H3C Technologies H3C S10500 Series Switches User Manual

Page 248

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[SwitchD-msdp] quit

5.

Configure SA message filtering rules

# Configure an SA message rule on Switch C so that Switch C will not forward SA messages for (Source

1, 225.1.1.0/30) to Switch D.

[SwitchC] acl number 3001

[SwitchC-acl-adv-3001] rule deny ip source 10.110.3.100 0 destination 225.1.1.0 0.0.0.3

[SwitchC-acl-adv-3001] rule permit ip source any destination any

[SwitchC-acl-adv-3001] quit

[SwitchC] msdp

[SwitchC-msdp] peer 10.110.5.2 sa-policy export acl 3001

[SwitchC-msdp] quit

# Configure an SA message rule on Switch D so that Switch D will not create SA messages for Source 2.

[SwitchD] acl number 2001

[SwitchD-acl-basic-2001] rule deny source 10.110.6.100 0

[SwitchD-acl-basic-2001] quit

[SwitchD] msdp

[SwitchD-msdp] import-source acl 2001

[SwitchD-msdp] quit

6.

Verify the configuration

View the (S, G) entries cached in the SA cache on the switches using the display msdp sa-cache

command. For example:
# View the (S, G) entries cached in the SA cache on Switch C.

[SwitchC] 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) 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

# View the (S, G) entries cached in the SA cache on Switch D.

[SwitchD] 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) Origin RP Pro AS Uptime Expires

(10.110.3.100, 226.1.1.0) 1.1.1.1 ? ? 00:32:53 00:05:07

(10.110.3.100, 226.1.1.1) 1.1.1.1 ? ? 00:32:53 00:05:07

(10.110.3.100, 226.1.1.2) 1.1.1.1 ? ? 00:32:53 00:05:07

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