From: Narbik Kocharians (narbikk@gmail.com)
Date: Wed Jun 13 2007 - 13:11:12 ART
Did you enter "bgp redistribute-internal" command?
On 6/13/07, Laurean Stefenel <laureans@hotmail.com> wrote:
>
> Hi Group
>
> I am testing redistribution between BGP and OSPF and I ran into a problem:
>
> I have 4 routers:
>
> R1-----R2----R3-----R4
>
>
> R1 - R2 is OSPF subnet 10.13.254.0/24
> R2 - R3 is IBGP subnet 10.254.1.0/24
> R3 - R4 is OSPF subnet 10.36.254.0/24
>
> When I redistribute BGP into OSPF on R2 or R3 the iBGP route doesn't show
> up
> into OSPF
>
> On R2 the 10.36.0.0 subnet never shows into OSPF database
>
> Looking for suggestions.
>
> Thanks,
> Laurean
>
>
> Attached the configuration into R2
>
> router ospf 11 log-adjacency-changes redistribute bgp 65000 subnets
> passive-interface FastEthernet1/0 network 10.13.254.250 0.0.0.0 area 0
> network
> 10.254.1.2 0.0.0.0 area 0
>
>
> router bgp 65000 no synchronization bgp log-neighbor-changes
> aggregate-address
> 10.13.0.0 255.255.0.0 summary-only redistribute ospf 11 route-map OSPF-BGP
> neighbor 10.254.1.3 remote-as 65000 neighbor 10.254.1.3route-reflector-client
> neighbor 10.254.1.3 next-hop-self distance bgp 20 80 200 no auto-summary
>
>
> R2#sh ip bgp BGP table version is 7, local router ID is 10.254.1.2Status
> codes: s suppressed, d damped, h history, * valid, > best, i - internal,
> r RIB-failure, S StaleOrigin codes: i - IGP, e - EGP, ? - incomplete
> Network Next Hop Metric LocPrf Weight Path*>
> 10.13.0.0/16 0.0.0.0 32768 is>
> 10.13.50.0/24
> 10.13.254.254 2 32768 ?s> 10.13.254.0/24 0.0.0.0
> 0 32768 ?*>i10.36.0.0/16 10.254.1.3
> 0 100 0
> i
>
> R2#sh ip routeCodes: C - connected, S - static, 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 i - IS-IS, su - IS-IS
> summary, 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 10.13.254.253 to network 0.0.0.0
> 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masksB
> 10.13.0.0/16
> [200/0] via 0.0.0.0, 00:15:07, Null0B 10.36.0.0/16 [20/0] via
> 10.254.1.3, 00:22:29O 10.13.50.0/24 [110/2] via 10.13.254.254,
> 00:20:00,
> FastEthernet0/0C 10.254.1.0/24 is directly connected,
> FastEthernet1/0C
> 10.13.254.0/24 is directly connected, FastEthernet0/0O*E2 0.0.0.0/0[110/1]
> via 10.13.254.253, 00:20:00, FastEtherne
>
> R2#sh ip ospf database
> OSPF Router with ID (10.254.1.2) (Process ID 11)
> Router Link States (Area 0)
> Link ID ADV Router Age Seq# Checksum Link
> count10.13.254.240 10.13.254.240 1528 0x80000004 0x00CD38
> 110.13.254.254 10.13.254.254 1547 0x80000002 0x002B56
> 210.254.1.2
> 10.254.1.2 1276 0x80000003 0x00D8FC 2
> Net Link States (Area 0)
> Link ID ADV Router Age Seq#
> Checksum10.13.254.254
> 10.13.254.254 1531 0x80000002 0x00687A
> Type-5 AS External Link States
> Link ID ADV Router Age Seq# Checksum Tag0.0.0.0
> 10.13.254.254 1606 0x80000001 0x001C63 1110.13.0.0
> 10.254.1.2
> 978 0x80000001 0x00A4EB 0
>
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-- Narbik Kocharians CCIE# 12410 (R&S, SP, Security) CCSI# 30832 Network Learning, Inc. (CCIE class Instructor) www.ccbootcamp.com (CCIE Training)
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