Prevent Msdp From Caching A Local Source - Dell Force10 Z9000 Configuration Manual

Ftos configuration guide for z9000 system

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Prevent MSDP from Caching a Local Source

You can prevent MSDP from caching an active source based on source and/or group. Since the source is

not cached, it is not advertised to remote RPs.

OPTIONAL: Cache sources that are denied by the

redistribute list in the rejected SA cache.

Prevent the system from caching local SA entries based

on source and group using an extended ACL.

When you apply this filter, the SA cache is not affected immediately. When sources which are denied by

the ACL time out, they are not refreshed. Until they time out, they continue to reside in the cache. To apply

the redistribute filter to entries already present in the SA cache, first clear the SA cache. You may

optionally store denied sources in the rejected SA cache.

Figure 26-12. Preventing MSDP from Caching a Local Source

R1_E600(conf)#do show run msdp

ip multicast-msdp

ip msdp peer 192.168.0.3 connect-source Loopback 0

ip msdp redistribute list mylocalfilter

ip msdp cache-rejected-sa 1000

R1_E600(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_E600(conf)#do show ip msdp sa-cache

R1_E600(conf)#do show ip msdp sa-cache rejected-sa

MSDP Rejected SA Cache

1 rejected SAs received, cache-size 1000

Multicast Source Discovery Protocol (MSDP)

Command Syntax

ip msdp cache-rejected-sa

ip msdp redistribute list

Command Mode

CONFIGURATION

Redistribute

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