Re: terminating multiple ISP Link

From: marc edwards <renorider_at_gmail.com>
Date: Mon, 23 Jul 2012 14:38:04 -0700

cough, PfR, cough

On Mon, Jul 23, 2012 at 2:06 PM, Jay McMickle <jay.mcmickle_at_yahoo.com>wrote:

> Narbik- we actually do load balancing through two carriers.
>
> We have a public /16 (that we only use a portion of for each Internet
> Gateway)
> and own our own AS number. But as you stated, it's not typical. ;)
>
> Regards,
> Jay McMickle- CCIE #35355 (RS), 3x CCNP (RS,Security,Design)
> Sent from my iPhone
>
> On Jul 23, 2012, at 4:36 PM, Narbik Kocharians <narbikk_at_gmail.com> wrote:
>
> > Typically you can not perform load balancing/sharing going through
> couple
> of different ISPs to get to a prefix in a totally different ISP, there is a
> hidden command that is not documented well, but you can use it with maximum
> paths to perform the task, the command is "BGP Bestpath as-path
> multipath-relax". But remember everything else needs to be identical for
> this
> to happen.
> >
> > On Mon, Jul 23, 2012 at 1:29 PM, Haroon <itguy.pro_at_gmail.com> wrote:
> > more details would help but im in the same boat, trying to figure out
> auto
> > switching to secondary connection if primary is down, so googled it up:
> >
> > https://supportforums.cisco.com/docs/DOC-8313
> >
> > mine is DSL and cable connection on same router (2811).
> >
> > On Mon, Jul 23, 2012 at 4:11 PM, Jay McMickle
> <jay.mcmickle_at_yahoo.com>wrote:
> >
> > > This can be done with a single router, but we'll need more info. When
> you
> > > mention load balancing, do you mean inbound, outbound, or both?
> > >
> > > The easiest answer is yes, one router, with the use of an exterior
> > > protocol like eBGP. You will have different mechanisms depending upon
> your
> > > requirements, but do take into consideration asymmetrical routing as
> well.
> > >
> > > Regards,
> > > Jay McMickle- CCIE #35355 (RS), 3x CCNP (RS,Security,Design)
> > > Sent from my iPhone
> > >
> > > On Jul 23, 2012, at 5:59 AM, Vishal Rane <vishal.rane_at_hotmail.co.in>
> > > wrote:
> > >
> > > > Hi
> > > >
> > > > I have Three Internet Link from different provider, can we terminate
> all
> > > the
> > > > link on same router and do load sharing for internet traffic.
> > > > Or
> > > > do I need any other hardware
> > > >
> > > > appreciate some feedback
> > > >
> > > > regards
> > > > Vishal
> > > >
> > > >
> > > > Blogs and organic groups at http://www.ccie.net
> > > >
> > > >
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> >
> >
> >
> >
> >
> >
> >
> >
> > --
> > Narbik Kocharians
> > CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> > www.MicronicsTraining.com
> > Sr. Technical Instructor
> > YES! We take Cisco Learning Credits!
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>
>
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Received on Mon Jul 23 2012 - 14:38:04 ART

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