in performance and features. |
Cisco Catalyst 9800 Wireless Controller for Cloud |
A virtual form factor of the Catalyst 9800 Wireless Controller that can be deployed in a private cloud (supports VMware ESXi, Kernel-based Virtual Machine [KVM], Microsoft Hyper-V, and Cisco Enterprise NFV Infrastructure Software [NFVIS] on Enterprise Network Compute System [ENCS] hypervisors), or in the public cloud as Infrastructure as a Service (IaaS) in Amazon Web Services (AWS), Google Cloud Platform (GCP) marketplace, and Microsoft Azure. |
Cisco Catalyst 9800 Embedded Wireless Controller for Switch |
The Catalyst 9800 Wireless Controller software for the Cisco Catalyst 9000 switches brings the wired and wireless infrastructure together with consistent policy and management. This deployment model supports only Software Defined-Access (SDA), which is a highly secure solution for small campuses and distributed branches. |
The following table lists the host environments supported for private and public cloud.
Host Environment |
Software Version |
---|---|
VMware ESXi |
|
KVM |
|
AWS |
AWS EC2 platform |
NFVIS |
ENCS 3.8.1 and 3.9.1 |
GCP |
GCP marketplace |
Microsoft Hyper-V |
Windows Server 2019, and Windows Server 2016 (Version 1607) with Hyper-V Manager (Version 10.0.14393) |
Microsoft Azure |
Microsoft Azure |
The following table lists the supported Cisco Catalyst 9800 Series Wireless Controller hardware models.
The base PIDs are the model numbers of the controller.
The bundled PIDs indicate the orderable part numbers for the base PIDs that are bundled with a particular network module. Running the show version , show module , or show inventory command on such a controller (bundled PID) displays its base PID.
Note that unsupported SFPs will bring down a port. Only Cisco-supported SFPs (GLC-LH-SMD and GLC-SX-MMD) should be used on the route processor (RP) ports of C9800-80-K9 and C9800-40-K9.
Controller Model |
Description |
---|---|
C9800-CL-K9 |
Cisco Catalyst Wireless Controller as an infrastructure for cloud. |
C9800-80-K9 |
Eight 1/10-Gigabit Ethernet SFP or SFP+ ports and two power supply slots. |
C9800-40-K9 |
Four 1/10-Gigabit Ethernet SFP or SFP+ ports and two power supply slots. |
C9800-L-C-K9 |
|
C9800-L-F-K9 |
|
The following table lists the supported SFP models.
SFP Name |
C9800-80-K9 |
C9800-40-K9 |
C9800-L-C-K9 |
C9800-L-F-K9 |
---|---|---|---|---|
COLORCHIP-C040- Q020-CWDM4-03B |
Supported |
— |
— |
— |
DWDM-SFP10G-30.33 |
Supported |
Supported |
— |
— |
DWDM-SFP10G-61.41 |
Supported |
Supported |
— |
— |
FINISAR-LR – FTLX1471D3BCL 1 |
Supported |
Supported |
— |
Supported |
FINISAR-SR – FTLX8574D3BCL |
Supported |
Supported |
— |
Supported |
FINISAR- FTL4C1QL2L |
Supported |
— |
— |
— |
FINISAR- FTL4C1QE1C |
Supported |
— |
— |
— |
GLC-BX-D |
Supported |
Supported |
Supported |
Supported |
GLC-BX-U |
Supported |
Supported |
Supported |
Supported |
GLC-EX-SMD |
Supported |
Supported |
— |
— |
GLC-LH-SMD |
Supported |
Supported |
Supported |
— |
GLC-SX-MMD |
Supported |
Supported |
Supported |
Supported |
GLC-T |
Supported |
— |
Supported |
— |
GLC-TE |
Supported |
Supported |
Supported |
Supported |
GLC-ZX-SMD |
Supported |
Supported |
Supported |
Supported |
QSFP-100G-LR4-S |
Supported |
— |
— |
— |
QSFP-100G-SR4-S |
Supported |
— |
— |
— |
QSFP-40G-BD-RX |
Supported |
— |
— |
— |
QSFP-40G-CSR-S |
Supported |
— |
— |
— |
QSFP-40G-ER4 |
Supported |
— |
— |
— |
QSFP-40G-LR4 |
Supported |
— |
— |
— |
QSFP-40G-LR4-S |
Supported |
— |
— |
— |
QSFP-40G-SR-BD |
Supported |
— |
— |
— |
QSFP-40G-SR4 |
Supported |
— |
— |
— |
QSFP-40G-SR4-S |
Supported |
— |
— |
— |
QSFP-40GE-LR4 |
Supported |
— |
— |
— |
QSFP-H40G-ACU7M |
Supported |
— |
— |
— |
SFP-10G-AOC10M |
Supported |
Supported |
— |
— |
SFP-10G-AOC1M |
Supported |
Supported |
— |
— |
SFP-10G-AOC2M |
Supported |
Supported |
— |
— |
SFP-10G-AOC3M |
Supported |
Supported |
— |
— |
SFP-10G-AOC5M |
Supported |
Supported |
— |
— |
SFP-10G-AOC7M |
Supported |
Supported |
— |
— |
SFP-10G-ER |
Supported |
Supported |
— |
— |
SFP-10G-LR |
Supported |
Supported |
— |
Supported |
SFP-10G-LR-S |
Supported |
Supported |
— |
Supported |
SFP-10G-LR-X |
Supported |
Supported |
— |
Supported |
SFP-10G-LRM |
Supported |
Supported |
— |
Supported |
SFP-10G-SR |
Supported |
Supported |
— |
Supported |
SFP-10G-SR-S |
Supported |
Supported |
— |
Supported |
SFP-10G-SR-X |
Supported |
Supported |
— |
Supported |
SFP-10G-ZR |
Supported |
Supported |
— |
— |
SFP-H10GB- ACU10M |
Supported |
Supported |
— |
Supported |
SFP-H10GB- ACU7M |
Supported |
Supported |
— |
Supported |
SFP-H10GB- CU1.5M |
Supported |
Supported |
— |
Supported |
SFP-H10GB-CU1M |
Supported |
Supported |
— |
Supported |
SFP-H10GB-CU2.5M |
Supported |
Supported |
— |
Supported |
SFP-H10GB-CU2M |
Supported |
Supported |
— |
Supported |
SFP-H10GB-CU3M |
Supported |
Supported |
— |
Supported |
SFP-H10GB-CU5M |
Supported |
Supported |
— |
Supported |
Optics Modules
The Cisco Catalyst 9800 Series Wireless Controller supports a wide range of optics. The list of supported optics is updated on a regular basis. See the tables at the following location for the latest transceiver module compatibility information:
https://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_tables_list.html
Network Protocols and Port Matrix
Source |
Destination |
Protocol |
Destination Port |
Source Port |
Description |
---|---|---|---|---|---|
Any |
Cisco Catalyst 9800 Series Wireless Controller |
TCP |
22 |
Any |
SSH |
Any |
Cisco Catalyst 9800 Series Wireless Controller |
TCP |
23 |
Any |
Telnet |
Any |
Cisco Catalyst 9800 Series Wireless Controller |
TCP |
80 |
Any |
HTTP |
Any |
Cisco Catalyst 9800 Series Wireless Controller |
TCP |
443 |
Any |
HTTPS |
Any |
Cisco Catalyst 9800 Series Wireless Controller |
UDP |
161 |
Any |
SNMP Agent |
Any |
Any |
UDP |
5353 |
5353 |
mDNS |
Any |
Cisco Catalyst 9800 Series Wireless Controller |
UDP |
69 |
69 |
TFTP |
Any |
DNS Server |
UDP |
53 |
Any |
DNS |
Any |
Cisco Catalyst 9800 Series Wireless Controller |
TCP |
830 |
Any |
NetConf |
Any |
Cisco Catalyst 9800 Series Wireless Controller |
TCP |
443 |
Any |
REST API |
Any |
WLC Protocol |
UDP |
1700 |
Any |
Receive CoA packets. |
AP |
Cisco Catalyst 9800 Series Wireless Controller |
UDP |
5246 |
Any |
CAPWAP Control |
AP |
Cisco Catalyst 9800 Series Wireless Controller |
UDP |
5247 |
Any |
CAPWAP Data |
AP |
Cisco Catalyst 9800 Series Wireless Controller |
UDP |
5248 |
Any |
CAPWAP MCAST |
AP |
Cisco Catalyst Center |
TCP |
32626 |
Any |
Intelligent capture and RF telemetry |
AP |
AP |
UDP |
16670 |
Any |
Client Policies (AP-AP) |
Cisco Catalyst 9800 Series Wireless Controller |
Cisco Catalyst 9800 Series Wireless Controller |
UDP |
16666 |
16666 |
Mobility Control |
Cisco Catalyst 9800 Series Wireless Controller |
SNMP |
UDP |
162 |
Any |
SNMP Trap |
Cisco Catalyst 9800 Series Wireless Controller |
RADIUS |
UDP |
1812/1645 |
Any |
RADIUS Auth |
Cisco Catalyst 9800 Series Wireless Controller |
RADIUS |
UDP |
1813/1646 |
Any |
RADIUS ACCT |
Cisco Catalyst 9800 Series Wireless Controller |
TACACS+ |
TCP |
49 |
Any |
TACACS+ |
Cisco Catalyst 9800 Series Wireless Controller |
Cisco Catalyst 9800 Series Wireless Controller |
UDP |
16667 |
16667 |
Mobility |
Cisco Catalyst 9800 Series Wireless Controller |
NTP Server |
UDP |
123 |
Any |
NTP |
Cisco Catalyst 9800 Series Wireless Controller |
Syslog Server |
UDP |
514 |
Any |
SYSLOG |
Cisco Catalyst 9800 Series Wireless Controller |
NetFlow Server |
UDP |
9996 |
Any |
NetFlow |
Cisco Catalyst 9800 Series Wireless Controller |
Cisco Connected Mobile Experiences (CMX) |
UDP |
16113 |
Any |
NMSP |
Cisco Catalyst Center |
Cisco Catalyst 9800 Series Wireless Controller |
TCP |
32222 |
Any |
Device Discovery |
Cisco Catalyst Center |
Cisco Catalyst 9800 Series Wireless Controller |
TCP |
25103 |
Any |
Telemetry Subscriptions |
Important Notes
-
To migrate public IP address from 16.12.x to 17.x. ensure that you configure the service internal command. If you do not configure the service internal command, the IP address does not carry forward.
-
The Cisco Aironet 2800 and 3800 APs do not reset an interface (to clear any Ethernet interface physical layer issues) if the Dynamic Host Configuration Protocol (DHCP) does not resolve the IP address within a certain duration.
Supported APs
The following Cisco APs are supported in this release.
Indoor Access Points
-
Cisco Catalyst 9105AX (I/W) Access Points
-
Cisco Catalyst 9115AX (I/E) Access Points
-
Cisco Catalyst 9117AX (I) Access Points
-
Cisco Catalyst 9120AX (I/E/P) Access Points
-
Cisco Catalyst 9130AX (I/E) Access Points
-
Cisco Catalyst 9136 (I) Access Points
-
Cisco Catalyst 9162 (I) Series Access Points
-
Cisco Catalyst 9164 (I) Series Access Points
-
Cisco Catalyst 9166 (I) Series Access Points
-
Cisco Aironet 1815 (I/W), 1830 (I), 1840 (I), and 1850 (I/E) Access Points
-
Cisco Aironet 2800 (I/E) Series Access Points
-
Cisco Aironet 3800 (I/E/P) Series Access Points
-
Cisco Aironet 4800 Series Access Points
Outdoor Access Points
-
Cisco Aironet 1540 Series Access Points
-
Cisco Aironet 1560 Series Access Points
-
Cisco Catalyst Industrial Wireless 6300 Heavy Duty Series Access Point
-
Cisco 6300 Series Embedded Services Access Point
-
Cisco Catalyst 9124AX (I/D/E) Access Points
-
Cisco Catalyst Industrial Wireless 9167 (E) Heavy Duty Access Point
Integrated Access Points
-
Integrated Access Point on Cisco 1100 ISR (ISR-AP1100AC-x, ISR-AP1101AC-x, and ISR-AP1101AX-x)
Network Sensor
-
Cisco Aironet 1800s Active Sensor
Pluggable Modules
-
Wi-Fi 6 Pluggable Module for Industrial Routers
Supported Access Point Channels and Maximum Power Settings
Supported access point channels and maximum power settings on Cisco APs are compliant with the regulatory specifications of channels, maximum power levels, and antenna gains of every country in which the access points are sold. For more information about the supported access point transmission values in Cisco IOS XE software releases, see the Detailed Channels and Maximum Power Settings document at https://www.cisco.com/c/en/us/support/ios-nx-os-software/ios-xe-17/products-technical-reference-list.html.
For information about Cisco Wireless software releases that support specific Cisco AP modules, see the "Software Release Support for Specific Access Point Modules" section in the Cisco Wireless Solutions Software Compatibility Matrix document.
Compatibility Matrix
The following table provides software compatibility information. For more information, see Cisco Wireless Solutions Software Compatibility Matrix
Cisco Catalyst 9800 Series Wireless Controller Software |
Cisco Identity Services Engine |
Cisco Prime Infrastructure |
Cisco AireOS-IRCM Interoperability |
Cisco Catalyst Center |
Cisco CMX |
---|---|---|---|---|---|
Dublin 17.10.1 |
3.0 2.7 2.6 2.4 |
3.10.2 |
8.10.181.0 8.10.171.0 8.10.162.0 8.10.151.0 8.10.142.0 8.10.130.0 8.8.130.0 8.5.176.2 8.5.182.104 |
11.0 10.6.3 |
GUI System Requirements
The following subsections list the hardware and software required to access the Cisco Catalyst 9800 Controller GUI.
Processor Speed |
DRAM |
Number of Colors |
Resolution |
Font Size |
---|---|---|---|---|
233 MHz minimum2 |
512 MB3 |
256 |
1280 x 800 or higher |
Small |
Software Requirements
Operating Systems:
-
Windows 7 or later
-
Mac OS X 10.11 or later
Browsers:
-
Google Chrome: Version 59 or later (on Windows and Mac)
-
Microsoft Edge: Version 40 or later (on Windows)
-
Safari: Version 10 or later (on Mac)
-
Mozilla Firefox: Version 60 or later (on Windows and Mac)
Note |
Firefox Version 63.x is not supported. |
The controller GUI uses Virtual Terminal (VTY) lines for processing HTTP requests. At times, when multiple connections are open, the default number of VTY lines of 15 set by the device might get exhausted. Therefore, we recommend that you increase the number of VTY lines to 50.
To increase the VTY lines in a device, run the following commands in the following order:
-
device# configure terminal
-
device(config)# line vty 50
A best practice is to configure the service tcp-keepalives to monitor the TCP connection to the device.
-
device(config)# service tcp-keepalives-in
-
device(config)# service tcp-keepalives-out
Before You Upgrade
Ensure that you familiarize yourself with the following points before proceeding with the upgrade:
-
When you upgrade from Cisco IOS XE Dublin 17.12.3 to 17.12.4 or Cisco IOS XE 17.15.1, the Cisco Catalyst Wi-Fi 6 APs fail to upgrade the AP image.
Workaround:
-
Reboot the impacted APs through the power cycle.
-
Caution |
During controller upgrade or reboot, if route processor ports are connected to any Cisco switch, ensure that the route processor ports are not flapped (shut/no shut process). Otherwise, it may lead to a kernel crash. |
Note |
|
Cisco Wave 2 APs may get into a boot loop when upgrading software over a WAN link. For more information, see: https://www.cisco.com/c/en/us/support/docs/wireless/catalyst-9800-series-wireless-controllers/220443-how-to-avoid-boot-loop-due-to-corrupted.html.
The following Wave 1 APs are not supported from 17.4 to 17.9.2, 17.10.x, 17.11.x, 17.13.x, 17.14.x, and 17.15.x:
-
Cisco Aironet 1570 Series Access Point
-
Cisco Aironet 1700 Series Access Point
-
Cisco Aironet 2700 Series Access Point
-
Cisco Aironet 3700 Series Access Point
Note |
|
-
From Cisco IOS XE Dublin 17.10.x, Key Exchange and MAC algorithms like diffie-hellman-group14-sha1, hmac-sha1, hmac-sha2-256, and hmac-sha2-512 are not supported by default and it may impact some SSH clients that only support these algorithms. If required, you can add them manually. For information on manually adding these algorithms, see the SSH Algorithms for Common Criteria Certification document available at: https://www.cisco.com/c/en/us/td/docs/routers/ios/config/17-x/sec-vpn/b-security-vpn/m_sec-secure-shell-algorithm-ccc.html
-
If APs fail to detect the backup image after running the archive download-sw command, perform the following steps:
-
Upload the image using the no-reload option of the archive download-sw command:
Device# archive download-sw /no-reload tftp://<tftp_server_ip>/<image_name>
-
Restart the CAPWAP process using capwap ap restart command. This allows the AP to use the correct backup image after the restart (reload is not required.)
Device# capwap ap restart
Caution
The AP will lose connection to the controller during the join process. When the AP joins the new controller, it will see a new image in the backup partition. So, the AP will not download a new image from the controller.
-
-
If the Cisco-IOS-XE-wireless-access-point-oper shows country operator as ZZ, the information is specific for countries supporting multiple regulatory domains. These records should only be accessed and referred to by such countries. For country-specific information, refer to the respective record using the country code.
-
The following Remote Procedure Calls (RPCs) should be used for Cisco Catalyst 9800 Series Wireless Controller and Cisco Embedded Wireless Controller:
-
Cisco Catalyst 9800 Series Wireless Controller: Use ewlc-wncd-stats within Cisco-IOS-XE-wireless-ap-global-oper.
-
Cisco Embedded Wireless Controller: Use ewlc-wncd-stats within Cisco-IOS-XE-wireless-access-point-oper.
-
-
You might observe a high Confd CPU when full synchronization occurs between NETCONF datastore and Cisco IOS configuration. This behavior is normal and is triggered by the line vty command.
-
From Cisco IOS XE Cupertino 17.7.1 onwards, for Cisco Catalyst 9800-CL Wireless Controller, ensure that you complete Resource Utilization Measurement (RUM) reporting and ensure that the ACK is made available on the product instance at least once. This is to ensure that correct and up-to-date usage information is reflected in the Cisco Smart Software Manager (CSSM).
-
Fragmentation lower than 1500 is not supported for the RADIUS packets generated by wireless clients in the Gi0 (OOB) interface.
-
Cisco IOS XE allows you to encrypt all the passwords used on the device. This includes user passwords and SSID passwords (PSK). For more information, see the "Password Encryption" section of the Cisco Catalyst 9800 Series Configuration Best Practices document.
-
While upgrading to Cisco IOS XE 17.3.x and later releases, if the ip http active-session-modules none command is enabled, you will not be able to access the controller GUI using HTTPS. To access the GUI using HTTPS, run the following commands in the order specified below:
-
ip http session-module-list pkilist OPENRESTY_PKI
-
ip http active-session-modules pkilist
-
-
Cisco Aironet 1815T OfficeExtend Access Point will be in local mode when connected to the controller. However, when it functions as a standalone AP, it gets converted to FlexConnect mode.
-
The Cisco Catalyst 9800-L Wireless Controller may fail to respond to the BREAK signals received on its console port during boot time, preventing users from getting to the ROMMON. This problem is observed on the controllers manufactured until November 2019, with the default config-register setting of 0x2102. This problem can be avoided if you set config-register to 0x2002. This problem is fixed in the 16.12(3r) ROMMON for Cisco Catalyst 9800-L Wireless Controller. For information about how to upgrade the ROMMON, see the Upgrading ROMMON for Cisco Catalyst 9800-L Wireless Controllers section of the Upgrading Field Programmable Hardware Devices for Cisco Catalyst 9800 Series Wireless Controllers document.
-
By default, the controller uses a TFTP block size value of 512, which is the lowest possible value. This default setting is used to ensure interoperability with legacy TFTP servers. If required, you can change the block size value to 8192 to speed up the transfer process, using the ip tftp blocksize command in global configuration mode.
-
We recommend that you configure the password encryption aes and the key config-key password-encrypt key commands to encrypt your password.
-
If the following error message is displayed after a reboot or system crash, we recommend that you regenerate the trustpoint certificate:
ERR_SSL_VERSION_OR_CIPHER_MISMATCH
Use the following commands in the order specified below to generate a new self-signed trustpoint certificate:
-
device# configure terminal
-
device(config)# no crypto pki trustpoint trustpoint_name
-
device(config)# no ip http server
-
device(config)# no ip http secure-server
-
device(config)# ip http server
-
device(config)# ip http secure-server
-
device(config)# ip http authentication local/aaa
-
-
Do not deploy OVA files directly to VMware ESXi 6.5. We recommend that you use an OVF tool to deploy the OVA files.
-
Ensure that you remove the controller from Cisco Prime Infrastructure before disabling or enabling Netconf-YANG. Otherwise, the system may reload unexpectedly.
-
Unidirectional Link Detection (UDLD) protocol is not supported.
-
SIP media session snooping is not supported on FlexConnect local switching deployments.
-
The Cisco Catalyst 9800 Series Wireless Controllers (C9800-CL, C9800-L, C9800-40, and C9800-80) support a maximum of 14,000 leases with internal DHCP scope.
-
Configuring the mobility MAC address using the wireless mobility mac-address command is mandatory for both HA and 802.11r.
-
If you have Cisco Catalyst 9120 (E/I/P) and Cisco Catalyst 9130 (E) APs in your network and you want to downgrade, use only Cisco IOS XE Gibraltar 16.12.1t. Do not downgrade to Cisco IOS XE Gibraltar 16.12.1s.
-
The following SNMP variables are not supported:
-
CISCO-LWAPP-WLAN-MIB: cLWlanMdnsMode
-
CISCO-LWAPP-AP-MIB.my: cLApDot11IfRptncPresent, cLApDot11IfDartPresent
-
-
If you are upgrading from Cisco IOS XE Gibraltar 16.11.x or an earlier release, ensure that you unconfigure the advipservices boot-level licenses on both the active and standby controllers using the no license boot level advipservices command before the upgrade. Note that the license boot level advipservices command is not available in Cisco IOS XE Gibraltar 16.12.1s and 16.12.2s.
-
The Cisco Catalyst 9800 Series Wireless Controller has a service port that is referred to as GigabitEthernet 0 port.
The following protocols and features are supported through this port:
-
Cisco Catalyst Center
-
Cisco Smart Software Manager
-
Cisco Prime Infrastructure
-
Telnet
-
Controller GUI
-
DNS
-
File transfer
-
GNMI
-
HTTP
-
HTTPS
-
LDAP
-
Licensing for Smart Licensing feature to communicate with CSSM
-
Netconf
-
NetFlow
-
NTP
-
RADIUS (including CoA)
-
Restconf
-
SNMP
-
SSH
-
SYSLOG
-
TACACS+
-
-
During device upgrade using GUI, if a switchover occurs, the session expires and the upgrade process gets terminated. As a result, the GUI cannot display the upgrade state or status.
-
From Cisco IOS XE Bengaluru 17.4.1 onwards, the telemetry solution provides a name for the receiver address instead of the IP address for telemetry data. This is an additional option. During the controller downgrade and subsequent upgrade, there is likely to be an issue—the upgrade version uses the newly named receivers, and these are not recognized in the downgrade. The new configuration gets rejected and fails in the subsequent upgrade. Configuration loss can be avoided when the upgrade or downgrade is performed from Cisco Catalyst Center.
-
From Cisco IOS XE Bengaluru 17.4.1 onwards, session timeout under the policy profile is supported.
-
Communication between Cisco Catalyst 9800 Series Wireless Controller and Cisco Prime Infrastructure uses different ports:
-
All the configurations and templates available in Cisco Prime Infrastructure are pushed through SNMP and CLI, using UDP port 161.
-
Operational data for controller is obtained over SNMP, using UDP port 162.
-
AP and client operational data leverage streaming telemetry:
-
Cisco Prime Infrastructure to controller: TCP port 830 is used by Cisco Prime Infrastructure to push the telemetry configuration to the controller (using NETCONF).
-
Controller to Cisco Prime Infrastructure: TCP port 20828 is used for Cisco IOS XE 16.10.x and 16.11.x, and TCP port 20830 is used for Cisco IOS XE 16.12.x, 17.1.x and later releases.
-
-
-
The Cisco Centralized Key Management (CCKM) feature is deprecated from Cisco IOS XE Dublin 17.10.x.
-
To migrate public IP address from 16.12.x to 17.x. ensure that you configure the service internal command. If you do not configure the service internal command, the IP address does not get carried forward.
-
RLAN support with Virtual Routing and Forwarding (VRF) is not available.
-
When you encounter the SNMP error SNMP_ERRORSTATUS_NOACCESS 6, it means that the specified SNMP variable is not accessible.
-
We recommend that you perform a controller reload whenever there is a change in the controller's clock time to reflect an earlier time.
Note |
The DTLS version (DTLSv1.0) is deprecated for Cisco Aironet 1800 based on latest security policies. Therefore, any new out-of-box deployments of Cisco Aironet 1800 APs will fail to join the controller and you will get the following error message:
To onboard new Cisco Aironet 1800 APs and to establish a CAPWAP connection, explicitly set the DTLS version to 1.0 in the controller using the following configuration:
Note that setting the DTLS version to 1.0 affects all the existing AP CAPWAP connections. We recommend that you apply the configuration only during a maintenance window. After the APs download the new image and join the controller, ensure that you remove the configuration. |
To upgrade the field programmable hardware devices for Cisco Catalyst 9800 Series Wireless Controllers, see Upgrading Field Programmable Hardware Devices for Cisco Catalyst 9800 Series Wireless Controllers.
Important |
Before you begin a downgrade process, you must manually remove the configurations which are applicable in the current version but not in older version. Otherwise, you might encounter an unexpected behavior. |
-
When you downgrade an AP from a higher version to Cisco IOS XE Amsterdam 17.3.x, the AP will not be accessible through SSH or the console due to the denial of the enable password, when the AP has not yet joined a controller. If the AP joins a controller, then the AP becomes accessible without any password denial.
Upgrade Path to Cisco IOS XE Dublin 17.10.x
Current Software |
Upgrade Path for Deployments with 9130 or 9124 |
Upgrade Path for Deployments Without 9130 or 9124 |
---|---|---|
16.10.x |
—4 |
Upgrade first to 16.12.5 or 17.3.x and then to 17.10.x. |
16.11.x |
— |
Upgrade first to 16.12.5 or 17.3.x and then to 17.10.x. |
16.12.x |
Upgrade first to 17.3.5 or later or 17.6.x or later, and then to 17.10.x. | Upgrade first to 17.3.5 or later or 17.6.x or later, and then to 17.10.x. |
17.1.x |
Upgrade first to 17.3.5 or later and then to 17.10.x. | Upgrade first to 17.3.5 or later and then to 17.10.x. |
17.2.x |
Upgrade first to 17.3.5 or later and then to 17.10.x. | Upgrade first to 17.3.5 or later and then to 17.10.x. |
17.3.1 to 17.3.4 |
Upgrade first to 17.3.5 or later or 17.6.x or later, and then to 17.10.x. |
Upgrade directly to 17.10.x. |
17.3.4c or later |
Upgrade directly to 17.10.x. |
Upgrade directly to 17.10.x. |
17.4.x |
Upgrade first to 17.6.x and then to 17.10.x. |
Upgrade directly to 17.10.x. |
17.5.x |
Upgrade first to 17.6.x and then to 17.10.x. |
Upgrade directly to 17.10.x. |
17.6.x |
Upgrade directly to 17.10.x. |
Upgrade directly to 17.10.x. |
17.7.x |
Upgrade directly to 17.10.x. |
Upgrade directly to 17.10.x. |
17.8.x |
Upgrade directly to 17.10.x. |
Upgrade directly to 17.10.x. |
17.9.x |
Upgrade directly to 17.10.x |
Upgrade directly to 17.10.x |
8.9.x or any 8.10.x version prior to 8.10.171.0 |
Upgrade first to 17.3.5 or later or 17.6.x or later, and then to 17.10.x. |
Upgrade directly to 17.10.x. |
Upgrading the Controller Software
This section describes the various aspects of upgrading the controller software.
For information on the upgrade process and the methods to upgrade the Cisco Catalyst 9800 Series Wireless Controller software, see the "Upgrading the Cisco Catalyst 9800 Wireless Controller Software" chapter of the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide.
Finding the Software Version
The package files for the Cisco IOS XE software are stored in the system board flash device (flash:).
Use the show version privileged EXEC command to see the software version that is running on your controller.
Note |
Although the show version output always shows the software image running on the controller, the model name shown at the end of the output is the factory configuration, and does not change if you upgrade the software license. |
Use the show install summary privileged EXEC command to see the information about the active package.
Use the dir filesystem: privileged EXEC command to see the directory names of other software images that you have stored in flash memory.
Software Images
-
Release: Cisco IOS XE Dublin 17.10.x
-
Image Names (9800-80, 9800-40, and 9800-L):
-
C9800-80-universalk9_wlc.17.10.x.SPA.bin
-
C9800-40-universalk9_wlc.17.10.x.SPA.bin
-
C9800-L-universalk9_wlc.17.10.x.SPA.bin
-
-
Image Names (9800-CL):
-
Cloud: C9800-CL-universalk9.17.10.x.SPA.bin
-
Hyper-V/ESXi/KVM: C9800-CL-universalk9.17.10.x.iso, C9800-CL-universalk9.17.10.x.ova
-
KVM: C9800-CL-universalk9.17.10.x.qcow2
-
NFVIS: C9800-CL-universalk9.17.10.x.tar.gz
-
Software Installation Commands
Cisco IOS XE Dublin 17.10.x |
|||
---|---|---|---|
To install and activate a specified file, and to commit changes to be persistent across reloads, run the following command: device# install add file filename [activate |commit] To separately install, activate, commit, end, or remove the installation file, run the following command: device# install ?
|
|||
add file tftp: filename |
Copies the install file package from a remote location to a device, and performs a compatibility check for the platform and image versions. |
||
activateauto-abort-timer] |
Activates the file and reloads the device. The auto-abort-timer keyword automatically rolls back image activation. |
||
commit |
Makes changes that are persistent over reloads. |
||
rollback to committed |
Rolls back the update to the last committed version. |
||
abort |
Cancels file activation, and rolls back to the version that was running before the current installation procedure started. |
||
remove |
Deletes all unused and inactive software installation files. |
Licensing
The Smart Licensing Using Policy feature is automatically enabled on the controller. This is also the case when you upgrade to this release. By default, your Smart Account and Virtual Account in Cisco Smart Software Manager (CSSM) are enabled for Smart Licensing Using Policy. For more information, see the "Smart Licensing Using Policy" chapter in the Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide.
For a more detailed overview on Cisco Licensing, see cisco.com/go/licensingguide.
Interoperability with Clients
This section describes the interoperability of the controller software with client devices.
The following table lists the configurations used for testing client devices.
Hardware or Software Parameter |
Hardware or Software Type |
---|---|
Release |
Cisco IOS XE Dublin 17.10.x |
Cisco Wireless Controller |
See Supported Hardware. |
Access Points |
See Supported APs |
Radio |
|
Security |
Open, PSK (WPA2-AES), 802.1X (WPA2-AES) (EAP-FAST, EAP-TLS) WPA3 AKM 802.11ax |
RADIUS |
See Compatibility Matrix. |
Types of tests |
Connectivity, traffic (ICMP), and roaming between two APs |
The following table lists the client types on which the tests were conducted. Client types included laptops, hand-held devices, phones, and printers.
Client Type and Name |
Driver or Software Version |
||
---|---|---|---|
Laptops |
|||
Acer Aspire E 15 E5-573-3870 (Qualcomm Atheros QCA9377) | Windows 10 Pro (12.0.0.832) | ||
Apple Macbook Air 11 inch | OS Sierra 10.12.6 | ||
Apple Macbook Air 13 inch | OS High Sierra 10.13.4 | ||
Macbook Pro Retina | OS Catalina | ||
Macbook Pro Retina 13 inch early 2015 | OS Mojave 10.14.3 | ||
Macbook Pro OS X | OS X 10.8.5 | ||
Macbook Air | OS Sierra v10.12.2 | ||
Macbook Air 11 inch | OS X Yosemite 10.10.5 | ||
MacBook M1 Chip | OS Catalina | ||
Dell Inspiron 2020 Chromebook |
Chrome OS 75.0.3770.129 |
||
Google Pixelbook Go |
Chrome OS 97.0.4692.27 |
||
HP chromebook 11a |
Chrome OS 76.0.3809.136 |
||
Samsung Chromebook 4+ |
Chrome OS 77.0.3865.105 |
||
Dell Latitude (Intel AX210) | Windows 11 (22.110.x.x) | ||
Dell Latitude 3480 (Qualcomm DELL wireless 1820) | Win 10 Pro (12.0.0.242) | ||
Dell Inspiron 15-7569 (Intel Dual Band Wireless-AC 3165) | Windows 10 Home (21.40.0) | ||
Dell Latitude E5540 (Intel Dual Band Wireless AC7260) | Windows 7 Professional (21.10.1) | ||
Dell Latitude E5430 (Intel Centrino Advanced-N 6205) | Windows 7 Professional (15.18.0.1) | ||
Dell Latitude E6840 (Broadcom Dell Wireless 1540 802.11 a/g/n) | Windows 7 Professional (6.30.223.215) | ||
Dell XPS 12 v9250 (Intel Dual Band Wireless AC 8260 ) | Windows 10 Home (21.40.0) | ||
Dell Latitude 5491 (Intel AX200) | Windows 10 Pro (21.20.1.1) | ||
Dell XPS Latitude12 9250 (Intel Dual Band Wireless AC 8260) | Windows 10 Home | ||
Dell Inspiron 13-5368 Signature Edition | Windows 10 Home (18.40.0.12) | ||
FUJITSU Lifebook E556 Intel 8260 (Intel Dual Band Wireless-AC 8260 (802.11n)) | Windows 8 (19.50.1.6) | ||
Lenovo Yoga C630 Snapdragon 850 (Qualcomm AC 2x2 Svc) |
Windows 10 Home | ||
Lenovo Thinkpad Yoga 460 (Intel Dual Band Wireless-AC 9260) | Windows 10 Pro (21.40.0) | ||
|
|||
Tablets |
|||
Apple iPad 2021 | iOS 15.0 | ||
Apple iPad 7the Gen 2019 | iOS 14.0 | ||
Apple iPad MD328LL/A | iOS 9.3.5 | ||
Apple iPad 2 MC979LL/A | iOS 11.4.1 | ||
Apple iPad Air MD785LL/A | iOS 11.4.1 | ||
Apple iPad Air2 MGLW2LL/A | iOS 10.2.1 | ||
Apple iPad Mini 4 9.0.1 MK872LL/A | iOS 11.4.1 | ||
Apple iPad Mini 2 ME279LL/A | iOS 11.4.1 | ||
Apple iPad Mini 4 9.0.1 MK872LL/A | iOS 11.4.1 | ||
Microsoft Surface Pro 3 13 inch (Intel AX201) | Windows 10 (21.40.1.3) | ||
Microsoft Surface Pro 3 15 inch (Qualcomm Atheros QCA61x4A) | Windows 10 | ||
Microsoft Surface Pro 7 (Intel AX201) | Windows 10 | ||
Microsoft Surface Pro 6 (Marvell Wi-Fi chipset 11ac) | Windows 10 | ||
Microsoft Surface Pro X (WCN3998 Wi-Fi Chip) | Windows | ||
Mobile Phones |
|||
Apple iPhone 5 | iOS 12.4.1 | ||
Apple iPhone 6s | iOS 13.5 | ||
Apple iPhone 7 MN8J2LL/A | iOS 11.2.5 | ||
Apple iPhone 8 | iOS 13.5 | ||
Apple iPhone 8 Plus | iOS 14.1 | ||
Apple iPhone 8 Plus MQ8D2LL/A | iOS 12.4.1 | ||
Apple iPhone X MQA52LL/A | iOS 13.1 | ||
Apple iPhone 11 | iOS 15.1 | ||
Apple iPhone 12 | iOS 15.1 | ||
Apple iPhone 12 Pro | iOS 15.1 | ||
Apple iPhone 13 | iOS 15.1 | ||
Apple iPhone 13 Mini | iOS 15.1 | ||
Apple iPhone 13 Pro | iOS 15.1 | ||
Apple iPhone SE MLY12LL/A | iOS 11.3 | ||
Apple iPhone SE | iOS 15.1 | ||
ASCOM i63 | Build v 3.0.0 | ||
ASCOM Myco 3 | Android 9 | ||
Cisco IP Phone 8821 |
11.0.6 SR1 |
||
Drager Delta | VG9.0.2 | ||
Drager M300.3 | VG2.4 | ||
Drager M300.4 | VG2.4 | ||
Drager M540 | DG6.0.2 (1.2.6) | ||
Google Pixel 3a |
Android 11 |
||
Google Pixel 4 |
Android 11 |
||
Google Pixel 5 |
Android 11 |
||
Google Pixel 6 |
Android 11 |
||
Huawei Mate 20 pro | Android 9.0 | ||
Huawei P20 Pro |
Android 10 |
||
Huawei P40 |
Android 10 |
||
LG v40 ThinQ | Android 9.0 | ||
One Plus 8 |
Android 11 |
||
Oppo Find X2 |
Android 10 |
||
Redmi K20 Pro |
Android 10 |
||
Samsung Galaxy S9+ - G965U1 |
Android 10.0 |
||
Samsung Galaxy S10 Plus |
Android 11.0 |
||
Samsung S10 (SM-G973U1) |
Android 11.0 |
||
Samsung S10e (SM-G970U1) |
Android 11.0 |
||
Samsung S20 Ultra |
Android 10.0 |
||
Samsung S21 Ultra 5G |
Android 11.0 | ||
Samsung Fold 2 |
Android 10.0 | ||
Samsung Note20 |
Android 10.0 |
||
Samsung G Note 10 Plus |
Android 11.0 |
||
Samsung Galaxy A01 |
Android 11.0 |
||
Samsung Galaxy A21 |
Android 10.0 |
||
Sony Experia 1 ii |
Android 11 |
||
Sony Experia |
Android 11 |
||
Xiaomi Mi 9T |
Android 9 |
||
Xiaomi Mi 10 |
Android 11 |
||
Spectralink 84 Series | 7.5.0.x257 | ||
Spectralink 87 Series | Android 5.1.1 | ||
Spectralink Versity Phones 92/95/96 Series | Android 10.0 | ||
Vocera Badges B3000n | 4.3.3.18 | ||
Vocera Smart Badges V5000 | 5.0.6.35 | ||
Zebra MC40 | Android 4.4.4 | ||
Zebra MC40N0 | Android 4.1.1 | ||
Zebra MC92N0 | Android 4.4.4 | ||
Zebra MC9090 | Windows Mobile 6.1 | ||
Zebra MC55A | Windows 6.5 | ||
Zebra MC75A | OEM ver 02.37.0001 | ||
Zebra TC51 | Android 6.0.1 | ||
Zebra TC52 | Android 10.0 | ||
Zebra TC55 | Android 8.1.0 | ||
Zebra TC57 | Android 10.0 | ||
Zebra TC70 | Android 6.1 | ||
Zebra TC75 | Android 10.0 | ||
Zebra TC8000 | Android 4.4.3 | ||
Printers | |||
Zebra QLn320 Mobile Printer | LINK OS 5.2 | ||
Zebra ZT230 IndustrialPrinter | LINK OS 6.4 | ||
Zebra ZQ310 Mobile Printer | LINK OS 6.4 | ||
Zebra ZD410 Industrial Printer | LINK OS 6.4 | ||
Zebra ZT410 Desktop Printer | LINK OS 6.4 | ||
Zebra ZQ610 Industrial Printer | LINK OS 6.4 | ||
Zebra ZQ620 Mobile Printer | LINK OS 6.4 | ||
Wireless Module |
|||
Intel 11ax 200 |
Driver v22.20.0 | ||
Intel AC 9260 |
Driver v21.40.0 | ||
Intel Dual Band Wireless AC 8260 |
Driver v19.50.1.6 |
||
Intel AX 210 |
Driver v22.110.x.x (or above) |
||
Samsung S21 Ultra |
Driver v20.80.80 |
||
QCA WCN6855 |
Driver v1.0.0.901 |
||
PhoenixContact FL WLAN 2010 |
Firmware version: 2.71 |
Issues
Issues describe unexpected behavior in Cisco IOS releases in a product. Issues that are listed as Open in a prior release are carried forward to the next release as either Open or Resolved.
Note |
All incremental releases contain fixes from the current release. |
Cisco Bug Search Tool
The Cisco Bug Search Tool (BST) allows partners and customers to search for software bugs based on product, release, and keyword, and aggregates key data such as bug details, product, and version. The BST is designed to improve the effectiveness in network risk management and device troubleshooting. The tool has a provision to filter bugs based on credentials to provide external and internal bug views for the search input.
To view the details of an issue, click the corresponding identifier.
Open Caveats for Cisco IOS XE Dublin 17.10.1
Caveat ID |
Description |
---|---|
Cisco AireOS 1810W AP: RLAN DHCP issues are observed. |
|
High channel utilization is observed on 5GHz radio with 40MHz. |
|
Cisco AireOS 1852 AP: Radio firmware crash is observed. |
|
A controller in HA is not sending gratuitous ARPs (GARPs) after it rejojns HA pair from standalone due to no RP or uplink. |
|
Allow more than eight IPv6 addresses, per wireless client. |
|
Controller crash is observed (on libewlc_client_dpath_svc.so). |
|
Re-association request processing is delayed between the driver and wcp. |
|
Rogue rule delete classification configuration is not working. |
|
Cisco Catalyst 9300 Series Switch is not flushing remote MAC address after roaming to a local AP. |
|
Cisco AireOS 1815I AP is rebooting (PC is at edma_poll / LR is at dma_cache_maint_page). |
|
APs associated with the controller are showing interface "Half duplex". |
|
Memory leak is observed (in wncd process) when under load. |
|
Cisco Catalyst 9124AXI AP: RSSI is 7-8dbm weaker at a distance compared to other AP models. |
|
802.11r reauthentication failed due to 'Invalid PMKID' while doing inter-WNCD roaming. |
|
AP join issues are observed due to stale client entries. |
|
Cisco Catalyst 9130 AP: Beacon is showing incorrect datarates - different rates for same slot on different BSSIDs. |
|
Inject path crash on controller switch on IPv6 QoS. |
|
CAPWAP wireless traffic is getting the same Security Group Tag (SGT) tag as the corresponding incoming wired traffic. |
|
Cisco Catalyst 9120 AP: CleanAir sensor is crashing. |
|
Controller fails to update AP config with error "% Error: no ap_name exists". |
|
Wireless client is not receiving IPv6 RA from wired - FlexConnect Local DHCP. |
|
N+1 HA for FlexConnect is not working as expected. |
|
Cisco Catalyst 9120 AP: Kernel panic crash is observed. |
|
Cisco AireOS 2700 AP: AP_LAN_CONFIG payload is having invalid RLAN port enable value. |
|
AP is dropping Extensible Authentication Protocol over LAN (EAPOL) message 4 during 4-way handshake. |
|
Kernel panic crash with PC (at cpuidle_not_available). |
|
Clients are getting deauthenticated imediately after getting IP address in LWA + Local Switching + Central Authentication scenario. |
|
Redundancy fails due to double bit error correction code (ECC). |
|
Cisco Catalyst 9120 AP: Kernel panic crash is observed. |
|
Cisco Catalyst 9130 AP doesn't respond to reassociation request during client roaming. |
|
Cisco Catalyst 9117 AP reloads unexpectedly with PC (at dst_release+0x18/0x90). |
|
Cisco Catalyst 9117 AP reloads unexpectedly due to kernel panic (at dp_rx_wbm_err_process). |
|
AP reloads due to kernel panic. |
|
Cisco Catalyst 9120 AP is not forwarding EAP packet downstream to client. |
|
Cisco Catalyst 9130AXE AP: Dart connectors are stuck at channel 36. |
|
Cisco AireOS 3800 and 4800 APs are not sending Internet Group Management Protocol (IGMP) membership report. |
|
FlexConnect AP performs Extensible Authentication Protocol (EAP) identity request after completing 4-way handshake. |
|
AP is sending ARP broadcast to wireless clients when P2P blocking action is enabled. |
|
Cisco Catalyst 9105AXI AP is requesting 30 watts of power, instead of 15.4 watts. |
|
Controller shows AP as having no neighbors. This issue is caused when power level is set to maximum. |
|
IP theft is observed due to client stale entry in Object Document Mapping (ODM) database. |
|
EAP-TLS is failing for the wired clients behind MAP for the 2800/3800/4800/1562/6300 series APs. |
|
Capability annotation is missing for some xpaths in yaml files. |
|
Controller is failing to update Dynamic Channel Assignment (DCA) channels. |
|
Cisco AireOS 3800 AP is consistently reporting high QoS Basic Set Service (QBSS) load. |
|
AP doesnt not save syslog message before crash. |
|
AIRESPACE-WIRELESS-MIB: bsnAPIfType OID documentation is incomplete. |
|
Cisco Catalyst 9120 AP: Numerous power supply module (PSM) watchdog crashes are observed. |
|
Wired clients behind a workgroup bridge (WGB) are not getting IP address in anchor WLAN. |
|
Cisco Catalyst 9800-CL controller Self-signed Certificate (SSC) configuration command fails. |
|
Cisco Catalyst 9136 AP does not receive the 6e SSID |
Resolved Caveats for Cisco IOS XE Dublin 17.10.1
Caveat ID |
Description |
---|---|
SNMP MIB is not fetching all that data or no data at all for SNMP walk with high client count. |
|
Standby controller crashes when it is configured in RMI+RP HA mode with wired guest feature. |
|
Disable ip proxy-arp by default. |
|
Controller is not updating RFID location properly. |
|
Apple and Android fast transition capable client is unable to authenticate with Identity Preshared Key (iPSK) profile. |
|
Unable to map SSID with spaces in it on an attribute list. |
|
Controller is discarding location updates from RFID tags. |
|
Add show process cpu platform sorted command is needed in show tech wireless command group. |
|
Controller initiates Extensible Authentication Protocol over LAN (EAPOL) retries for the client in RUN state. |
|
Radio Resource Management (RRM) core generated @ group_dpc_compute_6GHz. |
|
AAA VLAN override is not working in iPSK authentication + anchor WLAN configuration. |
|
Open Virtualization Format (OVF) template allows to change serial number to any value. |
|
Cisco Catalyst 9800-CL Controller: WNCd crash is observed during switch integrated security features (SISF) routines. |
|
Stale client entries are not deleted and is stuck on device-tracking database. |
|
CoS AP is using native VLAN instead of VLAN used in the policy profile. |
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Secondary controller crashes during redundancy switchover. |
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Wireless AAA dynamic VLAN assignment: Wireless clients cannot reach each other. |
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Web UI is taking long time to show initial page. |
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Continuous wncmgrd CPU HOG traceback is observed with scale Flexible NetFlow (FNF) mapping to policy profile. |
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Multicast data is not sent to clients; some APs are unable to join. |
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Few Object identifiers (OIDs) under CISCO-ENHANCED-MEMPOOL-MIB shows no instance after switchover. |
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Client traffic fails when client roams between APs with dot11r to dot11i transition. |
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Controller HA split brain due to multiple secondary addresses on the interface. |
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Controller is not sending Logical Link Control (LLC) or eXchange IDentifier (XID) spoofed frames after a mobility event. |
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WNCD crash on co_fetch_mbssid_from_rbssid. |
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Zebra RF guns gets deleted from controller randomly due to reason: CO_CLIENT_DELETE_REASON_ZONE_CHANGE. |
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cEdge device pushes wrong config syntax (config wlan broadcase-ssid disable 2). |
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Invalid TDL pointers caused WNCd crash. |
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MAC filtering: WLAN profile column displays the WLAN name + description. |
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Syslog needs to be enhanced. |
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Client fails to connect when protocol based QoS is configured. |
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Stale entry is observed in the show wireless device tracking database ip command output after client deletion. |
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Wireless Network Control Daemon (WNCd) crash is observed. |
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Layer2 VXLAN network identifier (VNID) number in CLI and GUI are different. |
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Restore configuration by HTTP mode does not work on Cisco Embedded Wireless Controller. |
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Cisco Catalyst 9800-80 controller crashes with the reason: Critical process wncd fault on rp_0_3 (rc=134). |
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APs are operating on disabled RF profile channels. |
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Packets destined for Layer 2 socket application gets delivered to Layer 3 socket application. |
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SISF crash is observed when handling DHCP messages. |
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WNCd is going high upto 99% on tbl(WNCD_DB/tbl_client_wsa_info). |
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When Wi-Fi Protected Access (WPA) 3 and Opportunistic Wireless Encryption (OWE) transition are enabled, non-WPA3 clients are getting network access in webauth-pending state. |
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Active chassis get stuck during SSO failover. |
Troubleshooting
For the most up-to-date, detailed troubleshooting information, see Troubleshooting TechNotes.
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