Re: Tag BGP external routes?

Micro is right - all routes will be taged with 999. The taging must be done
iwth a route-map. The tag command on a redistribution config will tag ALL
redistributed routes.

On Mon, Mar 22, 2010 at 10:50 AM, Mirco Orlandi <mirco.orlandi_at_gmail.com>wrote:

> Hi Ivan,
> using "tag" inside redistribution statement, you are setting tag 999 to all
> routes you are redistributing.
>
> To match the task requirement, you have to set tag 999 only to external
> eigrp routes
> On R1:
>
> route-map set-tag permit 10
> match route-type external
> set tag 999
>
> route-map set-tag permit 20
>
> router ospf 1
> redistribute eigrp 1 subnets route-map set-tag
>
>
>
> but..., if you prefere, you can set tag 999 inside statement and override
> the tag for non-external routers:
>
> route-map set-tag permit 10
> match route-type external
>
> route-map set-tag permit 20
> set tag 1
>
> router ospf 1
> redistribute eigrp 1 subnets tag 999 route-map set-tag
>
>
> I labbed it with Adv.IP.Svcs 12.4(15)T8
> I think first solution is more common, and clear.
>
> -mirco.
>
> On Mon, Mar 22, 2010 at 2:33 PM, Ivan Hrvatska <ivanzghr_at_gmail.com> wrote:
>
> > Tagging eBGP prefixes. Hmm...I see why are you confused. I'm also
> > confused. Cause when you redistribute BGP into EIGRP those prefixes
> > are external to EIGRP. After that you redistribute them into OSPF.
> > During that redistribution they will be tagged using match route-type
> > external no matter what protocol originates that prefixes...
> >
> > Well, let's just say that task is "tag all external BGP prefixes with
> > tag 999". ?
> >
> > On Mon, Mar 22, 2010 at 1:26 PM, Marc La Porte <marc.a.laporte_at_gmail.com
> >
> > wrote:
> > > Other question: do you mean tagging eBGP prefixes? Or prefixes which
> were
> > > redistributed into BGP?
> > >
> > > On Mon, Mar 22, 2010 at 13:04, Ivan Hrvatska <ivanzghr_at_gmail.com>
> wrote:
> > >>
> > >> How do you tag external BGP prefixes? Let's say you have two routers
> > >> in EIGRP domain. One router (R2) runs EIGRP and BGP with some peers.
> > >> Other router runs EIGRP and it is also ASBR OSPF router (R1). On R1
> > >> you redistribute EIGRP into OSPF and during redistribution you have to
> > >> tag BGP external routes with some tag. Is this enough:
> > >>
> > >> route-map MAP per 10
> > >> match route-type external
> > >>
> > >> route-map MAP per 100
> > >>
> > >> router ospf 1
> > >> redistribute eigrp 1 subnets tag 999 route-map MAP
> > >>
> > >> ??
> > >>
> > >>
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-- 
r/
Tammy
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