Dell Force10 E600i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 605
Limit the Source-active Messages from a Peer
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Task Command Syntax Command Mode Specify the forwarding-peer and originating-RP from which all active sources are accepted without regard for the RPF check. If you do not specify an access list, the peer accepts all sources advertised by that peer. All sources from RPs denied by the ACL are subjected to the normal RPF check. ip msdp default-peer ip-address list CONFIGURATION FTOS(conf)#ip msdp peer 10.0.50.2 connect-source Vlan 50 FTOS(conf)#ip msdp default-peer 10.0.50.2 list fifty FTOS(conf)#ip access-list standard fifty FTOS(conf)#seq 5 permit host 200.0.0.50 FTOS#sh ip msdp sa-cache MSDP Source-Active Cache - 3 entries GroupAddr SourceAddr RPAddr 229.0.50.2 24.0.50.2 200.0.0.50 229.0.50.3 24.0.50.3 200.0.0.50 229.0.50.4 24.0.50.4 200.0.0.50 LearnedFrom 10.0.50.2 10.0.50.2 10.0.50.2 Expire UpTime 73 00:13:49 73 00:13:49 73 00:13:49 FTOS#sh ip msdp sa-cache rejected-sa MSDP Rejected SA Cache 3 rejected SAs received, cache-size 32766 UpTime GroupAddr SourceAddr 00:33:18 229.0.50.64 24.0.50.64 00:33:18 229.0.50.65 24.0.50.65 00:33:18 229.0.50.66 24.0.50.66 RPAddr 200.0.1.50 200.0.1.50 200.0.1.50 LearnedFrom 10.0.50.2 10.0.50.2 10.0.50.2 Reason Rpf-Fail Rpf-Fail Rpf-Fail Limit the Source-active Messages from a Peer Task OPTIONAL: Store sources that are received after the limit is reached in the rejected SA cache. Set the upper limit for the number of sources allowed from an MSDP peer. The default limit is 100K. Command Syntax ip msdp cache-rejected-sa Command Mode CONFIGURATION ip msdp peer peer-address sa-limit CONFIGURATION If the total number of sources received from the peer is already larger than the limit when this configuration is applied, those sources are not discarded. To enforce the limit in such a situation, first clear the SA cache. Multicast Source Discovery Protocol | 605
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