From: darth router (darklordrouter@gmail.com)
Date: Sun Dec 21 2008 - 01:22:32 ARST
http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186a00800945bf.shtml
On Sat, Dec 20, 2008 at 5:48 PM, Akber Ali Mirza
<akberali.cisco@gmail.com>wrote:
> John-
>
> Thanks for the valuable input.
>
> Can you tell how do i go ahead for configuring BGP loadbalancing in the
> below scenario:-
>
>
> Internal Network--------->> Internet Router A ------------>>ISP A
> (10.1.1.0/24/ Internet Router B-------------->>ISP B
> 192.168.1.1.0/24)
> I want my 10.1.1.0 subnet to pass through only ISP A & 192.168.1.0 subnet
> to
> pass through ISP B.
>
> But If one ISP goes down traffic should be diverted to other traffic with
> out diversion.
>
> Also one major reason why i am looking for Loadbalancing with Service
> provider is
> for example latency towards ISP A is very high , then let me know what
> needs
> to be done form my end on the Internet Routers. IS there any way we can
> achieve this with out any changes on BGP.
>
> Any scenario with commands would help me a lot
>
> Cheers!
>
>
>
>
> On Sun, Dec 21, 2008 at 5:38 AM, John <jgarrison1@austin.rr.com> wrote:
>
> > You could set the weight of the routes from both ISP's to the same value,
> > but obviously if ISP A has a route that ISP B doesn't than you'll get no
> > load sharing for that route
> > ----- Original Message ----- From: "Akber Ali Mirza" <
> > akberali.cisco@gmail.com>
> > To: "John" <jgarrison1@austin.rr.com>
> > Cc: <ccielab@groupstudy.com>
> > Sent: Saturday, December 20, 2008 4:00 PM
> >
> > Subject: Re: BGP Loadsharing
> >
> >
> > 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.
> >>>>>
> >>>>>
> >>>>
> >>>> Blogs and organic groups at http://www.ccie.net
> >>>>
> >>>>
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> >>>>
> >>>
> >>
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> >>
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>
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>
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