r1;
int lo 0
ip add 1.1.1.1 255.255.255.255
int s0/1
ip add 172.16.12.1 255.255.255.0
no shutdo
exit
access-list 4 permit 1.1.1.1
route-map 1to3
match ip address 4
set ip next-hop 172.16.12.2
exit
ip local policy route-map 1to3
r2;
int lo 0
ip add 2.2.2.2 255.255.255.255
int s0/0
ip add 172.16.12.2 255.255.255.0
no shutdown
int s0/1
ip add 172.16.23.2 255.255.255.0
no shutdown
exit
access-list 100 permit ip host 1.1.1.1 host 3.3.3.3
access-list 101 permit ip host 3.3.3.3 host 1.1.1.1
route-map 1to3
match ip address 100
set ip next-hop 172.16.23.3
exit
int s0/0
ip policy route-map 1to3
exit
route-map 3to1
match ip address 101
set ip next-hop 172.16.12.1
exit
int s0/1
ip policy route-map 3to1
R3;
int lo 0
ip add 3.3.3.3 255.255.255.255
int s0/0
ip add 172.16.23.3 255.255.255.0
no shutdown
exit
access-list 7 permit 3.3.3.3
route-map 3to1
match ip address 7
set ip next-hop 172.16.23.2
exit
ip local policy route-map 3to1
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