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The HP FlexFabric Switch must configure the maximum hop limit value to at least 32.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-66125 | HFFS-RT-000019 | SV-80615r2_rule | Medium |
| Description |
|---|
| The Neighbor Discovery protocol allows a hop limit value to be advertised by routers in a Router Advertisement message to be used by hosts instead of the standardized default value. If a very small value was configured and advertised to hosts on the LAN segment, communications would fail due to the hop limit reaching zero before the packets sent by a host reached their destination. |
| STIG | Date |
|---|---|
| HP FlexFabric Switch RTR Security Technical Implementation Guide | 2020-06-03 |
Details
| Check Text ( C-66771r1_chk ) |
|---|
| Review the HP FlexFabric Switch configuration to determine if the maximum hop limit has been configured. If the maximum hop limit is not configured, this is a finding. If it has been configured, then it must be set to at least 32; otherwise this is a finding. [5900CP]display current-configuration | i hop-limit ipv6 hop-limit 255 Note: The default value for the maximum hop limit is 64. |
| Fix Text (F-72201r1_fix) |
|---|
| If the max hop set is not configured then use the following command to configure it: [HP] ipv6 hop-limit 255 |