From: Ahmed Mamoor Amimi (mamoor@xxxxxxxx)
Date: Fri Apr 05 2002 - 18:23:55 GMT-3
what about if i have learnt a route 1.1.1.0 from BGP and also this route
exist in my IGP but still BGP is
saying that it is not synced. what u will say for that.
Other please comment ..... may be my understanding is wrong.
-Mamoor
----- Original Message -----
From: Krucker, Louis <louis.krucker@sunrise.net>
To: 'Ahmed Mamoor Amimi ' <mamoor@ieee.org>; Krucker, Louis
<louis.krucker@sunrise.net>; '''Pascal Buyl ' ' '
<Pascal.Buyl@lin.vlaanderen.be>
Cc: ''''Peter van Oene ' ' ' ' <pvo@usermail.com>; <ccielab@groupstudy.com>
Sent: Sunday, April 07, 2002 12:57 AM
Subject: RE: BGP synch (sorry)
> From my understanding, no synch will disable only the check of the
> igp routing table for the incoming routes learned from bgp.
>
> I mean if i receive the prefix 212.90.201.0/24 my igp need also
> an entry for the same network in the igp routing table.
>
> All not synchronized routes will not be advertised to any external peers.
>
> Can you please give a short response to that statement?
>
> regards
> Louis
>
>
>
> -----Original Message-----
> From: Ahmed Mamoor Amimi
> To: Krucker, Louis; ''Pascal Buyl ' '
> Cc: '''Peter van Oene ' ' '; ccielab@groupstudy.com
> Sent: 05.04.2002 22:48
> Subject: Re: BGP synch (sorry)
>
> Yes !!
> after this command "no sync" router will not compare the router-id for
> OSPF
> and BGP for to be the same. it just install the route even if the IGP
> have
> have learnt from different router-id.
>
> -Mamoor
>
>
> ----- Original Message -----
> From: Krucker, Louis <louis.krucker@sunrise.net>
> To: 'Ahmed Mamoor Amimi ' <mamoor@ieee.org>; Krucker, Louis
> <louis.krucker@sunrise.net>; ''Pascal Buyl ' '
> <Pascal.Buyl@lin.vlaanderen.be>
> Cc: '''Peter van Oene ' ' ' <pvo@usermail.com>; <ccielab@groupstudy.com>
> Sent: Sunday, April 07, 2002 12:35 AM
> Subject: RE: BGP synch (sorry)
>
>
> > :-))
> >
> > I mean the comparing of the router IDs.
> >
> >
> >
> > -----Original Message-----
> > From: Ahmed Mamoor Amimi
> > To: Krucker, Louis; 'Pascal Buyl '
> > Cc: ''Peter van Oene ' '; ccielab@groupstudy.com
> > Sent: 05.04.2002 21:23
> > Subject: Re: BGP synch (sorry)
> >
> > no sync
> >
> > -Mamoor
> >
> > ----- Original Message -----
> > From: Krucker, Louis <louis.krucker@sunrise.net>
> > To: 'Pascal Buyl ' <Pascal.Buyl@lin.vlaanderen.be>; Krucker, Louis
> > <louis.krucker@sunrise.net>
> > Cc: ''Peter van Oene ' ' <pvo@usermail.com>; <ccielab@groupstudy.com>
> > Sent: Saturday, April 06, 2002 10:42 PM
> > Subject: RE: BGP synch (sorry)
> >
> >
> > > Is it possible to disable this nice feature?
> > >
> > > regards
> > > Louis
> > >
> > > -----Original Message-----
> > > From: Pascal Buyl
> > > To: Krucker, Louis
> > > Cc: 'Peter van Oene '; 'ccielab@groupstudy.com'
> > > Sent: 06.04.2002 19:18
> > > Subject: Re: BGP synch (sorry)
> > >
> > > Hey,
> > >
> > > There is an exception for OSPF&BGP: the bgp router ID of the next
> hop
> > in
> > > bgp
> > > must match the OSPF router ID of the next hop in OSPF (cfr. CCO).
> > >
> > > Cheers,
> > >
> > > Pascal
> > >
> > > "Krucker, Louis" wrote:
> > >
> > > > Hello Peter,
> > > >
> > > > No, not with ospf. Other Protocols like eigrp working fine.
> > > >
> > > > Did you have any idea?
> > > >
> > > > regards
> > > > Louis
> > > >
> > > > -----Original Message-----
> > > > From: Peter van Oene
> > > > To: Krucker, Louis
> > > > Sent: 06.04.2002 16:27
> > > > Subject: RE: BGP synch (sorry)
> > > >
> > > > Hi Louis,
> > > >
> > > > Did you get this working?
> > > >
> > > > At 10:48 PM 4/5/2002 +0200, you wrote:
> > > > >Yes all routers in Area 0. I dont understand what you mean(
> > > > >with It should only include r3 and R2.
> > > > >
> > > > >Can you please explain it?
> > > > >
> > > > >Thanks
> > > > >Louis
> > > > >
> > > > >-----Original Message-----
> > > > >From: Peter van Oene
> > > > >To: Krucker, Louis
> > > > >Sent: 05.04.2002 22:43
> > > > >Subject: RE: BGP synch (sorry)
> > > > >
> > > > >Does your ospf topology include all routers? It should only
> > include
> > > r3
> > > > >and
> > > > >r2.
> > > > >
> > > > >At 10:39 PM 4/5/2002 +0200, you wrote:
> > > > > >Please have a look at my topology, all routers running
> > > > > >bgp synch mode.
> > > > > >
> > > > > > AS5 AS3 AS3 AS1
> > > > > >
> > > > > > R5----R3------R2-----R1
> > > > > >
> > > > > >
> > > > > >All routers running OSPF Area0 but the domain is divided
> > > > > >in several AS.
> > > > > >
> > > > > >R5 Redistribute all ospf routes in bgp. R2 dont install all
> > routes
> > > > > >as *>, only those are directly connected.
> > > > > >The remaining bgp routes are shown up with * only.
> > > > > >
> > > > > >The big problem here is that R1 receives not all routes due
> synch
> > > > > >on R2.
> > > > > >
> > > > > >If i enter a static route, the network will synch.
> > > > > >
> > > > > >
> > > > > >Heres my rouing table.
> > > > > >
> > > > > >wg1r2#
> > > > > >wg1r2#sh ip rou
> > > > > >Codes: C - connected, S - static, I - IGRP, R - RIP, M -
> mobile,
> > B
> > > -
> > > > >BGP
> > > > > > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF
> inter
> > > > area
> > > > > > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external
> > > type
> > > > 2
> > > > > > E1 - OSPF external type 1, E2 - OSPF external type 2, E
> -
> > > EGP
> > > > > > i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia -
> > > IS-IS
> > > > >inter
> > > > > >area
> > > > > > * - candidate default, U - per-user static route, o -
> ODR
> > > > > > P - periodic downloaded static route
> > > > > >
> > > > > >Gateway of last resort is not set
> > > > > >
> > > > > > 129.45.0.0/16 is variably subnetted, 12 subnets, 3 masks
> > > > > >O E2 129.45.80.252/30 [110/3000] via 129.45.80.1, 00:06:36,
> > > > >Serial0/0.100
> > > > > >O E2 129.45.80.199/32 [110/5000] via 129.45.80.1, 00:06:36,
> > > > >Serial0/0.100
> > > > > >C 129.45.80.160/30 is directly connected, Serial0/1
> > > > > >D 129.45.80.104/29 [1/2195456] via 129.45.80.162,
> 01:16:15,
> > > > >Serial0/1
> > > > > >O IA 129.45.80.96/29 [110/84] via 129.45.80.1, 00:06:36,
> > > > >Serial0/0.100
> > > > > >O E2 129.45.80.88/29 [110/2000] via 129.45.80.1, 00:06:36,
> > > > >Serial0/0.100
> > > > > >C 129.45.80.80/29 is directly connected, TokenRing0/0
> > > > > >C 129.45.80.24/29 is directly connected, Ethernet0/0
> > > > > >O E2 129.45.80.16/30 [110/5000] via 129.45.80.1, 00:06:37,
> > > > >Serial0/0.100
> > > > > >O E2 129.45.80.12/30 [110/5000] via 129.45.80.1, 00:06:37,
> > > > >Serial0/0.100
> > > > > >O IA 129.45.80.8/30 [110/74] via 129.45.80.1, 00:06:37,
> > > > >Serial0/0.100
> > > > > >C 129.45.80.0/29 is directly connected, Serial0/0.100
> > > > > >wg1r2#
> > > > > >wg1r2#
> > > > > >wg1r2#
> > > > > >wg1r2#sh ip bgp
> > > > > >BGP table version is 20, local router ID is 129.45.80.3
> > > > > >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
> > > > > >*>i129.45.80.0/29 129.45.80.2 0 100 0 5
> ?
> > > > > >* i129.45.80.8/30 129.45.80.2 0 100 0 5
> ?
> > > > > >* i129.45.80.12/30 129.45.80.2 0 100 0 5
> ?
> > > > > >* i129.45.80.16/30 129.45.80.2 0 100 0 5
> ?
> > > > > >*>i129.45.80.24/29 129.45.80.2 791 100 0 5
> ?
> > > > > >*>i129.45.80.80/29 129.45.80.2 787 100 0 5
> ?
> > > > > >* i129.45.80.88/29 129.45.80.2 0 100 0 5
> ?
> > > > > >* i129.45.80.96/29 129.45.80.2 20 100 0 5
> ?
> > > > > >*>i129.45.80.104/29 129.45.80.2 6000 100 0 5
> ?
> > > > > >*>i129.45.80.160/30 129.45.80.2 6000 100 0 5
> ?
> > > > > >* i129.45.80.199/32 129.45.80.2 0 100 0 5
> ?
> > > > > >* i129.45.80.252/30 129.45.80.2 3000 100 0 5
> ?
> > > > > >wg1r2#
> > > > > >
> > > > > >regards
> > > > > >Louis
> > > > > >
> > > > > >
> > > > > >
> > > > > >-----Original Message-----
> > > > > >From: Peter van Oene
> > > > > >To: Krucker, Louis; 'ccielab@groupstudy.com'
> > > > > >Sent: 05.04.2002 22:25
> > > > > >Subject: Re: BGP synch (sorry)
> > > > > >
> > > > > >I believe that you need to match Peer ID's with OSPF
> advertising
> > > > > >routers. Is this the case in your topology? Are you
> reflecting
> > > > >routes?
> > > > > >
> > > > > >At 09:47 PM 4/5/2002 +0200, Krucker, Louis wrote:
> > > > > > >Hi all,
> > > > > > >
> > > > > > >I read the ospf/bgp topics this afternoon and set up a small
> > > > > > >bgp lab with 4 routers.
> > > > > > >
> > > > > > >The hole network running ospf, but i conf several AS.
> > > > > > >I have the same problem my bgp routes dont synch with ospf.
> > > > > > >
> > > > > > >The Networks are installed in the roupting table by ospf but
> > > > > > >bgp dont synch. If i enter a static route with the same
> Network
> > > > > > >and nexthop it will work. Router IDs are same on all boxes.
> > > > > > >Next hop self is configured correct.
> > > > > > >
> > > > > > >I try it out with eigrp....no problem everithing works fine.
> > > > > > >
> > > > > > >Does somebody have an idea?
> > > > > > >
> > > > > > >regards
> > > > > > >Louis
> > > > > >
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:57:57 GMT-3