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2 ISP with 1 Cisco Router

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by gmecruz

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I have a router with 2 ISP they are different isp. ISP 1 is connected to my router via serial cable, ISP 2 is connected via DSL(ethernet). i have 2 network assignment ip block 192.168.1.x/24 should use ISP 1 and ip block 192.168.2.x /24 should use ISP 2 and im using EIGRP. how can i configure my router using this 2 different ISP

2 replies

by wingui

access-list 101 permit ip 192.168.1.0 0.0.0.255 any
access-list 102 permit ip 192.168.2.0 0.0.0.255
any

route−map network1 permit 10
match ip address 101
match interface sx/x/x (this is you primary wan interface.)

route-map network2 permit 10
match ip address 102
match interface fx/x (this is your secondary wan interface.)

ip nat inside source route-map network1 interface serialx/x/x overload
ip nat inside source route-map network2 interface FastEthernetx/x overload

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