Re: BGP Loadsharing

From: Akber Ali Mirza (akberali.cisco@gmail.com)
Date: Sat Dec 20 2008 - 20:00:11 ARST


John -

My Questionhere is as follows below .

Internal Network 2 subnets----Internet Router ----connected to-------->ISPA
& ISP B service
Provider.
( ISP BW =2 mb each)

How do i perform Loadsharing using BGP on my internet router ?
( How both the links will be utilized by using BGP in this scenario )

Cheers!

On Sun, Dec 21, 2008 at 2:02 AM, John <jgarrison1@austin.rr.com> wrote:

> 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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>>
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