The RUCKUS ICX BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-273571 | RCKS-RTR-000030 | SV-273571r1110907_rule | CCI-001368 | medium |
| Description | ||||
| Accepting route advertisements belonging to the local AS can result in traffic looping or being black holed, or at a minimum using a nonoptimized path. | ||||
| STIG | Date | |||
| RUCKUS ICX Router Security Technical Implementation Guide | 2025-06-03 | |||
Details
Check Text (C-273571r1110907_chk)
Review BGP neighbor configuration using "show running-config | begin router bgp".
If any BGP neighbor is configured for the "neighbor x.x.x. allowas-in" command, this is a finding.
Fix Text (F-77567r1109734_fix)
Remove the command "neighbor x.x.x.x allowas-in" where found in the BGP neighbor configuration.