From: akyccie (akyccie@gmail.com)
Date: Tue Aug 12 2008 - 13:12:52 ART
Whenever you use the summary address it creates and route pointing to null0
in routing table. So pls try below router map
route-map OSPF->RIP permit 10
match ip interface Null0
-aky
----- Original Message -----
From: "Igor Manassypov" <imanassypov@rogers.com>
To: "Hong Chan" <howard.chan34@gmail.com>; "Huan Pham"
<Huan.Pham@peopletelecom.com.au>
Cc: "Igor Manassypov" <imanassypov@rogers.com>; <ccielab@groupstudy.com>
Sent: Tuesday, August 12, 2008 5:38 PM
Subject: Re: ospf->rip redistribution filtering with route-map
> under rip I am using a 'neighbor' command for unicast-updating...
>
> Hong Chan <howard.chan34@gmail.com> wrote: oh, I miss that and through it
> is another "network" statement
>
> 2008/8/12 Huan Pham
>
>> He has neighbor statement for RIP, mate :-)
>>
>> ------------------------------
>> *From:* Hong Chan [mailto:howard.chan34@gmail.com]
>> *Sent:* Tuesday, 12 August 2008 4:00 PM
>> *To:* Igor Manassypov
>> *Cc:* Huan Pham; ccielab@groupstudy.com
>> *Subject:* Re: ospf->rip redistribution filtering with RR
>>
>> Still cannot figure out the problem.
>> I suggest you to use the route-map to set the metric for the OSPF->RIP
>> route(s), eg., set metric 5, then see if the route-map leaks route or
>> not.
>> Moreover, I see the "passive-interface default" but I don't see any "no
>> passive-interface ex/x" under router rip. Is that normal to get the route
>> update from redistribution?
>>
>> 2008/8/12 Igor Manassypov
>>
>>> Here it goes, its a bit long but simple. I realize there are other
>>> options
>>> for accomplishing this, however I am puzzled why this setup is not
>>> working
>>> as expected. Out of curiosity, on a different testbench I setup a
>>> mirrored
>>> route-map from rip to ospf redistribution allowing just the summary, and
>>> that worked perfectly. I am wondering if RIP is behaving differently
>>> with
>>> route-maps?!!
>>>
>>> Router R1 is connected to BB1. R1 is running both ospf and rip, and BB1
>>> is
>>> running only rip.
>>>
>>> Here is the config on R1:
>>>
>>> router rip
>>> version 2
>>> redistribute ospf 77 metric 1 route-map OSPF->RIP
>>> passive-interface default
>>> network 150.1.0.0
>>> neighbor 150.1.1.254
>>> no auto-summary
>>>
>>> router ospf 77
>>> router-id 77.77.1.1
>>> log-adjacency-changes
>>> area 167 virtual-link 77.77.7.7
>>> redistribute rip subnets route-map RIP->OSPF
>>> network 77.77.1.1 0.0.0.0 area 1
>>> network 77.77.12.1 0.0.0.0 area 1
>>> network 77.77.17.1 0.0.0.0 area 167
>>> network 77.77.21.1 0.0.0.0 area 1
>>> neighbor 77.77.21.2
>>> neighbor 77.77.12.2
>>>
>>> ip prefix-list SUMMARY seq 5 permit 77.0.0.0/8
>>> ip prefix-list SUMMARY seq 10 deny 0.0.0.0/0 le 32
>>> route-map OSPF->RIP permit 10
>>> match ip address prefix-list SUMMARY
>>> route-map OSPF->RIP deny 20
>>>
>>> R1#sh ip route
>>> Codes: 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 not set
>>>
>>> 77.0.0.0/8 is variably subnetted, 20 subnets, 3 masks
>>> C 77.77.1.0/24 is directly connected, Loopback0
>>> O IA 77.77.3.0/24 [110/76] via 77.77.17.7, 04:53:48, Ethernet0/0
>>> O IA 77.77.4.0/24 [110/13] via 77.77.17.7, 04:53:48, Ethernet0/0
>>> O IA 77.77.5.0/24 [110/13] via 77.77.17.7, 04:53:48, Ethernet0/0
>>> O 77.77.6.0/24 [110/12] via 77.77.17.7, 04:53:48, Ethernet0/0
>>> O 77.77.7.0/24 [110/11] via 77.77.17.7, 04:53:48, Ethernet0/0
>>> O 77.77.8.0/24 [110/12] via 77.77.17.7, 04:53:48, Ethernet0/0
>>> O 77.77.9.0/24 [110/12] via 77.77.17.7, 04:53:48, Ethernet0/0
>>> O 77.77.10.0/24 [110/12] via 77.77.17.7, 04:53:48, Ethernet0/0
>>> C 77.77.12.0/30 is directly connected, Serial1/0
>>> C 77.77.17.0/24 is directly connected, Ethernet0/0
>>> C 77.77.21.0/30 is directly connected, Serial1/1
>>> O IA 77.77.28.0/24 [110/12] via 77.77.17.7, 04:53:49, Ethernet0/0
>>> O 77.77.33.0/24 [110/11] via 77.77.17.7, 04:53:49, Ethernet0/0
>>> O IA 77.77.36.0/24 [110/75] via 77.77.17.7, 04:53:49, Ethernet0/0
>>> O 77.77.44.0/24 [110/11] via 77.77.17.7, 04:53:49, Ethernet0/0
>>> O IA 77.77.48.0/24 [110/12] via 77.77.17.7, 04:53:49, Ethernet0/0
>>> O IA 77.77.58.0/24 [110/12] via 77.77.17.7, 04:53:49, Ethernet0/0
>>> O 77.77.67.0/24 [110/11] via 77.77.17.7, 04:53:49, Ethernet0/0
>>> O IA 77.0.0.0/8 [110/11] via 77.77.17.7, 04:53:49, Ethernet0/0
>>> R 199.172.0.0/24 [120/1] via 150.1.1.254, 00:00:06, Ethernet0/1
>>> 150.100.0.0/24 is subnetted, 1 subnets
>>> R 150.100.1.0 [120/1] via 150.1.1.254, 00:00:06, Ethernet0/1
>>> 150.1.0.0/24 is subnetted, 1 subnets
>>> C 150.1.1.0 is directly connected, Ethernet0/1
>>> 150.250.0.0/24 is subnetted, 1 subnets
>>> R 150.250.1.0 [120/1] via 150.1.1.254, 00:00:06, Ethernet0/1
>>> 150.200.0.0/24 is subnetted, 1 subnets
>>> R 150.200.1.0 [120/1] via 150.1.1.254, 00:00:06, Ethernet0/1
>>>
>>>
>>> BB1#sh ip route rip
>>> 77.0.0.0/8 is variably subnetted, 20 subnets, 3 masks
>>> R 77.77.1.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.3.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.4.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.5.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.6.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.7.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.8.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.9.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.10.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.12.0/30 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.17.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.21.0/30 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.28.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.33.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.36.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.44.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.48.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.58.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.77.67.0/24 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>> R 77.0.0.0/8 [120/1] via 150.1.1.77, 00:00:01, Ethernet0/0
>>>
>>>
>>> *Hong Chan * wrote:
>>>
>>> I don't see any wrong with your configuration but the config can be
>>> simpler.
>>> For me, I won't use prefix list to deny the route but let the statement
>>> "route-map OSPF->RIP deny 20" to filter the routes.
>>>
>>> Pleae provide the show ip route in the rip & full configuration of the
>>> router to let us to see which router redistribute the ospf route into
>>> rip
>>> domain
>>>
>>> 2008/8/12 Huan Pham
>>>
>>>> I do not see any problem with your config.
>>>>
>>>> Please try "clear ip ospf process" on the router that do
>>>> redistribution,
>>>> to force the router to refresh routing table, and to apply the
>>>> route-map.
>>>>
>>>> It worked for me in similar cases. Let me know if that works for you.
>>>>
>>>> Alternatively, you can you "distribute-list out interface" under the
>>>> RIP
>>>> to filter traffic you send to the other RIP neighbor, and the interface
>>>> command "ip summary-address rip 77.0.0.0 255.0.0.0" to create summary
>>>> route.
>>>>
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>>>> Igor Manassypov
>>>> Sent: Tuesday, 12 August 2008 5:17 AM
>>>> To: ccielab@groupstudy.com
>>>> Subject: ospf->rip redistribution filtering with RR
>>>>
>>>> Hi Gang,
>>>>
>>>> Can someone please help me out with this scenario:
>>>>
>>>> - i have an ospf-rip redistribution, where ospf runs over my 77.x.x.x
>>>> network with a bunch of routes. I am trying to create a summary within
>>>> ospf, and redistribute only that summary to my rip process on same
>>>> router by means of a route map like follows:
>>>>
>>>> router rip
>>>> version 2
>>>> redistribute ospf 77 metric 1 route-map OSPF->RIP passive-interface
>>>> default network 150.1.0.0 neighbor 150.1.1.254 no auto-summary
>>>>
>>>> ip prefix-list SUMMARY seq 5 permit 77.0.0.0/8 ip prefix-list SUMMARY
>>>> seq 10 deny 0.0.0.0/0 le 32 !
>>>> route-map OSPF->RIP permit 10
>>>> match ip address prefix-list SUMMARY
>>>> route-map OSPF->RIP deny 20
>>>>
>>>>
>>>> After redistribution, within rip I still get the complete routing info
>>>> coming from ospf. Why would the above RR not stop the more specifics?!
>>>>
>>>> Thanks!!
>>>>
>>>>
>>>> Igor M., M.Eng, P.Eng
>>>> Network Architect
>>>>
>>>>
>>>> Blogs and organic groups at http://www.ccie.net
>>>>
>>>> _______________________________________________________________________
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>>>>
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>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>> Igor M., M.Eng, P.Eng
>>> Network Architect
>
>
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>
>
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>
>
> Igor M., M.Eng, P.Eng
> Network Architect
>
>
> Blogs and organic groups at http://www.ccie.net
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