GLBP

Unanswered Question
Jun 24th, 2010
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Dears,


The following is my router configuration.


track 1 interface serial1/0 ip routing
!
track 2 interface serial1/0 line-protocol


nterface FastEthernet0/1
description *** Connected To Core 1 **
ip address 172.30.24.21 255.255.255.0
duplex auto
speed auto
glbp 10 ip 172.30.24.20
glbp 10 priority 2
glbp 10 preempt

glbp 10 weighting track 1
glbp 10 weighting track 2
glbp 10 weighting track 1
glbp 10 weighting track 2



and it is applied to bothe routers, but once if one of the  routers serial interface comes down the traffic still send to both routers.


How can i force the traffic to be sent to the router witch it is serial interface is up.


thanks..

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Ganesh Hariharan Thu, 06/24/2010 - 03:53
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Dears,


The following is my router configuration.


track 1 interface serial1/0 ip routing
!
track 2 interface serial1/0 line-protocol


nterface FastEthernet0/1
description *** Connected To Core 1 **
ip address 172.30.24.21 255.255.255.0
duplex auto
speed auto
glbp 10 ip 172.30.24.20
glbp 10 priority 2
glbp 10 preempt

glbp 10 weighting track 1
glbp 10 weighting track 2
glbp 10 weighting track 1
glbp 10 weighting track 2



and it is applied to bothe routers, but once if one of the  routers serial interface comes down the traffic still send to both routers.


How can i force the traffic to be sent to the router witch it is serial interface is up.


thanks..

Hi,


Try With the below configuration and share the results:-


interface Vlan1
ip address 10.183.0.121 255.255.255.128
ip nat inside
ip virtual-reassembly
ip route-cache flow
glbp 1 ip 10.183.0.126
glbp 1 weighting 100 lower 95
glbp 1 weighting track 1 decrement 10


With the above configuration  router is configured to a weight of 100. If the weight drops below 95, it will no longer forward act as a gateway for that LAN. The object tracking will decrement the weight value by 10, so that you put it at 90 and the router will stop forwarding traffic out.


Hope to Help !!


Ganesh.H


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amarmn1975 Thu, 06/24/2010 - 18:18
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Thank you for ur replay, so can I configure the second router as well with the same weight.

Thanks...

Ammar


Sent from my BlackBerry

Ganesh Hariharan Thu, 06/24/2010 - 23:05
User Badges:
  • Purple, 4500 points or more
  • Community Spotlight Award,

    Member's Choice, February 2016

Thank you for ur replay, so can I configure the second router as well with the same weight.

Thanks...

Ammar


Sent from my BlackBerry




Try With the below configuration on router 2 and share the results


Interface vlan1
interface Vlan1
ip address 10.183.0.122 255.255.255.128
ip nat inside
ip virtual-reassembly
ip route-cache flow
glbp 1 ip 10.183.0.126
glbp 1 priority 95
glbp 1 preempt delay minimum 30
glbp 1 weighting 100 lower 95
glbp 1 weighting track 1 decrement 10


Hope to Help !!


Ganesh.H


Remember to rate the helpful post

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