Field Notices
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Cisco Catalyst 9500 SVL Switch
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Cisco Catalyst 9500 Switch
- 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: FN72323 - Cisco IOS XE Software: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing, Smart Call Home, and Other Functionality - Software Upgrade Recommended 05/Oct/2023
- Field Notice: FN72578 - Cisco IOS XE - Smart Licensing Using Policy Might Cause High CPU/Memory Usage - Software Upgrade Recommended 29/Sep/2023
- Field Notice: FN - 70424 - Some C9500-24Q, C9500-12Q, and C9500-40X Devices Might Fail to Power On - Workaround Provided 05/Aug/2020
- Field Notice: FN - 70359 - C3650/C3850 and C9300/C9500 Devices That Run on Certain Cisco IOS XE 16.3.x or 16.6.x Software Releases Might Observe a Memory Leak - Software Upgrade Recommended 21/Feb/2019
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Cisco Catalyst C9500-48Y4C Switch
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Cisco Catalyst C9500-40X-A Switch
- 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 - 70455 - Some Catalyst Switches That Run on Polaris Releases 16.9.1, 16.6.4, and 16.3.7 or Earlier Might Crash Unexpectedly - Software Upgrade Recommended 06/Nov/2019
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Cisco Catalyst C9500-40X-E Switch
- 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 - 70455 - Some Catalyst Switches That Run on Polaris Releases 16.9.1, 16.6.4, and 16.3.7 or Earlier Might Crash Unexpectedly - Software Upgrade Recommended 06/Nov/2019
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Cisco Catalyst C9500-32C Switch
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Cisco Catalyst C9500-32QC Switch
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Cisco Catalyst C9500-24Q-A Switch
- 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 - 70455 - Some Catalyst Switches That Run on Polaris Releases 16.9.1, 16.6.4, and 16.3.7 or Earlier Might Crash Unexpectedly - Software Upgrade Recommended 06/Nov/2019
- Field Notice: FN - 70359 - C3650/C3850 and C9300/C9500 Devices That Run on Certain Cisco IOS XE 16.3.x or 16.6.x Software Releases Might Observe a Memory Leak - Software Upgrade Recommended 21/Feb/2019
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Cisco Catalyst C9500-24Q-E Switch
- 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 - 70455 - Some Catalyst Switches That Run on Polaris Releases 16.9.1, 16.6.4, and 16.3.7 or Earlier Might Crash Unexpectedly - Software Upgrade Recommended 06/Nov/2019
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Cisco Catalyst C9500-24Y4C Switch
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Cisco Catalyst C9500-16X-A Switch
- 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 - 70455 - Some Catalyst Switches That Run on Polaris Releases 16.9.1, 16.6.4, and 16.3.7 or Earlier Might Crash Unexpectedly - Software Upgrade Recommended 06/Nov/2019
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Cisco Catalyst C9500-16X-E Switch
- 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 - 70455 - Some Catalyst Switches That Run on Polaris Releases 16.9.1, 16.6.4, and 16.3.7 or Earlier Might Crash Unexpectedly - Software Upgrade Recommended 06/Nov/2019
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Cisco Catalyst C9500-12Q-A Switch
- 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 - 70455 - Some Catalyst Switches That Run on Polaris Releases 16.9.1, 16.6.4, and 16.3.7 or Earlier Might Crash Unexpectedly - Software Upgrade Recommended 06/Nov/2019
- Field Notice: FN - 70359 - C3650/C3850 and C9300/C9500 Devices That Run on Certain Cisco IOS XE 16.3.x or 16.6.x Software Releases Might Observe a Memory Leak - Software Upgrade Recommended 21/Feb/2019
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Cisco Catalyst C9500-12Q-E Switch
- 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 - 70455 - Some Catalyst Switches That Run on Polaris Releases 16.9.1, 16.6.4, and 16.3.7 or Earlier Might Crash Unexpectedly - Software Upgrade Recommended 06/Nov/2019
- Field Notice: FN - 70359 - C3650/C3850 and C9300/C9500 Devices That Run on Certain Cisco IOS XE 16.3.x or 16.6.x Software Releases Might Observe a Memory Leak - Software Upgrade Recommended 21/Feb/2019
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Cisco Catalyst C9500X-60L4D Switch
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Cisco Catalyst C9500X-28C8D Switch
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Cisco Catalyst C9500X-28C8D-A Switch
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Cisco Catalyst C9500X-28C8D-E Switch
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- Field Notice: FN74135 - Cisco SUDI Certificate Expires When Registered to a PKI and Used to Configure Certain Functionalities on Catalyst 9000 Platforms - Workaround Provided 14/May/2024
- Field Notice: FN72524 - During Software Upgrade/Downgrade, Cisco IOS APs Might Remain in Downloading State After December 4, 2022 Due to Certificate Expiration - Software Upgrade Recommended 07/Dec/2023
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Security Notices