From: Richard Geiger (geiger_rich@xxxxxxxxxxx)
Date: Sun Jun 10 2001 - 18:54:07 GMT-3
I'll keep this on my list, I will have to recreate the lab to see what the
issue was, thanx
>From: "Roman Rodichev" <rodic000@hotmail.com>
>To: geiger_rich@hotmail.com, ccielab@groupstudy.com
>Subject: Re: route tagging
>Date: Sun, 10 Jun 2001 16:52:02 -0500
>
>
>Rich, I didn't understand your response. Please elaborate on this.
>What error message are you talking about? You can use matching route tags
>when redistributing without a problem.
>
>For example, ---BGP--R1----OSPF---R2----OSPF----R3---BGP
>
>R1:
>router ospf 1
>redistribute bgp 2 tag 69
>R3
>router bgp 2
>redistribute ospf 1 route-map BLOCK_EXBGP
>route-map BLOCK_EXBGP deny 10
>match tag 69
>route-map BLOCK_EXBGP permit 20
>
>this works and this is so much easier than creating an access-list. One
>just needs to remember that you can't tag IGRP and RIP routes.
>
>>From: "Richard Geiger" <geiger_rich@hotmail.com>
>>To: rodic000@hotmail.com, ccielab@groupstudy.com
>>Subject: Re: route tagging
>>Date: Sun, 10 Jun 2001 16:02:57 -0500
>>
>>Becareful with this,
>>
>>You can use tags for changing information but because thet are examined at
>>the interface queue when they come in and go out you can not use them for
>>redisitribution purposes. Try it you'll see what I mean. It pops up with
>>a error message to this effect when you try to redist with a route-map
>>using a match command of tag.
>>
>>
>>>From: "Roman Rodichev" <rodic000@hotmail.com>
>>>Reply-To: "Roman Rodichev" <rodic000@hotmail.com>
>>>To: ccielab@groupstudy.com
>>>Subject: route tagging
>>>Date: Sun, 10 Jun 2001 15:47:50 -0500
>>>
>>>I was going to ask this question long time ago, but I keep forgetting. Is
>>>anybody using route tagging to prevent routing loops? Like when you have
>>>3
>>>BGP autonomous systems, the middle one runs OSPF, and you want to prevent
>>>exBGP routes to get redistributed back into BGP. I'm so used to using
>>>route
>>>tagging, and I think I will do that in the lab too (instead of matching
>>>ip
>>>address and maintaning growing access-lists).
>>>
>>>What is your opinion on this?
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:31:21 GMT-3