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Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

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Specifying Source-Active Messages

To specify messages, use the following command.

Specify the forwarding-peer and originating-RP from which all active sources are accepted without regard for the RPF check. CONFIGURATION mode ip msdp default-peer ip-address list If you do not specify an access list, the peer accepts all sources that peer advertises. All sources from RPs that the ACL denies are subject to the normal RPF check.

Example of the ip msdp default-peer Command and Viewing Denied Sources

Dell(conf)#ip msdp peer 10.0.50.2 connect-source Vlan 50
                                 Dell(conf)#ip msdp default-peer 10.0.50.2 list fifty
                                 
                                 Dell(conf)#ip access-list standard fifty
                                 Dell(conf)#seq 5 permit host 200.0.0.50
                                 
                                 Dell#ip msdp sa-cache
                                 MSDP Source-Active Cache - 3 entries
                                 GroupAddr   SourceAddr  RPAddr      LearnedFrom  Expire  UpTime
                                 229.0.50.2  24.0.50.2   200.0.0.50  10.0.50.2    73      00:13:49
                                 229.0.50.3  24.0.50.3   200.0.0.50  10.0.50.2    73      00:13:49
                                 229.0.50.4  24.0.50.4   200.0.0.50  10.0.50.2    73      00:13:49
                                 
                                 Dell#ip msdp sa-cache rejected-sa
                                 MSDP Rejected SA Cache
                                 3 rejected SAs received, cache-size 32766
                                 UpTime    GroupAddr    SourceAddr  RPAddr      LearnedFrom  Reason
                                 00:33:18  229.0.50.64  24.0.50.64  200.0.1.50  10.0.50.2    Rpf-Fail
                                 00:33:18  229.0.50.65  24.0.50.65  200.0.1.50  10.0.50.2    Rpf-Fail
                                 00:33:18  229.0.50.66  24.0.50.66  200.0.1.50  10.0.50.2    Rpf-Fail
                              

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