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Configuring MSDP
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This example shows how to configure the switch to send SA request messages to the MSDP peer at 171.69.1.1:
Switch(config)# ip msdp sa-request 171.69.1.1
The following example shows how to configure which (S, G) entries from the mroute table are advertised in SA messages
originated from AS 64512:
Switch(config)# ip msdp redistribute route-map customer-sources
Switch(config)# route-map customer-sources permit
Switch(config)# match as-path 100
Switch(config)# ip as-path access-list 100 permit ^64512$
This example shows how to configure the switch to filter SA request messages from the MSDP peer at 171.69.2.2. SA
request messages from sources on network 192.4.22.0 pass access list 1 and are accepted; all others are ignored.
Switch(config)# ip msdp filter sa-request 171.69.2.2 list 1
Switch(config)# access-list 1 permit 192.4.22.0 0.0.0.255
This example shows how to allow only (S,G) pairs that pass access list 100 to be forwarded in an SA message to the
peer named switch.cisco.com:
Switch(config)# ip msdp peer switch.cisco.com connect-source gigabitethernet0/1
Switch(config)# ip msdp sa-filter out switch.cisco.com list 100
Switch(config)# access-list 100 permit ip 171.69.0.0 0.0.255.255 224.20 0 0.0.255.255
The following example shows how to configure a TTL threshold of 8 hops:
Switch(config)# ip msdp ttl-threshold 192.168.1.5 8
This example shows how to filter all SA messages from the peer named switch.cisco.com:
Switch(config)# ip msdp peer switch.cisco.com connect-source gigabitethernet0/1
Switch(config)# ip msdp sa-filter in switch.cisco.com
The following example shows how to configure the MSDP peer at address 192.168.1.3 to be a member of the mesh
group named internal:
Switch(config)# ip msdp mesh-group internal 192.168.1.3
The following example shows how to shut down the MSDP peer at IP address 192.168.7.20:
Switch(config)# ip msdp shutdown 192.168.7.20
In the following example, the local router is not an RP. It borders a PIM sparse mode region with a dense mode region.
It uses the IP address of Ethernet interface 0 as the “RP” address in SA messages.
Switch(config)# ip msdp border sa-address ethernet0
The following example shows how to configure the IP address of Ethernet interface 1 as the RP address in SA messages:
Switch(config)# ip msdp originator-id ethernet1
Related Documents
Cisco IOS IP Multicast Command Reference
IP Multicast Configuration Guide Library, Cisco IOS Release 15M&T
Cisco IOS Master Command List, All Releases
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