Displaying and Maintaining MSDP 685
Displaying and
Maintaining MSDP
MSDP Configuration
Examples
Inter-AS Multicast
Configuration
Leveraging BGP Routes
Network requirements
■ There are two ASs in the network, AS 100 and AS 200 respectively. OSPF is
running within each AS, and BGP is running between the two ASs.
■ PIM-SM 1 belongs to AS 100, while PIM-SM 2 and PIM-SM 3 belong to AS
200.
■ Each PIM-SM domain has zero or one multicast source and receiver. OSPF runs
within each domain to provide unicast routes.
■ It is required that the respective Loopback 0 of Switch B, Switch C and Switch E
be configured as the C-BSR and C-RP of the respective PIM-SM domains.
■ It is required that an MSDP peering relationship be set up between Switch B
and Switch C through EBGP, and between Switch C and Switch E through IBGP.
To do… Use the command… Remarks
Enter system view system-view -
Enter MSDP view msdp -
Enable the SA message cache
mechanism
cache-sa-enable Optional
Enabled by default
Configure the maximum
number of SA messages the
router can cache
peer peer-address
sa-cache-maximum sa-limit
Optional
8192 by default
To do… Use the command… Remarks
View the brief information of
MSDP peers
display msdp brief [ state { connect |
down | listen | shutdown | up }]
Available in any
view
View the detailed information
about the status of MSDP
peers
display msdp peer-status
[ peer-address ]
Available in any
view
View the (S, G) entry
information in the MSDP
cache
display msdp sa-cache [ group-address |
source-address | as-number ] *
Available in any
view
View the number of SA
messages in the MSDP cache
display msdp sa-count [ as-number ] Available in any
view
Reset the TCP connection
with an MSDP peer
reset msdp peer [ peer-address ] Available in user
view
Clear (S, G) entries in the
MSDP cache
reset msdp sa-cache [ group-address ] Available in user
view
Clear all statistics information
of an MSDP peer
reset msdp statistics [ peer-address ] Available in user
view
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