From: Edouard Zorrilla (ezorrilla@tsf.com.pe)
Date: Tue Jan 30 2007 - 09:27:46 ART
Thanks a lot Brad , Alex and everyone
Regards
----- Original Message -----
From: "Alex De Gruiter" <Alex.deGruiter@didata.com.au>
To: "Edouard Zorrilla" <ezorrilla@tsf.com.pe>; "Brad McConnell"
<bmcconne@rackspace.com>
Cc: <ccielab@groupstudy.com>; <security@groupstudy.com>
Sent: Monday, January 29, 2007 11:42 PM
Subject: RE: OSPF External Types
http://www.faqs.org/rfcs/rfc3092.html
In terms of the comments below, "foo" is any other routing protocol
existing on the router (including connected routes + static).
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Edouard Zorrilla
Sent: Tuesday, 30 January 2007 2:54 PM
To: Brad McConnell
Cc: ccielab@groupstudy.com; security@groupstudy.com
Subject: Re: OSPF External Types
Hello Brad,
Thanks for your answe, now when you say "redistribute foo subnets
metric-type 1", what does "foo" mean ?
Regards
----- Original Message -----
From: "Brad McConnell" <bmcconne@rackspace.com>
To: "'Edouard Zorrilla'" <ezorrilla@tsf.com.pe>
Cc: <ccielab@groupstudy.com>; <security@groupstudy.com>
Sent: Monday, January 29, 2007 9:26 AM
Subject: RE: OSPF External Types
> You basically have it. Since any route with an E prefix is external,
you
> know it was redistributed in. At the point of redistribution, if you
do
> "redistribute foo subnets metric-type 1" it will be an E1 route
instead of
> an E2 route throughout the OSPF domain.
>
> Why would you use this? Well, it depends on how you want traffic to
exit
> the OSPF domain. If you use E1 and redistribute from two different
ASBRs,
> the net effect is that your traffic uses the closest exit point from
the
> local OSPF domain. If you use E2, you're in more of a traffic
engineering
> scenario. Want to load balance? Redistribute in with the same metric
> from
> two points. Want to manually prefer one exit point over another?
> Redistribute in with a manually defined cost lower on one ASBR than on
the
> other.
>
> Hope that helps,
>
> Brad McConnell
> CCIE# 16147
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Edouard Zorrilla
> Sent: Monday, January 29, 2007 6:49 AM
> To: ccielab@groupstudy.com
> Cc: security@groupstudy.com
> Subject: OSPF External Types
>
> Hello There,
>
> I would like to know the difference between E1 and E2 (default)
external
> types
> ? For instance I know that OE1 add the internal cost of each link it
> crosses
> and OE2 does not. Let me know if there is something beyond this.
>
> Also, how can I change the default behaviour, I mean what can I do so
that
> I
> see in my routing table a E1 instead a E2 ? Any exaple would be
> appreciate.
>
> Regards
>
>
>
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