[RouterC-msdp] quit
# Configure an SA message filter on Router D so that Router D will not create SA messages for
Source 2.
[RouterD] acl number 2001
[RouterD-acl-basic-2001] rule deny source 10.110.6.100 0
[RouterD-acl-basic-2001] quit
[RouterD] msdp
[RouterD-msdp] import-source acl 2001
[RouterD-msdp] quit
Verify the configuration
# Display the (S, G) entries in the SA cache on Router C.
[RouterC] display msdp sa-cache
MSDP Source-Active Cache Information of VPN-Instance: public net
MSDP Total Source-Active Cache - 8 entries
MSDP matched 8 entries
(Source, Group)
(10.110.3.100, 225.1.1.0)
(10.110.3.100, 225.1.1.1)
(10.110.3.100, 225.1.1.2)
(10.110.3.100, 225.1.1.3)
(10.110.3.100, 226.1.1.0)
(10.110.3.100, 226.1.1.1)
(10.110.3.100, 226.1.1.2)
(10.110.3.100, 226.1.1.3)
# Display the (S, G) forwarding entries in the SA cache on Router D.
[RouterD] display msdp sa-cache
MSDP Source-Active Cache Information of VPN-Instance: public net
MSDP Total Source-Active Cache - 4 entries
MSDP matched 4 entries
(Source, Group)
(10.110.3.100, 226.1.1.0)
(10.110.3.100, 226.1.1.1)
(10.110.3.100, 226.1.1.2)
(10.110.3.100, 226.1.1.3)
Troubleshooting MSDP
MSDP peers stay in down state
Symptom
The configured MSDP peers stay in down state.
Origin RP
Pro
1.1.1.1
?
1.1.1.1
?
1.1.1.1
?
1.1.1.1
?
1.1.1.1
?
1.1.1.1
?
1.1.1.1
?
1.1.1.1
?
Origin RP
Pro
1.1.1.1
?
1.1.1.1
?
1.1.1.1
?
1.1.1.1
?
217
AS
Uptime
Expires
?
02:03:30 00:05:31
?
02:03:30 00:05:31
?
02:03:30 00:05:31
?
02:03:30 00:05:31
?
02:03:30 00:05:31
?
02:03:30 00:05:31
?
02:03:30 00:05:31
?
02:03:30 00:05:31
AS
Uptime
Expires
?
00:32:53 00:05:07
?
00:32:53 00:05:07
?
00:32:53 00:05:07
?
00:32:53 00:05:07