Release Notes
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Cisco IOS XR Software Release 7.4
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.4.2 08/Feb/2022
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.4.1 30/Jul/2021
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.4.2 15/Feb/2022
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.4.1 29/Jul/2021
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 7.4.2 08/Feb/2022
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 7.4.1 03/Aug/2021
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.4.2 15/Feb/2022
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.4.1 29/Jul/2021
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.4.2 15/Feb/2022
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.4.1 20/Jul/2021
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.4.2 15/Feb/2022
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.4.1 05/Aug/2021
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.4.2 15/Feb/2022
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.4.1 05/Aug/2021
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Cisco IOS XR Software Release 7.3
- Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.15 30/Apr/2021
- Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.4 13/May/2022
- Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.3 30/Jan/2022
- Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.2 30/Sep/2021
- Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.1 02/Mar/2021
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.3.4 13/May/2022
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.3.2 06/Sep/2021
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.3.1 26/Feb/2021
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.3.4 13/May/2022
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.3.3 31/Jan/2022
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.3.2 15/Oct/2021
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.3.1 11/May/2021
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.3.4 15/May/2022
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.3.2 15/Oct/2021
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.3.1 26/Feb/2021
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.3.4 15/May/2022
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.3.2 06/Sep/2021
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.3.2 15/Oct/2021
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.3.1 28/Feb/2021
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.3.2 15/Oct/2021
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.3.1 28/Feb/2021
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Cisco IOS XR Software Release 7.2
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.2.2 22/Jan/2021
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.2.1 31/Jul/2020
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 7.2.2 29/Jan/2021
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 7.2.1 13/Aug/2020
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.2.2 29/Jan/2021
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.2.1 13/Aug/2020
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.2.1 13/Aug/2020
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.2.2 29/Jan/2021
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.2.1 14/Aug/2020
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.2.2 29/Jan/2021
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.2.1 14/Aug/2020
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Cisco IOS XR Software Release 7.1
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.1.3 30/Nov/2020
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.1.2 28/Aug/2020
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.1.1 22/Dec/2020
- Release Notes for Cisco ASR 9000 Series Routers, Release 7.1.15 21/Dec/2020
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.1.2 28/Aug/2020
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.1.1 29/Jan/2020
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 7.1.2 29/Jan/2020
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 7.1.1 29/Jan/2020
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.1.2 22/Dec/2020
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.1.1 28/Jan/2020
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.1.2 29/Jan/2020
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.1.1 29/Jan/2020
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.1.2 31/Aug/2020
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.1.1 27/Jan/2020
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.1.2 30/Aug/2020
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.1.1 27/Jan/2020
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Cisco IOS XR Software Release 7.0
- Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.0.14 07/Sep/2020
- Release Notes for Cisco 8000 Series Routers, Release 7.0.12 17/Mar/2020
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.0.2 22/Dec/2020
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 7.0.1 22/Jan/2020
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.0.2 13/Mar/2020
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 7.0.1 30/Aug/2019
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 7.0.1 30/Aug/2019
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.0.2 22/Dec/2020
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.0.1 30/Aug/2019
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.0.2 18/Feb/2020
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 7.0.1 30/Aug/2019
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.0.2 13/Mar/2020
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.0.1 29/Aug/2019
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.0.2 12/Mar/2020
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 7.0.1 28/Aug/2019
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Cisco IOS XR Software Release 6.7
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Cisco IOS XR Software Release 6.6
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.6.3 15/Dec/2019
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.6.2 29/Apr/2019
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.6.1 08/Mar/2019
- Release Notes for Cisco CRS Routers, IOS XR Release 6.6.3 15/Dec/2019
- Release Notes for Cisco CRS Routers, IOS XR Release 6.6.1 21/Dec/2018
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 6.6.3 18/Mar/2020
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 6.6.2 18/Mar/2020
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.6.25 02/Dec/2019
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.6.1 18/Jan/2019
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.6.3 15/Dec/2019
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.6.2 28/Apr/2019
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 6.6.25 31/May/2019
- Release Notes for Cisco NCS 560 Series Routers, Cisco IOS XR Release 6.6.3 12/Dec/2019
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 6.6.25 22/Dec/2019
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 6.6.3 12/Dec/2019
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 6.6.1 22/Dec/2019
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Cisco IOS XR Software Release 6.5
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.5.3 29/Mar/2019
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.5.2 18/Dec/2019
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.5.1 20/Jan/2020
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 6.5.3 28/Jun/2019
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 6.5.2 10/Mar/2019
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 6.5.1 09/Aug/2018
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.5.3 15/Mar/2019
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.5.2 18/Dec/2019
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.5.1 17/Dec/2019
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.5.3 29/Mar/2019
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.5.2 10/Mar/2019
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.5.1 10/Aug/2018
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 6.5.3 31/May/2019
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 6.5.2 02/Apr/2019
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 6.5.1 31/Jul/2018
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Cisco IOS XR Software Release 6.4
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.4.2 14/Jan/2019
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.4.1 28/Mar/2018
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.4.2 31/Jul/2018
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.4.1 28/Mar/2018
- Release Notes for Cisco CRS Routers, IOS XR Release 6.4.2 04/Jul/2019
- Release Notes for Cisco CRS Routers, IOS XR Release 6.4.1 28/Mar/2018
- Release Notes for Cisco IOS XRv 9000 Router, IOS XR Release 6.4.1 18/Apr/2018
- Release Notes for Cisco IOS XRv 9000 Routers, IOS XR Release 6.4.2 31/Jul/2018
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 6.4.1 18/Apr/2018
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Cisco IOS XR Software Release 6.3
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.3 07/Oct/2018
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.2 29/Mar/2018
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.1 28/Jun/2018
- Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.2 22/Sep/2019
- Release Notes for Cisco NCS 5500 Series Routers, Release 6.3.1 15/Sep/2017
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.3.2 29/Mar/2018
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.3.1 18/Apr/2018
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 6.3.3 23/Dec/2019
- Release Notes for Cisco NCS 540 Series Routers, Cisco IOS XR Release 6.3.2 25/Jul/2018
- Release Notes for Cisco IOS XRv 9000 Router, IOS XR Release 6.3.3 29/Aug/2018
- Release Notes for Cisco IOS XRv 9000 Router, IOS XR Release 6.3.2 02/May/2018
- Release Notes for Cisco IOS XRv 9000 Router, IOS XR Release 6.3.1 16/Nov/2017
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 6.3.2 02/May/2018
- Release Notes for Cisco NCS 6000 Series Routers, IOS XR Release 6.3.1 26/Sep/2017
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.3.3 10/Sep/2019
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Cisco IOS XR Software Release 6.2
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.2.25 18/Dec/2017
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.2.3 22/Dec/2017
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.2.1 18/Jun/2018
- Release Notes for Cisco NCS 5500 Series Routers, Release 6.2.25 12/Apr/2018
- Release Notes for Cisco NCS 5500 Series Routers, Release 6.2.3 20/Jan/2019
- Release Notes for Cisco NCS 5500 Series Routers, Release 6.2.2 30/Aug/2018
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.2.2 30/Aug/2018
- Release Notes for Cisco NCS 5000 Series Routers, IOS XR Release 6.2.1 18/Apr/2018
- Release Notes for Cisco ASR 9000 Series Routers, IOS XR Release 6.2.2 26/Apr/2021
- Release Notes for Cisco CRS Routers, IOS XR Release 6.2.25 18/Dec/2017
- Release Notes for Cisco CRS Routers, IOS XR Release 6.2.3 22/Dec/2017
- Release Notes for Cisco CRS Routers, IOS XR Release 6.2.2 30/Aug/2018
- Release Notes for Cisco IOS XRv 9000 Router, IOS XR Release 6.2.25 18/Dec/2017
- Release Notes for Cisco IOS XRv 9000 Router, IOS XR Release 6.2.3 22/Dec/2017
- Release Notes for Cisco IOS XRv 9000 Router,IOS XR Release 6.2.2 03/Dec/2017
- Release Notes for Cisco IOS XRv 9000 Router,IOS XR Release 6.2.1 17/Dec/2017
- Release Notes for Cisco NCS 1002, IOS XR Release 6.2.x 28/Mar/2018
- Release Notes for Cisco NCS 1001, IOS XR Release 6.2.1 28/Mar/2018
- Release Notes for Cisco NCS 1001, IOS XR Release 6.2.x 14/Jul/2017
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Cisco IOS XR Software Release 6.1
- Release Notes for Cisco ASR 9000 Series Aggregation Services Routers, Release 6.1.4 03/Jan/2018
- Release Notes for Cisco ASR 9000 Series Aggregation Services Routers, Release 6.1.3 05/May/2017
- Release Notes for Cisco ASR 9000 Series Aggregation Services Routers, Release 6.1.2 19/Oct/2018
- Release Notes for Cisco NCS 5500 Series Routers, Release 6.1.4 20/Jan/2019
- Release Notes for Cisco NCS 5500 Series Routers, Release 6.1.3 20/Jan/2019
- Release Notes for Cisco NCS 5500 Series Routers, Release 6.1.2 20/Jan/2019
- Release Notes for Cisco NCS 5000 Series Routers, Release 6.1.4 30/Jun/2017
- Release Notes for Cisco NCS 5000 Series Routers, Release 6.1.3 05/May/2017
- Release Notes for Cisco NCS 5000 Series Routers, Release 6.1.2 05/May/2017
- Release Notes for Cisco CRS Router, Release 6.1.4 30/Jun/2017
- Release Notes for Cisco CRS Router, Release 6.1.3 05/May/2017
- Release Notes for Cisco CRS Router, Release 6.1.2 05/May/2017
- Release Notes for Cisco IOS XRv 9000 Router, Release 6.1.4 30/Jun/2017
- Release Notes for Cisco IOS XRv 9000 Router, Release 6.1.2 30/Aug/2018
- Release Notes for Cisco IOS XRv 9000 Router, Release 6.1.1 30/Aug/2018
- Release Notes for Cisco NCS 1000 Series, IOS XR Release 6.1.2 28/Mar/2018
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Cisco IOS XR Software Release 6.0
- Release Notes for Cisco ASR 9000 Series Aggregation Services Routers, Release 6.0.1 15/Jun/2018
- Release Notes for Cisco ASR 9000 Series Aggregation Services Routers, Release 6.0.2 15/Jun/2018
- Release Notes for Cisco NCS 5500 Series Routers, Release 6.0.1 23/Jun/2016
- Release Notes for Cisco IOS XRv 9000 Router for Cisco IOS XR Software Release 6.0.0 05/Mar/2017
- Release Notes for Cisco IOS XRv 9000 Router, Release 6.0.2 30/Aug/2018
- Release Notes for Cisco IOS XRv 9000 Router, Release 6.0.1 05/May/2017
- Release Notes for Cisco NCS 1000 Series, IOS XR Release 6.0.1 28/Mar/2018
- Release Notes for Cisco NCS 1000 Series, IOS XR Release 6.0.0 28/Mar/2018