From: s p (johnniecanread@xxxxxxxxx)
Date: Fri Nov 16 2001 - 04:31:45 GMT-3
Dennis #6
You should issue command "router-id x.x.x.x" under
router ospf XXX, This command is fix the router id
with OSPF protocol...
Mr.polo
--- Dennis #6 <vacant@home.com> wrote:
> What are ways to overcome the issue of different
> RIDs between BGP and OSPF?
> I'm having a hard time with this one...
>
>
> Thanks,
>
> Dennis #6
>
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> Chua, Parry
> Sent: Thursday, November 15, 2001 8:26 PM
> To: Albert Lu; Nigel Roy
> Cc: ccielab@groupstudy.com
> Subject: RE: OSPF redistribution into BGP, no
> external routes shown.
>
>
> Hi,
>
> Check that it the route is in BGP table and it
> status.
> - show ip bgp
>
> If it is there but NOT best path ( ie * w/o > )
> then check the RID of the route,
> 1.show ip bgp 150.50.4.0
> 2.show ip ospf database
>
> Other thing such as summaration, route in Ip table
> as well.
>
> Parry Chua
> -----Original Message-----
> From: Albert Lu [mailto:albert_ccie@yahoo.com]
> Sent: Friday, November 16, 2001 5:06 AM
> To: 'Nigel Roy'
> Cc: ccielab@groupstudy.com
> Subject: RE: OSPF redistribution into BGP, no
> external routes shown.
>
>
> Nigel,
>
> That is correct, I'm trying to redistribute the
> connected loopback of
> 150.50.4.0 into OSPF and redistribute it into BGP.
>
> I'm sure that it must be ok for OSPF to redistribute
> it's external
> routes
> into BGP. In the real world, an AS would probably
> consist of more than 1
> routing protocol (eg. OSPF + EIGRP). If OSPF has the
> job of
> redistributing
> into BGP, then no EIGRP routes would be
> redistributed.
>
> That doesn't quite make sense for me, but please
> correct me.
>
> Thanks
>
> Albert
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> Nigel Roy
> Sent: Friday, November 16, 2001 1:29 AM
> To: ccielab@groupstudy.com
> Subject: Fw: OSPF redistribution into BGP, no
> external routes shown.
>
>
> Albert,
>
> From what I can gather you are trying to do the
> following:
>
> redistribute connected into OSPF and then from OSPF
> into BGP.
>
> Unfortunately the only routes that will get
> redistributed from OSPF
> into
> BGP
> are routes that have been learned by OSPF or have a
> network statement
> under
> the OSPF. They must also be the best route as per
> the IP routing
> table.
> You cannot get routes from one protocol to be
> redistributed into
> another
> and
> then forwarded onto a third protocol. This
> prevents the possibility of
> mutual redistribution causing routes be fed back
> into their originating
> protocol.
>
> regards
>
> Nigel
>
>
>
>
> ----- Original Message -----
> From: "Albert Lu" <albert_ccie@yahoo.com>
> To: <ccielab@groupstudy.com>
> Sent: Thursday, November 15, 2001 12:18 PM
> Subject: OSPF redistribution into BGP, no external
> routes shown.
>
>
> > Hello all,
> >
> > Does anyone know any reason why OSPF external
> routes would not
> redistribute
> > into BGP?
> >
> > Here's a section of the config, and the show ip
> ospf database. The
> ospf
> > > database shows that the connected route has been
> redistributed into
> OSPF
> > as
> > > External, but it seems like BGP won't accept
> this route when
> redistributed
> > > from OSPF.
> > >
> > > Thanks
> > >
> > > Albert
> > >
> > > interface Loopback0
> > > ip address 200.0.0.8 255.255.255.255
> > > !
> > > interface Loopback1
> > > ip address 150.50.3.8 255.255.255.0
> > > ip ospf network point-to-point
> > > !
> > > interface Loopback2
> > > ip address 150.50.4.8 255.255.255.0
> > > ip ospf network
> > >
> > > router ospf 8
> > > log-adjacency-changes
> > > redistribute connected metric-type 1 subnets
> route-map
> RM_150_50_4_Only
> > > passive-interface Loopback1
> > > network 150.50.3.0 0.0.0.255 area 0
> > > network 150.50.5.64 0.0.0.63 area 0
> > > !
> > > router bgp 65078
> > > bgp log-neighbor-changes
> > > bgp confederation identifier 200
> > > redistribute ospf 8 match internal external 1
> external 2 route-map
> O_IN_B
> > > neighbor 150.50.5.68 remote-as 65078
> > > no auto-summary
> > > !
> > > !
> > > access-list 10 permit 150.50.4.0
> > > access-list 10 permit 150.50.3.0
> > >
> > > route-map RM_150_50_4_Only permit 10
> > > match interface Loopback2
> > > !
> > > route-map O_IN_B permit 10
> > > match ip address 10
> > > !
> > >
> > >
> > > OSPF Router with ID (200.0.0.8) (Process
> ID 8)
> > >
> > >
> > > Router Link States (Area 0)
> > >
> > > Link ID ADV Router Age Seq#
> Checksum Link
> count
> > > 200.0.0.7 200.0.0.7 243
> 0x80000019 0xF97C 2
> > > 200.0.0.8 200.0.0.8 242
> 0x80000019 0x7B1C 3
> > >
> > > Type-5 AS External Link States
>
=== message truncated ===
This archive was generated by hypermail 2.1.4 : Fri Jun 21 2002 - 06:45:16 GMT-3