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Updated:August 29, 2016
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This document describes the pre-configuration required in order to enable Flexible Netflow Functionality on the ASR903 router.
Note: Click here to understand more on working of Flexible Netflow.
Cisco recommends that you have knowledge of the Flexible Netflow feature configuration.
This document is not restricted to specific software and hardware versions.
The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.
Flexible Netflow on ASR903 platform is supported starting from XE3.18.0 SP release. However, you get this error when you try to configure the feature:
Router_ASR903(config)#int BDI10 Router_ASR903(config-if)#ip flow monitor TEST_IPV4_MONITOR input % Flow Monitor: Failed to add monitor to interface: Unsupported template Router_ASR903(config-if)#int GigabitEthernet0/1/0 Router_ASR903(config-if)#ip flow monitor TEST_IPV4_MONITOR input % Flow Monitor: Failed to add monitor to interface: Unsupported template Router_ASR903#
You need to enable the metroaggrservices license on the ASR903 router. This is the configuration:
Router_ASR903#config t Enter configuration commands, one per line. End with CNTL/Z. Router_ASR903(config)#license boot level metroaggrservices Router_ASR903(config)#end Router_ASR903#write Building configuration... [OK] Router_ASR903#
A reload of the device is needed for the new license level to take effect. Once the device is reload, the license level can be verified from the output of show version.
Cisco IOS XE Software, Version 03.18.00.SP.156-2.SP-ext Cisco IOS Software, ASR900 Software (PPC_LINUX_IOSD-UNIVERSALK9_NPE-M), Version 15.6(2)SP, RELEASE SOFTWARE (fc2) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2016 by Cisco Systems, Inc. Compiled Wed 27-Jul-16 08:13 by mcpre
Cisco IOS-XE software, Copyright (c) 2005-2016 by cisco Systems, Inc. All rights reserved. Certain components of Cisco IOS-XE software are licensed under the GNU General Public License ("GPL") Version 2.0. The software code licensed under GPL Version 2.0 is free software that comes with ABSOLUTELY NO WARRANTY. You can redistribute and/or modify such GPL code under the terms of GPL Version 2.0. For more details, see the documentation or "License Notice" file accompanying the IOS-XE software, or the applicable URL provided on the flyer accompanying the IOS-XE software.
ROM: IOS-XE ROMMON
Router_ASR903 uptime is 18 hours, 16 minutes Uptime for this control processor is 18 hours, 18 minutes System returned to ROM by reload at 08:02:20 UTC Fri Aug 12 2016 System restarted at 14:15:01 UTC Sun Aug 14 2016 System image file is "bootflash:Image/packages.conf" Last reload reason: PowerOn
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cisco ASR-903 (RSP2) processor (revision RSP2) with 912985K/6147K bytes of memory. Processor board ID FOX1929P433 8 Gigabit Ethernet interfaces 1 Ten Gigabit Ethernet interface 32768K bytes of non-volatile configuration memory. 3670016K bytes of physical memory. 1328927K bytes of SD flash at bootflash:
Configuration register is 0x2102
Once the metroaggrservices license is in effect on the router, configure this template:
Router_ASR903#config t Enter configuration commands, one per line. End with CNTL/Z. Router_ASR903(config)#sdm prefer video Router_ASR903#end Router_ASR903#write Building configuration... [OK] Router_ASR903#
After the sdm template has been configured as mentioned, you will be able to configure Flexible Netflow feature and get it operational.
These are the sample configurations for the Flexible Netflow fetaure :
Router_ASR903 ! flow record TEST_IPV4_RECORD match ipv4 source address match ipv4 destination address match ipv4 protocol match transport source-port match transport destination-port collect counter packets collect counter bytes ! ! flow exporter TEST_EXPORTER destination 192.168.100.1 source Loopback1 transport udp 9999 ! ! flow monitor TEST_IPV4_MONITOR exporter TEST_EXPORTER cache timeout inactive 20 cache timeout active 180 record TEST_IPV4_RECORD ! interface GigabitEthernet0/1/0 ip address 10.10.10.2 255.255.255.0 ip flow monitor TEST_IPV4_MONITOR input speed 1000 no negotiation auto !
Use this section in order to confirm that your configuration works properly.
The operation of the Flexible Netflow feature can be verified using the information here
There is currently no specific troubleshooting information available for this configuration.