Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
The Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to limit the amount of source-active messages it accepts on a per-peer basis.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-221146 | CISC-RT-000940 | SV-221146r622190_rule | Low |
| Description |
|---|
| To reduce any risk of a denial-of-service (DoS) attack from a rogue or misconfigured MSDP switch, the switch must be configured to limit the number of source-active messages it accepts from each peer. |
| STIG | Date |
|---|---|
| Cisco NX OS Switch RTR Security Technical Implementation Guide | 2023-02-15 |
Details
| Check Text ( C-22861r409927_chk ) |
|---|
| Review the switch configuration to determine if it is configured to limit the amount of source-active messages it accepts on a per-peer basis. ip msdp peer x.1.28.2 connect-source Ethernet2/1 remote-as nn … … … ip msdp sa-limit x.1.28.2 nnn If the switch is not configured to limit the source-active messages it accepts, this is a finding. |
| Fix Text (F-22850r409928_fix) |
|---|
| Configure the switch to limit the amount of source-active messages it accepts from each peer. SW1(config)# ip msdp sa-limit x.1.28.2 nnn SW1(config)# end |