Re: Ignoring MED (BGP question)

Perhaps I was not clear then...

I am an ISP (AS12, R1, R2) and you are a client (AS34, R3, R4).
I, the ISP do not like the idea that you (the client) tell me how to route
packets on my network. I want to ignore MED you may send me from R3 or R4.

     AS12
R1----------R2
| |
| |
R4----------R3
     AS34

This is not a real life example, I am only extending a lab from my workbook.
In the lab I was asked to make sure that all traffic to AS34 uses link
R2-R3. The solution is to set metric higher than 0 on R4 toward R1. I am now
adding requirement to ignore this route manipulation and confgure
accordingly routers in AS12.

On 21 November 2010 22:21, Marko Milivojevic <markom_at_ipexpert.com> wrote:

> Just curious... What would be the reason to keep it if you are going
> to ignore it?
>
> --
> Marko Milivojevic - CCIE #18427
> Senior Technical Instructor - IPexpert
>
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> On Mon, Nov 22, 2010 at 03:16, Jack Router <pan.router_at_gmail.com> wrote:
> > Thanks for your answer but it does not answer my question. The question
> was
> > if it is possible to ignore a MED instead of setting metric=0.
> >
> > On 21 November 2010 20:29, Zack (Doc) <zack_at_tnan.net> wrote:
> >
> >> MED should only be compared (by default) when it's coming from the same
> AS.
> >> Why do you want to ignore it? Why is setting via RM not clean? I just
> >> told my carrier to ignore my MED (cause they are using
> >> "always-compare-med")
> >> and I told them to put this on their existing RM
> >>
> >> route-map CUSTOMER_X_INBOUND permit 1
> >> set metric=0
> >> continue
> >>
> >> It's just that easy.
> >>
> >> On Sun, Nov 21, 2010 at 17:20, Jack Router <pan.router_at_gmail.com>
> wrote:
> >>
> >> > Hello Experts,
> >> > How to ignore MED information received from neigbouring EBGP router ?
> I
> >> can
> >> > set metric = 0 via a route-map but this is not as clean as ignoring an
> >> > information would be
> >
> >
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Received on Sun Nov 21 2010 - 23:28:31 ART