From: Mohamed (nmohamed@cisco.com)
Date: Mon May 03 2004 - 06:05:15 GMT-3
Hi all,
2nd try, can anyone help on this!!
Thanks
Mohamed.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Sergio Jimenez Arguedas
Sent: Friday, April 30, 2004 8:35 PM
To: ccielab@groupstudy.com
Subject: Fw: BGP MED Scenario!!!
Hi Group
Is someone able to help us, please?
Rgds,
Sergio Jiminez A.
----- Original Message -----
From: "Mohamed" <nmohamed@cisco.com>
To: "'Sergio Jimenez Arguedas'" <sejimenez@its.co.cr>;
<ccielab@groupstudy.com>
Sent: Friday, April 30, 2004 12:10 AM
Subject: RE: BGP MED Scenario!!!
> Hi,
> Sergio,
> Yeah, really I also don't know,hope someone would be able to help us..
>
>
> Thanks
> Mohamed.
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of Sergio Jimenez Arguedas
> Sent: Thursday, April 29, 2004 8:27 PM
> To: ccielab@groupstudy.com
> Subject: Fw: BGP MED Scenario!!!
>
>
> Hi,
>
> Mohamed, I really did it, but WITHOUT the route-map INT SFM Tx the
> prefix to Side with the eigrp metric.
>
> So, I got confused with that cmd (set metric-type internal) in BGP.
>
> Thanks,
> Sergio
>
>
> ----- Original Message -----
> From: "Mohamed" <nmohamed@cisco.com>
> To: "'Sergio Jimenez Arguedas'" <sejimenez@its.co.cr>;
> <ccielab@groupstudy.com>
> Sent: Thursday, April 29, 2004 12:56 AM
> Subject: RE: BGP MED Scenario!!!
>
>
> > Hi,
> > I got your question, sorry I couldnot spare time to do in OSPF!.
> >
> > SFM#sh ip route eigrp
> > 20.0.0.0/24 is subnetted, 1 subnets
> > D 20.1.1.0 [90/28416] via 25.25.25.26, 00:01:31,
FastEthernet3/6
> > 200.100.100.0/24 is variably subnetted, 2 subnets, 2 masks
> > D 200.100.100.0/24
> > [90/128512] via 25.25.25.26, 00:01:31, FastEthernet3/6
> > 201.100.100.0/24 is variably subnetted, 2 subnets, 2 masks
> > D 201.100.100.0/24
> > [90/128512] via 25.25.25.26, 00:01:31, FastEthernet3/6
> >
> > Note the metric on eigrp route-128512 for network 200.100.100.0/24
> >
> > Now -
> > SFM#sh run | b router bgp
> > router bgp 100
> > no synchronization
> > bgp log-neighbor-changes
> > network 200.100.100.0 <<<<<<<<<<<<<<<<
> > network 201.100.100.0 <<<<<<<<<<<<<<<<<
> > neighbor 25.25.25.26 remote-as 100
> > neighbor 99.99.99.2 remote-as 300
> > neighbor 99.99.99.2 route-map INT out
> > no auto-summary
> >
> > So here iam advertising network 200.100.100.0.
> >
> > Down---------------SFM-----------Side---------Up
> >
> > From down to sfm router,I run eigrp and down advertise 200.100.100.0
> > and 201.100.100.0 as eigrp routes to sfm router. I DON'T
> > REDISTRIBUTE EIGRP HERE!!!! In SFM. I advertise using network
> > command.I set a route-map to Side router. Now see what the route-map
> > is
> >
> >
> > ip as-path access-list 9 permit .*
> > route-map INT permit 10
> > match as-path 9
> > set metric-type internal
> > End
> >
> >
> > So BGP set the metric of the advertised routes 200.100.100.0 and
> > 201.100.100.0 to Side as Eigrp metric=128512 . Side#sh ip bgp BGP
> > table version is 78, local router ID is 213.1.4.1 Status codes: s
> > suppressed, d damped, h history, * valid, > best, i - internal
> > Origin codes: i - IGP, e - EGP, ? - incomplete
> >
> > Network Next Hop Metric LocPrf Weight Path
> > *> 200.100.100.0 99.99.99.1 128512 0 100 i
> > *> 201.100.100.0 99.99.99.1 128512 0 100 i
> > Side#
> >
> > I think it don't do anyother job than this!!
> >
> > Thanks
> > Mohamed.
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > Of Sergio Jimenez Arguedas
> > Sent: Wednesday, April 28, 2004 10:08 PM
> > To: ccielab@groupstudy.com
> > Subject: Fw: BGP MED Scenario!!!
> >
> >
> > Hi Mohamed,
> >
> >
> > I really understand that, but the doubt is the following,
> >
> > 172.16.0.0------RA-------------RB-------------RC-------------RD
> >
> >
> > Config RB
> >
> >
> > router bgp 1
> > netw 172.16.0.0
> > neighbor x.x.x.x remote-as 2
> >
> >
> > RBsi
> > Tx the prefix if it has a route of 172.16.0.0 in the routing table.
> > RB Rx the route from RA by ospf, So RB tx the prefix with the IGP
> > metric to RC without THE ROUTE-MAP with set metric-type internal.
> >
> >
> > Question: How can I use a route-map with set metric-type internal?
> >
> >
> > Thanks,
> >
> >
> > Sergio
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > ----- Original Message -----
> > From: "Mohamed" <nmohamed@cisco.com>
> > To: "'Sergio Jimenez Arguedas'" <sejimenez@its.co.cr>;
> > <ccielab@groupstudy.com>
> > Sent: Wednesday, April 28, 2004 1:20 AM
> > Subject: RE: BGP MED Scenario!!!
> >
> >
> > > I tried in my router,
> > >
> > > A----------B----------C---------D
> > >
> > > A,B are IBGP,running OSPF.
> > > B redistributing OSPF into BGP.
> > > C is EBGP of B.
> > > D is Ebgp of C
> > >
> > > Now in C,we get the metrics from B,bcoz C only reset the metric to
> > > zero. In D we don't get metric.
> > >
> > >
> > > Now if u put route-map and set metric-type int or even set origin
> > > igp,I don't get any mteric in D,bcoz MED is a optional
> > > Non-transitive attribute,which never passed to EBGP peers.
> > >
> > >
> > > Thanks
> > > Mohamed.
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> > > Behalf
>
> > > Of Sergio Jimenez Arguedas
> > > Sent: Wednesday, April 28, 2004 2:29 AM
> > > To: ccielab@groupstudy.com
> > > Subject: BGP MED Scenario!!!
> > >
> > >
> > > Hi Group,
> > >
> > > I have a question about BGP MED, the scenario is the following:
> > >
> > >
> > >
> > > --------------EB GP----------------------R4
> > > OSPF |
> > > |ibgp
> > > NETA
> > > ----------R1------------------------------R2------------EBGP------
> > > --
> > > --
> > > --
> > > -----
> > > -----R3-------------EBGP-----------------R5
> > >
> > >
> > > R1 Tx NETA to R2 by OSPF and R2 Tx NetA to R3/R4 by EBGP. R3 and
> > > R4 Rx
> >
> > > NETA with the IGP (OSPF) metric. When R3 Tx the route R5, R5 Rx
> > > the route with the metric 0. I understood it, but I have the
> > > following
> > > question:
> > >
> > >
> > > If I apply a route-map from R3 to R5 with set metric-type
> > > internal.......This would cause BGP routes to carry the internal
> > > IGP
>
> > > metric as the BGP MED?
> > >
> > > R3/R4 carried the IGP metric without a route-map in R2.
> > >
> > >
> > >
> > > Could you help me, please?
> > >
> > >
> > > Reference: HALABI Pag_340
> > >
> > >
> > >
> > > Rgds,
> > >
> > >
> > > Sergio Jiminez A.
> > >
> > > __________________________________________________________________
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