NOTE
- PBR でset を指定しないと通常のルーティングで処理される
R2-R7 は冗長
R7 のLoopback に192.168.7.21
[R1]---------------[R2]---------------[R7] 10.1.2.0/24 172.16.27.0/24 192.168.7.21/32 192.168.27.0/24
ルーティングは192 経由、PBR で172 側を指定
R2#sh ip ro os <snip> 192.168.7.0/32 is subnetted, 1 subnets O 192.168.7.21 [110/2] via 192.168.27.7, 00:03:23, FastEthernet1/0 R2# R2#sh run | sec route-map PBR ip policy route-map PBR route-map PBR permit 10 match ip address 1 set ip next-hop 172.16.27.7 R2# R2#sh run | inc access-list 1 access-list 1 permit 10.1.2.1 R2#
PBR が優先されるので期待どおり
R1#traceroute 192.168.7.21 Type escape sequence to abort. Tracing the route to 192.168.7.21 VRF info: (vrf in name/id, vrf out name/id) 1 10.1.2.2 48 msec 48 msec 44 msec 2 172.16.27.7 72 msec 60 msec 64 msec
route-map にset 無しを若番で追加
R2#sh run | sec route-map PBR ip policy route-map PBR route-map PBR permit 5 match ip address 1 route-map PBR permit 10 match ip address 1 set ip next-hop 172.16.27.7
通常どおりのルーティングで192 側を経由
R1#traceroute 192.168.7.21 Type escape sequence to abort. Tracing the route to 192.168.7.21 VRF info: (vrf in name/id, vrf out name/id) 1 10.1.2.2 48 msec 40 msec 44 msec 2 192.168.27.7 44 msec 64 msec 52 msec R1#
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