From: Debbie Westall (dwestall@debbie.coxfiber.net)
Date: Sat Feb 04 2006 - 00:13:30 GMT-3
Chris,
Here is a working GLBP config. I have changed the IP addresses to private
nets for security reasons.
!
These routers are on the same LAN, 2 different ISPs to the Internet, both
routers running BGP.
!
ROUTER A
interface FastEthernet0/0
description Link to xxx
ip address 192.168.63.1 255.255.255.0
speed 10
half-duplex
glbp 10 ip 192.168.63.254
glbp 10 priority 254
glbp 10 preempt delay minimum 7
glbp 10 weighting 100 lower 95
glbp 10 authentication text xxx10
glbp 10 weighting track 2 decrement 20
glbp 10 forwarder preempt delay minimum 7
!
interface Serial0/0
description Link to xxx
ip address 192.168.1.1 255.255.255.252
no fair-queue
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
router bgp xxx
no synchronization
bgp log-neighbor-changes
network 192.168.63.0
neighbor 192.168.63.2 remote-as xxx
neighbor 192.168.63.2 route-reflector-client
neighbor 192.168.63.2 next-hop-self
neighbor 192.168.63.2 soft-reconfiguration inbound
no auto-summary
!
ROUTER B
interface Fastethernet0/0
ip address 192.168.63.2 255.255.255.0
speed 100
full-duplex
no cdp enable
glbp 10 ip 192.168.63.254
glbp 10 preempt delay minimum 7
glbp 10 weighting 100 lower 95
glbp 10 authentication text xxx10
glbp 10 weighting track 2 decrement 20
glbp 10 forwarder preempt delay minimum 7
!
interface Serial0/0
description xxx T-1 CONNECTION
ip address 192.168.60.206 255.255.255.252
encapsulation ppp
fair-queue 256 256 0
service-module t1 timeslots 1-24
!
router bgp xxx
no synchronization
bgp log-neighbor-changes
network 192.168.63.0
neighbor 192.168.60.205 remote-as xxx
neighbor 192.168.60.205 route-map xxx out
neighbor 192.168.63.1 remote-as xxxx
neighbor 192.168.63.1 soft-reconfiguration inbound
no auto-summary
!
On Tue, 31 Jan 2006, Chris Cole wrote:
> Hello all, has any one used GLBP with two ISP's. I have been looking for
> an good example, I have not found one yet. If any one has dealt with
> this? I have not used GLBP before so just putting out the feelers.
>
>
>
>
>
> Basically I have a remote site connected to two ISP's it's a MPLS WAN
> for both ISP's.
>
> Remote sites have two routers one for each ISP connection.
>
> Two data centers, each with a connection to both ISP's
>
> The LAN side is a flat segment with no layer 3 switch (I know).
>
>
>
> Thanks for any input.
>
>
>
>
>
> Chris Cole
>
> Senior Network Engineer
>
> CCIE# 10561 R&S
> ePlus Technology, an ePlus Company
> 13595 Dulles Technology Drive
> Herndon, Virginia 20171
> (703) 984-8031 (office)
> (703) 675-3029 (cell)
> ccole@eplus.com <mailto:ccole@eplus.com>
> www.eplus.com <http://www.eplus.com>
>
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