Preventing Msdp From Advertising A Local Source; Logging Changes In Peership States - Dell C9000 Series Networking Configuration Manual

Hide thumbs Also See for C9000 Series:

Table of Contents

Preventing MSDP from Advertising a

Local Source

To prevent MSDP from advertising a local source, use the following command.

Prevent an RP from advertising a source in the SA cache.

CONFIGURATION mode

ip msdp sa-filter list in peer list ext-acl

Example of Verifying the System is not Advertising Local Sources

In the following example, R1 stops advertising source 10.11.4.2. Because it is already in the SA cache of R3, the

entry remains there until it expires.

R1(conf)#do show run msdp

ip multicast-msdp

ip msdp peer 192.168.0.3 connect-source Loopback 0

ip msdp sa-filter out 192.168.0.3 list mylocalfilter

R1(conf)#do show run acl

ip access-list extended mylocalfilter

seq 5 deny ip host 239.0.0.1 host 10.11.4.2

seq 10 deny ip any any

R1(conf)#do show ip msdp sa-cache

MSDP Source-Active Cache - 1 entries

R1(conf)#do show ip msdp sa-cache

MSDP Source-Active Cache - 1 entries

R3(conf)#do show ip msdp sa-cache

To display the configured SA filters for a peer, use the show ip msdp peer command from EXEC Privilege

To log changes in peership states, use the following command.

Log peership state changes.

CONFIGURATION mode

ip msdp log-adjacency-changes

Multicast Source Discovery Protocol (MSDP)

Troubleshooting