Re: BGP Loadsharing

From: John (jgarrison1@austin.rr.com)
Date: Sat Dec 20 2008 - 18:32:38 ARST


You really don't provide enough information to answer the question. If your
running BGP as your igp you can set one of the appropriate community
attributes on both ingress routers and send-community to your ibgp peers.
As far as return paths that would depend on what your outside addresses are
and how their being advertised by your ISP's.

How does the internal network make routing decisions? You really don't want
router A or B making the load sharing desciscion, so unless you really are
running BGP as your igp your looking at the wrong solution
----- Original Message -----
From: "Akber Ali Mirza" <akberali.cisco@gmail.com>
To: <ccielab@groupstudy.com>
Cc: <akberali.cisco@gmail.com>
Sent: Saturday, December 20, 2008 12:47 PM
Subject: Re: BGP Loadsharing

> Hi Experts,
>
> Please provide your valubale help on the below query.
>
> Thanks ,
> Akber.
>
> On Sat, Dec 20, 2008 at 2:33 AM, Akber Ali Mirza
> <akberali.cisco@gmail.com>wrote:
>
>> Hi Experts,
>>
>> Please help me in configuring BGP Load balancing. { Sorry from Diverting
>> from the CCIE forum }
>>
>>
>> Scenario1:-
>> 192.168.1.0/24 Vlan 10 ------->
>> 10.0.1.0/24 Vlan 20 ------> both vlan levaraging CoreSwitch ----->
>> F/W ---> Internet Router -------> ISP A 2MB
>>
>> ------->
>> ISP B 2MB
>>
>> Scenario2:-
>> 192.168.2.0/24 Vlan 10 ------->
>> 10.0.2.0/24 Vlan 20 ------> both vlan levaraging CoreSwitch ----->
>> F/W ---> Internet Router A -------> ISP A 2MB
>>
>> Internet
>> Router B ------> ISP B 2MB
>>
>> Requirement:- How do i configure Load balancing using BGP for which both
>> my vlans should use Service Provider A& B on a Load Balancced purpose.
>> Please share me the best industry standards as well.
>>
>> Also please explain me how the return traiffc will reach into my network.
>>
>> Thanks in Advance!
>> Akber.
>
>
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