The RUCKUS ICX Router must be configured to advertise a hop limit of at least 32 in Router Advertisement messages for IPv6 stateless autoconfiguration deployments.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-273665 | RCKS-RTR-001020 | SV-273665r1110904_rule | Low |
| Description |
| The Neighbor Discovery protocol allows a hop limit value to be advertised by routers in a Router Advertisement message being 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 its destination. |
| STIG | Date |
| RUCKUS ICX Router Security Technical Implementation Guide | 2025-06-03 |
Details
| Check Text (C-77756r1110015_chk) |
| This requirement is not applicable for the DODIN Backbone. Review the router configuration to determine if the hop limit has been configured for Router Advertisement messages (default value = 64). Ipv6 hop-limit xx If it has been configured and has not been set to at least "32", it is a finding. |
| Fix Text (F-77661r1110777_fix) |
| Configure the router to advertise a hop limit of at least "32" in Router Advertisement messages: ICX(config)#ipv6 hop-limit xx (Decimal between 32 and 255) |