I am in the process of learning BGP. Say I have two core routers and three
T3 circuits. Core1 has a connection to ISP1 and ISP2. Core2 has
a connection to ISP1. What would be the best way to setup BGP so that I can
get the most use out of my circuits. I have included a sample config
information below.
Core1 ---------------- ISP1
\
--------------- ISP2
Core2 ---------------- ISP1
AS #'s
ISP1 = 100
ISP2 = 200
ISP3 = 300
core1
interface FastEthernet0/0
description Internet Link
ip address 172.18.62.150 255.255.255.0
no ip directed-broadcast
!
interface FastEthernet0/1
description Ethernet
ip address 172.17.11.19 255.255.255.224
no ip directed-broadcast
!
interface Serial1/0
description T3 Link to isp1
ip address 172.16.6.6 255.255.255.252
no ip directed-broadcast
encapsulation ppp
!
interface Serial1/1
description T3 to isp2
ip address 172.19.5.10 255.255.255.252
no ip directed-broadcast
encapsulation ppp
!
core2
interface FastEthernet0/0
description Internet Link
ip address 172.18.62.25 255.255.255.0
no ip directed-broadcast
!
interface FastEthernet0/1
description Ethernet
ip address 172.17.11.15 255.255.255.224
no ip directed-broadcast
!
interface Serial1/0
description T3 Link to isp1
ip address 172.16.4.6 255.255.255.252
no ip directed-broadcast
encapsulation ppp
!
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