181
Step Command
Remarks
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 on routers.
PIM-SM Inter-domain multicast configuration
Network requirements
As shown in
, the network has two OSPF ASs: AS 100 and AS 200. BGP runs between the two
ASs.
PIM-SM 1 belongs to AS 100, and PIM-SM 2 and PIM-SM 3 belong to AS 200. Each PIM-SM domain
has at least one multicast source or receiver.
