202
To do... Use the command... Remarks
Enter system view system-view —
Enter public network MSDP view or VPN
instance MSDP view
msdp [ vpn-instance vpn-instance-
name ]
—
Enable the SA cache mechanism
cache-sa-enable
Optional
Enabled by default
Configure the maximum number of (S, G)
entries learned from the specified MSDP
peer that the switch can cache
peer peer-address sa-cache-
maximum sa-limit
Optional
8192 by default
Displaying and maintaining MSDP
To do... Use the command... Remarks
View the brief information of
MSDP peers
display msdp [ all-instance | vpn-instance vpn-
instance-name ] brief [ state { connect | down |
listen | shutdown | up } ] [ | { begin | exclude |
include } regular-expression ]
Available in
any view
View the detailed information
about the status of MSDP peers
display msdp [ all-instance | vpn-instance vpn-
instance-name ] peer-status [ peer-address ] [ | {
begin | exclude | include } regular-expression ]
Available in
any view
View the (S, G) entry information
in the SA cache
display msdp [ all-instance | vpn-instance vpn-
instance-name ] sa-cache [ group-address | source-
address | as-number ] * [ | { begin | exclude |
include } regular-expression ]
Available in
any view
View the number of (S, G) entries
in the SA cache
display msdp [ all-instance | vpn-instance vpn-
instance-name ] sa-count [ as-number ] [ | { begin |
exclude | include } regular-expression ]
Available in
any view
Reset the TCP connection with an
MSDP peer
reset msdp [ all-instance | vpn-instance vpn-instance-
name ] peer [ peer-address ]
Available in
user view
Clear (S, G) entries in the SA
cache
reset msdp [ all-instance | vpn-instance vpn-instance-
name ] sa-cache [ group-address ]
Available in
user view
Clear all statistics information of
an MSDP peer
reset msdp [ all-instance | vpn-instance vpn-instance-
name ] statistics [ peer-address ]
Available in
user view
MSDP configuration examples
Inter-AS multicast configuration leveraging BGP routes
Network requirements
• As shown in Figure 58, AS 100 and AS 200 run OSPF within each AS, and run BGP between
each other.
• PIM-SM 1 belongs to AS 100, and PIM-SM 2 and PIM-SM 3 belong to AS 200.