HP MSR2000 Configuration Manual page 53

[RouterA-ldp] lsp-trigger prefix-list routera
[RouterA-ldp] quit
# On Router B, create IP prefix list routerb, and configure LDP to use only the routes permitted by
the prefix list to establish LSPs.
[RouterB] ip prefix-list routerb index 10 permit 11.1.1.0 24
[RouterB] ip prefix-list routerb index 20 permit 21.1.1.0 24
[RouterB] mpls ldp
[RouterB-ldp] lsp-trigger prefix-list routerb
[RouterB-ldp] quit
# On Router C, create IP prefix list routerc, and configure LDP to use only the routes permitted by
the prefix list to establish LSPs.
[RouterC] ip prefix-list routerc index 10 permit 11.1.1.0 24
[RouterC] ip prefix-list routerc index 20 permit 21.1.1.0 24
[RouterC] mpls ldp
[RouterC-ldp] lsp-trigger prefix-list routerc
[RouterC-ldp] quit
# On Router D, create IP prefix list routerd, and configure LDP to use only the routes permitted by
the prefix list to establish LSPs.
[RouterD] ip prefix-list routerd index 10 permit 11.1.1.0 24
[RouterD] ip prefix-list routerd index 20 permit 21.1.1.0 24
[RouterD] mpls ldp
[RouterD-ldp] lsp-trigger prefix-list routerd
[RouterD-ldp] quit
5. Configure label acceptance policies:
# On Router A, create an IP prefix list prefix-from-b that permits subnet 21.1.1.0/24. Router A
uses this list to filter FEC-label mappings received from Router B.
[RouterA] ip prefix-list prefix-from-b index 10 permit 21.1.1.0 24
# On Router A, create an IP prefix list prefix-from-d that denies subnet 21.1.1.0/24. Router A
uses this list to filter FEC-label mappings received from Router D.
[RouterA] ip prefix-list prefix-from-d index 10 deny 21.1.1.0 24
# On Router A, configure label acceptance policies to filter FEC-label mappings received from
Router B and Router D.
[RouterA] mpls ldp
[RouterA-ldp] accept-label peer 2.2.2.9 prefix-list prefix-from-b
[RouterA-ldp] accept-label peer 4.4.4.9 prefix-list prefix-from-d
[RouterA-ldp] quit
# On Router C, create an IP prefix list prefix-from-b that permits subnet 11.1.1.0/24. Router C
uses this list to filter FEC-label mappings received from Router B.
[RouterC] ip prefix-list prefix-from-b index 10 permit 11.1.1.0 24
# On Router C, create an IP prefix list prefix-from-d that denies subnet 11.1.1.0/24. Router A
uses this list to filter FEC-label mappings received from Router D.
[RouterC] ip prefix-list prefix-from-d index 10 deny 11.1.1.0 24
# On Router C, configure label acceptance policies to filter FEC-label mappings received from
Router B and Router D.
[RouterC] mpls ldp
[RouterC-ldp] accept-label peer 2.2.2.9 prefix-list prefix-from-b
[RouterC-ldp] accept-label peer 4.4.4.9 prefix-list prefix-from-d
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