Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.14.1.0 - Page 576
Logging Changes in Peership States, Terminating a Peership
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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. [Router 1] 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 GroupAddr SourceAddr RPAddr LearnedFrom Expire 239.0.0.1 10.11.4.2 192.168.0.1 local 70 R3(conf)#do show ip msdp sa-cache MSDP Source-Active Cache - 1 entries GroupAddr SourceAddr RPAddr LearnedFrom Expire 239.0.0.1 10.11.4.2 192.168.0.1 192.168.0.1 1 UpTime 00:27:20 UpTime 00:10:29 [Router 3] R3(conf)#do show ip msdp sa-cache R3(conf)# To display the configured SA filters for a peer, use the show ip msdp peer command from EXEC Privilege mode. Logging Changes in Peership States To log changes in peership states, use the following command. • Log peership state changes. CONFIGURATION mode ip msdp log-adjacency-changes Terminating a Peership MSDP uses TCP as its transport protocol. In a peering relationship, the peer with the lower IP address initiates the TCP session, while the peer with the higher IP address listens on port 639. • Terminate the TCP connection with a peer. CONFIGURATION mode ip msdp shutdown Example of the Verifying that Peering State is Disabled After the relationship is terminated, the peering state of the terminator is SHUTDOWN, while the peering state of the peer is INACTIVE. [Router 3] R3(conf)#ip msdp shutdown 192.168.0.1 R3(conf)#do show ip msdp peer Peer Addr: 192.168.0.1 Local Addr: 0.0.0.0(0) Connect Source: Lo 0 State: Shutdown Up/Down Time: 00:00:18 Timers: KeepAlive 30 sec, Hold time 75 sec SourceActive packet count (in/out): 0/0 SAs learned from this peer: 0 SA Filtering: Input (S,G) filter: myremotefilter 576 Multicast Source Discovery Protocol (MSDP)
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