From: Thekkethala (thek@xxxxxxxxxxxx)
Date: Fri Nov 16 2001 - 04:54:06 GMT-3
adding to dennis's note
"bgp router-id <a.b.c.d> " under the bgp process
----- Original Message -----
From: "s p" <johnniecanread@yahoo.com>
To: "Dennis #6" <vacant@home.com>; <ccielab@groupstudy.com>
Sent: Friday, November 16, 2001 2:31 AM
Subject: RE: OSPF redistribution into BGP, no external routes shown.
> 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 ===
>
>
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