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policy routing

 
  • Feb 04, 2021

route traffic from client 1 to ISP2

conf t
ip access-list extended CLIENT1
permit ip host 192.168.1.20 any
exit
route-map POLICY 10
match ip add CLIENT1
set ip next-hop 201.1.1.2
end

route traffic for telnet and https from client 2 to ISP1

conf t
ip access-list extended CLIENT2
permit tcp host 192.168.1.21 any eq 23
permit tcp host 192.168.1.21 any eq 443
exit
route-map POLICY 20
match ip add CLIENT2
set ip next-hop 200.1.1.2
end

route all other traffic to ISP 2

conf t
route-map POLICY 30
set ip next-hop 201.1.1.2
end

enable policy based routing on the interface

conf t
int e0/0
ip policy route-map POLICY
end

enable router traffic primary ISP 1

conf t
ip access-list extended ROUTER
permit ip any any
exit
route-map ROUTER_TRAFFIC permit 10
match ip add ROUTER
set ip next-hop verify-availability 200.1.1.2 10 track 1
set ip next-hop 201.1.1.2
exit
ip local policy route-map ROUTER_TRAFFIC
end

ip sla configuration

conf t
track 1 ip sla 1 reachability
ip sla 1
 icmp-echo 200.1.1.2
 threshold 2
 timeout 1000
 frequency 3
ip sla schedule 1 life forever start-time now

ip-sla
router-config
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