168
[RouterA-msdp] quit
# Configure MSDP peers on Router C.
[RouterC] msdp
[RouterC-msdp] peer 192.168.1.1 connect-interface gigabitethernet 2/1/3
[RouterC-msdp] peer 10.110.5.2 connect-interface gigabitethernet 2/1/2
[RouterC-msdp] quit
# Configure an MSDP peer on Router D.
[RouterD] msdp
[RouterD-msdp] peer 10.110.5.1 connect-interface gigabitethernet 2/1/3
[RouterD-msdp] quit
6. Configure SA message filtering rules:
# Configure an SA message filter on Router C so that Router C will not forward SA messages for
(Source 1, 225.1.1.0/30) to Router D.
[RouterC] acl number 3001
[RouterC-acl-adv-3001] rule deny ip source 10.110.3.100 0 destination 225.1.1.0
0.0.0.3
[RouterC-acl-adv-3001] rule permit ip source any destination any
[RouterC-acl-adv-3001] quit
[RouterC] msdp
[RouterC-msdp] peer 10.110.5.2 sa-policy export acl 3001
[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
Verifying the configuration
# Display the (S, G) entries in the SA message cache on Router C.
[RouterC] display msdp sa-cache
MSDP Total Source-Active Cache - 8 entries
Matched 8 entries
Source Group Origin RP Pro AS Uptime Expires
10.110.3.100 225.1.1.0 1.1.1.1 ? ? 02:03:30 00:05:31
10.110.3.100 225.1.1.1 1.1.1.1 ? ? 02:03:30 00:05:31
10.110.3.100 225.1.1.2 1.1.1.1 ? ? 02:03:30 00:05:31
10.110.3.100 225.1.1.3 1.1.1.1 ? ? 02:03:30 00:05:31
10.110.3.100 226.1.1.0 1.1.1.1 ? ? 02:03:30 00:05:31
10.110.3.100 226.1.1.1 1.1.1.1 ? ? 02:03:30 00:05:31
10.110.3.100 226.1.1.2 1.1.1.1 ? ? 02:03:30 00:05:31
10.110.3.100 226.1.1.3 1.1.1.1 ? ? 02:03:30 00:05:31
# Display the (S, G) entries in the SA message cache on Router D.
[RouterD] display msdp sa-cache
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