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Cisco ASR 920 Series Aggregation Services Router
Field Notices
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Cisco ASR 920 Router
Cisco ASR 920-24SZ-IM Router
Cisco ASR 920-24SZ-M Router
Cisco ASR 920-24TZ-M Router
Cisco ASR 920-12CZ-A Router
Cisco ASR 920-12CZ-D Router
Cisco ASR 920-12SZ-IM Router
Cisco ASR 920-10SZ-PD Router
Cisco ASR 920-4SZ-A Router
Cisco ASR 920-4SZ-D Router
Cisco ASR 920U-12SZ-IM Router
Cisco ASR-920-12SZ-A Router
Cisco ASR-920-12SZ-D Router
Cisco ASR 920 Router
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 64024 - ASR-920-PWR-A Might Fail to Start on Power Up - Replace on Failure
20/Oct/2021
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 70391 - ASR-920-12SZ-IM Routers Might Not Boot Up Due to an Incorrect Autoboot Configuration in Cisco IOS - Software Upgrade Recommended
11/Apr/2019
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 63944 - ASR 920 1G Ports Do Not Come Up on Cisco IOS Software Release 15.5(1)S (3.14.0) - Software Upgrade Recommended
18/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Cisco ASR 920-24SZ-IM Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 64024 - ASR-920-PWR-A Might Fail to Start on Power Up - Replace on Failure
20/Oct/2021
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 63944 - ASR 920 1G Ports Do Not Come Up on Cisco IOS Software Release 15.5(1)S (3.14.0) - Software Upgrade Recommended
18/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920-24SZ-M Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 64024 - ASR-920-PWR-A Might Fail to Start on Power Up - Replace on Failure
20/Oct/2021
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 63944 - ASR 920 1G Ports Do Not Come Up on Cisco IOS Software Release 15.5(1)S (3.14.0) - Software Upgrade Recommended
18/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920-24TZ-M Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 64024 - ASR-920-PWR-A Might Fail to Start on Power Up - Replace on Failure
20/Oct/2021
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920-12CZ-A Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920-12CZ-D Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920-12SZ-IM Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 70586 - ASR920 Router Upgrade to IOS XE Release 17.3.1 Fails When Router is in Consolidated Binary Mode - Workaround Provided
07/Aug/2020
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70391 - ASR-920-12SZ-IM Routers Might Not Boot Up Due to an Incorrect Autoboot Configuration in Cisco IOS - Software Upgrade Recommended
11/Apr/2019
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920-10SZ-PD Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920-4SZ-A Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920-4SZ-D Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Field Notice: FN - 70464 - ASR 900/NCS 4200 with RSP2 and ASR 920/NCS 4201/4202 Products Do Not Support Software Version Rollback from Certain Cisco IOS XE Versions - Workaround Provided
21/Apr/2021
Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended
27/May/2020
Field Notice: FN - 70362 - ASR903 and ASR920 Products Will Not Boot With Software Releases Earlier Than Cisco IOS XE Polaris 16.9.1a and Cisco IOS XE 3.18.5SP - Software Upgrade Recommended
22/Mar/2019
Field Notice: FN - 64159 - ASR 920 AC Power Supply Design Compliance Issue for Usage Above 2000M - Replace on Failure
30/Jul/2018
Field Notice: FN - 64136 - ASR 900 Series Routers (903/907/920) Memory Leak Issue. - Software Upgrade Recommended
11/Oct/2017
Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended
07/Oct/2016
Cisco ASR 920U-12SZ-IM Router
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Cisco ASR-920-12SZ-A Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Cisco ASR-920-12SZ-D Router
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
10/Jan/2024
Field Notice: FN - 72270 - PAK Licenses Will Not Be Supported on ASR 920 and NCS 520 Routers with Cisco IOS XE Release 17.7.x and Later - Software Upgrade Recommended
28/Feb/2022
Support Documentation
All Support Documentation for this Series
Security Notices
Security Advisories, Responses and Notices
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