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Routers
Cisco Network Convergence System 540 Series Routers
Field Notices
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Cisco NCS 540-28Z4C-SYS-A Router
Cisco NCS 540-28Z4C-SYS-D Router
Cisco NCS 540-24Q8L2DD-SYS Router
Cisco NCS 540-24Z8Q2C-SYS Router
Cisco NCS 540-12Z20G-SYS-A Router
Cisco NCS 540-12Z20G-SYS-D Router
Cisco NCS 540-ACC-SYS Router
Cisco NCS 540-FH-AGG Router
Cisco NCS 540-FH-CSR-SYS Router
Cisco NCS 540X-16Z4G8Q2C-A Router
Cisco NCS 540X-16Z4G8Q2C-D Router
Cisco NCS 540X-12Z16G-SYS-A Router
Cisco NCS 540X-12Z16G-SYS-D Router
Cisco NCS 540X-8Z16G-SYS-A Router
Cisco NCS 540X-8Z16G-SYS-D Router
Cisco NCS 540X-6Z18G-SYS-A Router
Cisco NCS 540X-6Z18G-SYS-D Router
Cisco NCS 540X-4Z14G2Q-A Router
Cisco NCS 540X-4Z14G2Q-D Router
Cisco NCS 540X-ACC-SYS Router
Cisco NCS 540-28Z4C-SYS-A Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Field Notice: FN - 72541 - Some NCS 540 Routers Might Experience Multiple Reloads or Show No Console - Software Upgrade Recommended
01/Mar/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540-28Z4C-SYS-D Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Field Notice: FN - 72541 - Some NCS 540 Routers Might Experience Multiple Reloads or Show No Console - Software Upgrade Recommended
01/Mar/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540-24Q8L2DD-SYS Router
Field Notice: FN74023 - Cisco Network Convergence System 540 Routers: N540-24Q8L2DD-SYS Will Not Boot With Cisco IOS XR Release 7.8.x and 7.9.1 - Software Upgrade Recommended
18/Jul/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540-24Z8Q2C-SYS Router
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Field Notice: FN - 72107 - NCS-540 Will Fail with SSD Read-Only Filesystem after 3.2 Years of Operation - Power Cycle Required - BIOS/Firmware Upgrade Recommended
07/Jun/2021
Cisco NCS 540-12Z20G-SYS-A Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Field Notice: FN - 72541 - Some NCS 540 Routers Might Experience Multiple Reloads or Show No Console - Software Upgrade Recommended
01/Mar/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540-12Z20G-SYS-D Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Field Notice: FN - 72541 - Some NCS 540 Routers Might Experience Multiple Reloads or Show No Console - Software Upgrade Recommended
01/Mar/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540-ACC-SYS Router
Field Notice: FN74023 - Cisco Network Convergence System 540 Routers: N540-24Q8L2DD-SYS Will Not Boot With Cisco IOS XR Release 7.8.x and 7.9.1 - Software Upgrade Recommended
18/Jul/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Field Notice: FN - 72107 - NCS-540 Will Fail with SSD Read-Only Filesystem after 3.2 Years of Operation - Power Cycle Required - BIOS/Firmware Upgrade Recommended
07/Jun/2021
Cisco NCS 540-FH-AGG Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Cisco NCS 540-FH-CSR-SYS Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Cisco NCS 540X-16Z4G8Q2C-A Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Field Notice: FN - 72541 - Some NCS 540 Routers Might Experience Multiple Reloads or Show No Console - Software Upgrade Recommended
01/Mar/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-16Z4G8Q2C-D Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Field Notice: FN - 72541 - Some NCS 540 Routers Might Experience Multiple Reloads or Show No Console - Software Upgrade Recommended
01/Mar/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-12Z16G-SYS-A Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Field Notice: FN - 72541 - Some NCS 540 Routers Might Experience Multiple Reloads or Show No Console - Software Upgrade Recommended
01/Mar/2023
Field Notice: FN - 72418 - NCS 540 Router: N540X-4Z14G2Q-D Will Not Boot With Cisco IOS XR Release 7.4.2 - Software Upgrade Recommended
08/Sep/2022
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-12Z16G-SYS-D Router
Field Notice: FN74024 - New Memory Component Introduction in Cisco NCS 540 Routers May Impact Traffic for Releases Earlier than Cisco IOS XR Release 7.4.1 - Software Upgrade Recommended
16/Aug/2023
Field Notice: FN - 72541 - Some NCS 540 Routers Might Experience Multiple Reloads or Show No Console - Software Upgrade Recommended
01/Mar/2023
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-8Z16G-SYS-A Router
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-8Z16G-SYS-D Router
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-6Z18G-SYS-A Router
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-6Z18G-SYS-D Router
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-4Z14G2Q-A Router
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-4Z14G2Q-D Router
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Cisco NCS 540X-ACC-SYS Router
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
22/Mar/2022
Support Documentation
All Support Documentation for this Series