From: Victor Cappuccio (vcappuccio@gmail.com)
Date: Mon Mar 24 2008 - 14:55:06 ART
Ina&Laurean,
can you show us the output of the show run | in ip route
It seems to me that you have something like "ip route 0.0.0.0 0.0.0.0
10.1.9.254 254" in your R1 configuration
Can you please check this out
Thanks,
Victor Cappuccio
www.vcappuccio.wordpress.com
---------
R1(config-router)#do show ip route 0.0.0.0
Routing entry for 0.0.0.0/0, supernet
Known via "eigrp 100", distance 170, metric 2169856, candidate default
path, type external
Redistributing via eigrp 100
Last update from 1.1.13.3 on Serial1/1, 00:00:04 ago
Routing Descriptor Blocks:
* 1.1.13.3, from 1.1.13.3, 00:00:04 ago, via Serial1/1
Route metric is 2169856, traffic share count is 1
Total delay is 20000 microseconds, minimum bandwidth is 1544 Kbit
Reliability 255/255, minimum MTU 1500 bytes
Loading 1/255, Hops 1
R1(config-router)#do show ip route eigrp
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/2297856] via 1.1.13.3, 00:00:04, Serial1/1
D*EX 0.0.0.0/0 [170/2169856] via 1.1.13.3, 00:01:28, Serial1/1
R1(config-router)#do show ip route eigrp
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/2297856] via 1.1.13.3, 00:00:04, Serial1/1
D*EX 0.0.0.0/0 [170/2169856] via 1.1.13.3, 00:01:28, Serial1/1
R1(config-router)#exit
R1(config)#ip prefix-list X deny 0.0.0.0/0
R1(config)#ip prefix-list X permit 0.0.0.0/0 le 32
R1(config)#router eigrp 100
R1(config-router)#distribute-list prefix X in S1/1
R1(config-router)#do clear ip eigrp neigh
R1(config-router)#
*Mar 24 18:52:59.555: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 1.1.13.3(Ser
ial1/1) is down: manually cleared
R1(config-router)#
*Mar 24 18:53:00.587: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 1.1.13.3(Ser
ial1/1) is up: new adjacency
R1(config-router)#do show ip route
*Mar 24 18:53:02.271: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 1.1.13.3(Ser
ial1/1) is resync: route configuration changed
R1(config-router)#do show ip route eigrp
3.0.0.0/32 is subnetted, 1 subnets
D 3.3.3.3 [90/2297856] via 1.1.13.3, 00:00:04, Serial1/1
R1(config-router)#
On Mon, Mar 24, 2008 at 6:25 PM, Ina&Laurean <ina.laurean@gmail.com> wrote:
> Hi Group,
>
> I am working on a lab and one of the requirements is to filter a default
> route coming from a specific EIGRP neighbor, I tried different solutions
> but
> none of them work seem to work, the solution is using the distance command
> with neighbor EIGRP address and an access list.
>
> I've created a Lab with just two routers to test this and as you can see
> the
> default route is still into the routing table even though under the ip
> protocols shows that the distance is 255.
>
>
>
> Thanks,
>
> Laurean
>
>
>
> Bellow my configurations:
>
>
>
> R1-LAB#sh run | s eigrp
>
> router eigrp 236
>
> redistribute static metric 1000 10 255 1 1500
>
> network 192.168.253.0
>
> network 192.168.254.0
>
> no auto-summary
>
> deny eigrp any any
>
> R1-LAB#
>
>
>
> R1-LAB#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 10.1.9.254 to network 0.0.0.0
>
> 10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
>
> C 10.1.9.0/24 is directly connected, GigabitEthernet0/0
>
> S 10.1.6.5/32 [254/0] via 10.1.9.254, GigabitEthernet0/0
>
> C 192.168.254.0/24 is directly connected, Vlan1
>
> C 192.168.253.0/24 is directly connected, Loopback0
>
> D 192.168.252.0/24 [90/156160] via 192.168.254.2, 00:11:18, Vlan1
>
> S* 0.0.0.0/0 [254/0] via 10.1.9.254
>
> R1-LAB#
>
>
>
> R2-LAB#sh run | s eigrp
>
> router eigrp 236
>
> network 192.168.252.0
>
> network 192.168.254.0
>
> distance 255 192.168.254.1 0.0.0.0 1
>
> no auto-summary
>
>
>
> R2-LAB#sh run | s access-
>
> access-list 1 permit 0.0.0.0
>
>
>
> R2-LAB#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 192.168.254.1 to network 0.0.0.0
>
>
>
> 10.0.0.0/32 is subnetted, 1 subnets
>
> D EX 10.1.6.5 [170/2565120] via 192.168.254.1, 00:00:45, Vlan1
>
> C 192.168.254.0/24 is directly connected, Vlan1
>
> D 192.168.253.0/24 [90/156160] via 192.168.254.1, 00:00:45, Vlan1
>
> C 192.168.252.0/24 is directly connected, Loopback0
>
> D*EX 0.0.0.0/0 [170/2565120] via 192.168.254.1, 00:00:45, Vlan1
>
> R2-LAB#
>
>
>
> R2-LAB#sh ip protocols
>
> Routing Protocol is "eigrp 236"
>
> Outgoing update filter list for all interfaces is not set
>
> Incoming update filter list for all interfaces is not set
>
> Default networks flagged in outgoing updates
>
> Default networks accepted from incoming updates
>
> EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
>
> EIGRP maximum hopcount 100
>
> EIGRP maximum metric variance 1
>
> Redistributing: eigrp 236
>
> EIGRP NSF-aware route hold timer is 240s
>
> Automatic network summarization is not in effect
>
> Maximum path: 4
>
> Routing for Networks:
>
> 192.168.252.0
>
> 192.168.254.0
>
> Routing Information Sources:
>
> Gateway Distance Last Update
>
> 192.168.254.1 255 00:01:03
>
> Distance: internal 90 external 170
>
> Address Wild mask Distance List
>
> 192.168.254.1 0.0.0.0 255 1
>
>
>
> R2-LAB#
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
--
This archive was generated by hypermail 2.1.4 : Tue Apr 01 2008 - 07:53:54 ART