From: kasturi cisco (kasturi_cisco@hotmail.com)
Date: Sun Feb 23 2003 - 01:20:30 GMT-3
Syv,
Try eastblishing IBGP peer relaiotnship between R9 and and R7 and vice
versa. The routes should be learnt. Also what is the OSPF configs look
like on them ? R9 and R7 and also BGP configs of R7.
Hope the IBGP peering will help. Let us know how it goes.
Good Luck,[IMAGE]
Kasturi.
>From: Syv Ritch >Reply-To: Syv Ritch >To: "kasturi cisco" >Subject:
Re[2]: BGP Missing routes >Date: Sat, 22 Feb 2003 16:41:12 -0800 > >On
Saturday, February 22, 2003, kasturi cisco wrote: > >-----Original
Message----- >kc> Hi, > >kc> Can u show us the Configs on R9. also do u
have the >kc> routes in the IP table ? Also IBGP routes learnt from an
>kc> IBGP neighbour wont be fwded to another IBGP >kc> neighbour.so R3
which has 2 IBGP peers will be learning >kc> all routes but it wont hapen
on R9 and R7. > >kc> Show the configs on R9 and route table ? >
>TS-2512#sb router b >router bgp 65109 > bgp router-id 99.99.99.99 > bgp
cluster-id 174901191 > bgp log-neighbor-changes > network 10.108.199.0
mask 255.255.255.0 > neighbor ibgp peer-group > neighbor ibgp
update-source Loopback0 > neighbor ebgp peer-group > neighbor ebgp
ebgp-multihop 2 > neighbor ebgp update-source Loopback0 > neighbor
10.108.33.33 remote-as 65109 > neighbor 10.108.33.33 peer-group ibgp >
neighbor 10.108.55.55 remote-as 65110 > neighbor 10.108.55.55 peer-group
ebgp > neighbor 10.108.55.55 route-map in-traffic in > >TS-2512#b >BGP
table version is 6, local router ID is 99.99.99.99 >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 >*>i10.108.122.0/24 10.108.22.22 0 100 0 65110 i
>*>i10.108.133.0/24 10.108.33.33 0 100 0 i >* 10.108.155.0/24
10.108.55.55 5 0 65110 i >*>i 10.108.22.22 100 0 65110 i
>*>i10.108.166.0/24 10.108.22.22 100 0 65110 i >*> 10.108.199.0/24
0.0.0.0 0 32768 i >TS-2512#r >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
> > 1.0.0.0/32 is subnetted, 1 subnets >C 1.1.1.1 is directly connected,
Loopback99 > 10.0.0.0/24 is subnetted, 18 subnets >C 10.108.99.0 is
directly connected, Loopback0 >B 10.108.122.0 [200/0] via 10.108.22.22,
01:18:42 >O E1 10.108.66.0 [110/1865] via 10.108.3.33, 00:00:01, Serial0
>O E2 10.108.77.0 [110/20] via 10.108.3.33, 00:00:01, Serial0 >O E1
10.108.33.0 [110/70] via 10.108.3.33, 00:00:01, Serial0 >O E1 10.108.55.0
[110/70] via 10.108.7.55, 00:00:01, Serial1 >O IA 10.108.6.0 [110/1845]
via 10.108.3.33, 06:49:17, Serial0 >C 10.108.7.0 is directly connected,
Serial1 >O 10.108.4.0 [110/100] via 10.108.7.55, 06:49:32, Serial1 >O IA
10.108.5.0 [110/1885] via 10.108.7.55, 06:49:32, Serial1 > [110/1885] via
10.108.3.33, 06:49:32, Serial0 >O IA 10.108.2.0 [110/1835] via
10.108.3.33, 06:49:33, Serial0 >C 10.108.3.0 is directly connected,
Serial0 >O IA 10.108.1.0 [110/100] via 10.108.3.33, 06:49:33, Serial0 >O
E1 10.108.22.0 [110/120] via 10.108.7.55, 00:00:03, Serial1 >C
10.108.199.0 is directly connected, Loopback1 >B 10.108.166.0 [200/0] via
10.108.22.22, 01:18:44 >B 10.108.133.0 [200/0] via 10.108.33.33, 01:18:44
>B 10.108.155.0 [200/0] via 10.108.22.22, 01:18:44 >TS-2512# > > > > > >
> > > > >>From: Syv Ritch > > >>Reply-To: Syv Ritch > > >>To: > >
>>Subject: BGP Missing routes > > >>Date: Sat, 22 Feb 2003 11:03:45 -0800
> > >> > > >>Hi, > > >> > > >>I am missing some routes in BGP [sho ip
bgp]. > > >> > > >>The network is: > > >> > > >>R9 [65109] <--> R3
[65109] <--> R7 [65109] > > >>^ ^ ^ > > >>| | | > > >>v v v > > >>R5
[65110] <--> R2 [65110] <--> R6 [65110] > > >> > > >>R9 has 2 loopbacks:
10.108.99.99/24 and 10.108.199.199/24 > > >>R3 has 2 loopbacks:
10.108.33.33/24 and 10.108.133.133/24 > > >>and so on.. > > >> > > >>All
the routers peers through 99.99, 33.33 and so on.. > > >>Here is the
config for R3 > > >> > > >>router bgp 65109 > > >> bgp router-id
33.33.33.33 > > >> bgp cluster-id 174884229 > > >> bgp
log-neighbor-changes > > >> network 10.108.133.0 mask 255.255.255.0 > >
>> neighbor ibgp peer-group > > >> neighbor ibgp update-source Loopback0
> > >> neighbor ebgp peer-group > > >> neighbor ebgp ebgp-multihop 2 > >
>> neighbor ebgp update-source Loopback0 > > >> neighbor 10.108.22.22
remote-as 65110 > > >> neighbor 10.108.22.22 peer-group ebgp > > >>
neighbor 10.108.77.77 remote-as 65109 > > >> neighbor 10.108.77.77
peer-group ibgp > > >> neighbor 10.108.99.99 remote-as 65109 > > >>
neighbor 10.108.99.99 peer-group ibgp > > >>! > > >>All the other ones
are similar > > >> > > >> > > >>----------------------------------------
> > >>When doing a show ip bgp on R9, I am missing the network from R7 >
> >> > > >>BGP table version is 3, local router ID is 99.99.99.99 > >
>>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 > > >>* i10.108.122.0/24
10.108.22.22 0 100 0 65110 i > > >>* i10.108.133.0/24 10.108.33.33 0 100
0 i > > >>*> 10.108.155.0/24 10.108.55.55 0 0 65110 i > > >>* i
10.108.22.22 100 0 65110 i > > >>* i10.108.166.0/24 10.108.22.22 100 0
65110 i > > >>*> 10.108.199.0/24 0.0.0.0 0 32768 i > > >>TS-2512#7 > > >>
> > >> > > >>---------------------------------------- > > >>When doing a
show ip bgp on R7, I am missing the network from R9 > > >> > > >>BGP
table version is 3, local router ID is 77.77.77.77 > > >>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 > > >>* i10.108.122.0/24 10.108.22.22
0 100 0 65110 i > > >>* i10.108.133.0/24 10.108.33.33 0 100 0 i > > >>*
i10.108.155.0/24 10.108.22.22 100 0 65110 i > > >>* i10.108.166.0/24
10.108.22.22 100 0 65110 i > > >>*> 10.108.66.66 0 0 65110 i > > >>*>
10.108.177.0/24 0.0.0.0 0 32768 i > > >> > > >> > > >> > >
>>---------------------------------------- > > >>When doing a show ip bgp
on R3, I get all the routes that I am expecting > > >> > > >>BGP table
version is 5, local router ID is 33.33.33.33 > > >>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 > > >>*> 10.108.122.0/24 10.108.22.22
0 0 65110 i > > >>*> 10.108.133.0/24 0.0.0.0 0 32768 i > > >>*
i10.108.155.0/24 10.108.55.55 0 100 0 65110 i > > >>*> 10.108.22.22 0
65110 i > > >>*> 10.108.166.0/24 10.108.22.22 0 65110 i > > >>* i
10.108.66.66 0 100 0 65110 i > > >>* i10.108.177.0/24 10.108.77.77 0 100
0 i > > >>* i10.108.199.0/24 10.108.99.99 0 100 0 i > > >> > > >> > > >>
> > >> > > >>-- > > >>Thanks > > >>syv@911networks.com > > > > > > >kc>
MSN 8 with e-mail virus protection service: 2 months FREE* > > >--
>Thanks >syv@911networks.com >When the network has to work
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