R3303-HP HSR6800 Routers IP Multicast Configuration Guide

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To protect the router against DoS attacks, you can set a limit on the number of (S, G) entries that the router
can cache.
To configure the SA message cache:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter public network MSDP view or
VPN instance MSDP view.
msdp [ vpn-instance
vpn-instance-name ]
N/A
3. Enable the SA cache mechanism.
cache-sa-enable
Optional.
Enabled by default.
4. Configure the maximum number of (S,
G) entries learned from the specified
MSDP peer that the router can cache.
peer peer-address
sa-cache-maximum sa-limit
Optional.
8192 by default.
Displaying and maintaining MSDP
Task Command Remarks
Display brief information about
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.
Display 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.
Display information about the (S,
G) entries 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.
Display 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 statistics for MSDP peers.
reset msdp [ all-instance | vpn-instance
vpn-instance-name ] statistics [ peer-address ]
Available in user view.
MSDP configuration examples
This section provides examples of configuring MSDP.