Re: Filter route from ospf

From: Fahad Khan (fahad.khan@gmail.com)
Date: Sun Aug 17 2008 - 09:46:51 ART

yes , you have to consider that (disbaling Sp ho) specially when running
eigrp over FR topology.

On 8/17/08, Mohamed Tandou <dtandou@gmail.com> wrote:
>
> Fahad,
> it is working fine now. one of my neighbor was missing no *ip
> split-horizon eigrp* . when i configured that everything start working
>
> Moh
>
>
> On Sun, Aug 17, 2008 at 5:43 AM, Fahad Khan <fahad.khan@gmail.com> wrote:
>
>> First tell me on with interface have you bound 11.11.114.4 and 11.11.45.4?
>>
>>
>>
>> On 8/17/08, Mohamed Tandou <dtandou@gmail.com> wrote:
>>
>>> Hello Expert,
>>>
>>> i got an issue may be you can help. i am running eigrp and ospf on R8. i
>>> did
>>> mutual redistribution between ospf and eigrp. now i want to filter only
>>> the
>>> following network so it will show up only in eigrp route not ospf route.
>>> but
>>> when i did it it does not show up in ospf nor in eigrp.
>>> here is my config
>>>
>>>
>>> router eigrp 200
>>> redistribute ospf 110
>>> passive-interface default
>>> no passive-interface Serial0/0
>>> network 11.11.4.4 0.0.0.0
>>> network 11.11.150.4 0.0.0.0
>>> default-metric 100000 100 250 100 1500
>>> no auto-summary
>>> eigrp router-id 11.11.4.4
>>> !
>>> router ospf 110
>>> router-id 11.11.4.4
>>> log-adjacency-changes
>>> redistribute eigrp 200 subnets
>>> passive-interface default
>>> no passive-interface FastEthernet0/0.14
>>> no passive-interface Serial0/1
>>> network 11.11.114.4 0.0.0.0 area 0
>>> network 11.11.45.4 0.0.0.0 area 4
>>> default-metric 55
>>> distribute-list 44 in Serial0/1
>>> !
>>>
>>> access-list 44 deny 11.11.55.0 0.0.0.255
>>> access-list 44 deny 11.11.44.0 0.0.0.255
>>> access-list 44 deny 11.11.22.0 0.0.0.255
>>> access-list 44 deny 11.11.35.0 0.0.0.255
>>> access-list 44 deny 11.11.65.0 0.0.0.255
>>> access-list 44 permit any
>>>
>>>
>>> ==========================================================================================================
>>> BEFORE FILTER
>>>
>>> R8#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
>>>
>>> 11.0.0.0/8 is variably subnetted, 14 subnets, 2 masks
>>> O IA 11.11.2.2/32 [110/129] via 11.11.114.1, 00:06:27, Serial0/1
>>> O 11.11.1.1/32 [110/65] via 11.11.114.1, 00:06:27, Serial0/1
>>> D 11.11.3.0/24 [90/2297856] via 11.11.100.3, 00:12:43, Serial0/0
>>> C 11.11.4.0/24 is directly connected, Loopback0
>>> O E2 11.11.55.0/24 [110/65] via 11.11.114.1, 00:06:27, Serial0/1
>>> O E2 11.11.6.0/24 [110/65] via 11.11.114.1, 00:06:27, Serial0/1
>>> O IA 11.11.12.0/24 [110/128] via 11.11.114.1, 00:06:27, Serial0/1
>>> C 11.11.14.0/24 is directly connected, Serial0/1
>>> O IA 11.11.44.0/24 [110/129] via 11.11.114.1, 00:06:27, Serial0/1
>>> O E2 11.11.22.0/24 [110/65] via 11.11.114.1, 00:06:27, Serial0/1
>>> D EX 11.11.30.0/24 [170/2195456] via 11.11.150.3, 00:06:26, Serial0/0
>>> C 11.11.40.0/24 is directly connected, FastEthernet0/0.14
>>> O E2 11.11.65.0/24 [110/65] via 11.11.114.1, 00:06:27, Serial0/1
>>> C 11.11.150.0/24 is directly connected, Serial0/0
>>>
>>>
>>> =====================================================================
>>>
>>> AFTER THE FILTER
>>>
>>>
>>>
>>>
>>> R8#sh ip route ospf
>>>
>>> 11.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
>>> O IA 11.11.2.2/32 [110/129] via 11.11.114.1, 00:26:30, Serial0/1
>>> O 11.11.1.1/32 [110/65] via 11.11.114.1, 00:26:30, Serial0/1
>>> O E2 11.11.6.0/24 [110/65] via 11.11.114.1, 00:26:31, Serial0/1
>>> O IA 11.11.12.0/24 [110/128] via 11.11.114.1, 00:26:31, Serial0/1
>>>
>>>
>>>
>>> R8#sh ip route eigrp
>>> 11.0.0.0/8 is variably subnetted, 14 subnets, 2 masks
>>> D 11.11.3.0/24 [90/2297856] via 11.11.150.3, 00:13:14, Serial0/0
>>> D EX 11.11.35.0/24 [170/2195456] via 11.11.150.3, 00:06:58, Serial0/0
>>>
>>>
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>>
>>
>>
>> --
>> *FAHAD KHAN
>>
>> BE Computer Systems NED,
>>
>> CCNA,CCDA,CCNP,FOUNDFE,CLSE,QOS,JNCIA,JNCIS,MCP,CCIE (Written)
>>
>> Systems Support Engineer, Premier Systems (Pvt) limited,
>>
>> Karachi, Pakistan
>>
>> 92-321-2370510.*
>
>
> 

-- 
*FAHAD KHAN

BE Computer Systems NED,

CCNA,CCDA,CCNP,FOUNDFE,CLSE,QOS,JNCIA,JNCIS,MCP,CCIE  (Written)

Systems Support Engineer, Premier Systems (Pvt) limited,

Karachi, Pakistan

92-321-2370510.*

Blogs and organic groups at http://www.ccie.net

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