From: nhatphuc (nhatphuc@gmail.com)
Date: Mon Dec 31 2007 - 10:23:57 ARST
See my answer below
Thanks
Phuc
On Dec 31, 2007 5:51 PM, Gary Duncanson <gary.duncanson@googlemail.com>
wrote:
> Hi Phuc,
>
> Have you tried restarting the ospf process or clear ip route on SW2?
SW2 and R1 run RIP and I tried "clear ip route *" on SW2
>
>
> Can SW2 receive these routes from somewhere other than R1 perhaps?
I don't think so because the next hop is from 163.1.18.1
>
>
> Gary
>
> ----- Original Message -----
> From: "nhatphuc" <nhatphuc@gmail.com>
> To: "Cisco certification" <ccielab@groupstudy.com>
> Sent: Monday, December 31, 2007 10:08 AM
> Subject: Can't filter prefix longer than 24 from OSPF to RIP
>
>
> > HI Group,
> >
> > Please help why I can't filter prefix longer than 24 redistributed into
> > RIP
> > from OSPF:
> >
> > This is my config:
> >
> > R1
> >
> > router rip
> > version 2
> > redistribute ospf 1 metric 1 route-map OSPF->RIP
> > passive-interface default
> > no passive-interface FastEthernet0/0
> > network 163.1.0.0
> > no auto-summary
> > !
> > ip forward-protocol nd
> > !
> > ip http server
> > no ip http secure-server
> > !
> > ip prefix-list NOT_LONGER24 seq 5 permit 0.0.0.0/0 le 24
> > !
> > route-map OSPF->RIP permit 10
> > match ip address prefix-list NOT_LONGER24
> >
> > DEBUG IP RIP on R1:
> >
> > *Dec 31 17:42:39.209: RIP: sending v2 update to 224.0.0.9 via
> > FastEthernet0/0 (163.1.18.1)
> > *Dec 31 17:42:39.209: RIP: build update entries
> > *Dec 31 17:42:39.209: 10.0.0.0/8 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 150.1.2.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 150.1.3.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 150.1.4.0/23 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 150.1.4.4/32 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 150.1.5.5/32 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 150.1.6.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 150.1.7.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 150.1.8.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.0.0/25 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.0.128/25 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.3.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.4.0/24 via 0.0.0.0, metric 1, tag 0
> > Rack1R1#
> > *Dec 31 17:42:39.209: 163.1.5.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.6.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.7.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.12.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.13.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.13.3/32 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.15.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.35.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.38.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.45.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.45.5/32 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 163.1.54.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: RIP: build update entries
> > *Dec 31 17:42:39.209: 163.1.57.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 192.10.1.0/24 via 0.0.0.0, metric 1, tag 0
> > *Dec 31 17:42:39.209: 204.12.1.0/24 via 0.0.0.0, metric 1, tag 0
> >
> > SW2 still see route longer than 24 from R1 (163.1.18.1)
> > SW2#
> > R 204.12.1.0/24 [120/1] via 163.1.18.1, 00:00:04, FastEthernet0/21
> > R 163.1.0.0/25 [120/4] via 163.1.18.1, 00:00:04, FastEthernet0/21
> > R 163.1.6.0/24 [120/1] via 163.1.18.1, 00:00:04, FastEthernet0/21
> > R 163.1.13.3/32 [120/4] via 163.1.18.1, 00:00:04, FastEthernet0/21
> > R 163.1.12.0/24 [120/1] via 163.1.18.1, 00:00:04, FastEthernet0/21
> > R 150.1.6.0/24 [120/4] via 163.1.18.1, 00:00:04, FastEthernet0/21
> > R 150.1.3.0/24 [120/4] via 163.1.18.1, 00:00:04, FastEthernet0/21
> > R 150.1.2.0/24 [120/1] via 163.1.18.1, 00:00:04, FastEthernet0/21
> > R 150.1.5.5/32 [120/4] via 163.1.18.1, 00:00:05, FastEthernet0/21
> > R 150.1.4.4/32 [120/4] via 163.1.18.1, 00:00:05, FastEthernet0/21
> >
> > Thanks
> >
> > Phuc
> >
> > _______________________________________________________________________
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