I am thinking to get a second ISP for redundancy 1

[marslove]

I am thinking to get a second ISP for redundancy. I need config sample for internal BGP, two Cisco 3640 routers and 2 deferent ISP,s.

Thanks

 

[jeter]

working config from a lab we had during a ccnp course....

ISP1#show run
!
hostname ISP1
!
interface Loopback0
ip address 12.0.1.1 255.255.255.0
!
interface Loopback100
ip address 210.210.210.1 255.255.255.0
!
interface Serial0/0/0
ip address 10.0.0.1 255.255.255.252
clock rate 64000
no shutdown
!
router bgp 200
no synchronization
network 12.0.1.0 mask 255.255.255.0
network 210.210.210.0
neighbor 10.0.0.2 remote-as 100
no auto-summary
-----------------------------------------------------------
Host#sh run
!
hostname Host
!
interface Loopback0
ip address 192.168.0.1 255.255.255.0
!
interface Loopback1
ip address 192.168.1.1 255.255.255.0
!
interface Serial0/0/0
ip address 10.0.0.2 255.255.255.252
no shutdown
!
interface Serial0/0/1
ip address 172.16.0.2 255.255.255.252
clock rate 64000
no shutdown
!
router bgp 100
no synchronization
network 192.168.0.0
network 192.168.1.0
neighbor 10.0.0.1 remote-as 200
neighbor 10.0.0.1 distribute-list 1 out
neighbor 172.16.0.1 remote-as 300
neighbor 172.16.0.1 distribute-list 1 out
no auto-summary
!
ip default-network 210.210.210.0
ip route 0.0.0.0 0.0.0.0 172.16.0.1 220
!
access-list 1 permit 192.168.0.0 0.0.1.255

----------------------------------------------------------


ISP2#show run
!
hostname ISP2
!
interface Loopback0
ip address 172.16.1.1 255.255.255.0
!
interface Serial0/0/1
ip address 172.16.0.1 255.255.255.252
no shutdown
!
router bgp 300
no synchronization
network 172.16.1.0 mask 255.255.255.0
neighbor 172.16.0.2 remote-as 100
no auto-summary





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