Re: no ip next-hop-self eigrp 90

sv9-2#sh run int tu0
Building configuration...

Current configuration : 308 bytes
!
interface Tunnel0
 ip address 192.168.1.1 255.255.255.0
 no ip redirects
 ip nhrp authentication cisco123
 ip nhrp map multicast dynamic
 ip nhrp network-id 1
 no ip split-horizon eigrp 90
 tunnel source FastEthernet0/0
 tunnel mode gre multipoint
 tunnel key 0
 tunnel protection ipsec profile cisco
end

sv9-2#sh ip ro
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

     1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
     2.0.0.0/24 is subnetted, 1 subnets
D 2.2.2.0 [90/297372416] via 192.168.1.2, 00:11:44, Tunnel0
     3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [90/297372416] via 192.168.1.3, 00:11:49, Tunnel0
     5.0.0.0/24 is subnetted, 1 subnets
D 5.5.5.0 [90/297372416] via 192.168.1.5, 00:11:34, Tunnel0
C 209.168.202.0/24 is directly connected, FastEthernet0/0
C 192.168.1.0/24 is directly connected, Tunnel0
sv9-2#

sv9-4(config-if)#do 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

     1.0.0.0/24 is subnetted, 1 subnets
D 1.1.1.0 [90/297372416] via 192.168.1.1, 00:10:53, Tunnel0
     2.0.0.0/24 is subnetted, 1 subnets
D 2.2.2.0 [90/310172416] via 192.168.1.1, 00:10:48, Tunnel0
     3.0.0.0/24 is subnetted, 1 subnets
C 3.3.3.0 is directly connected, Loopback0
     5.0.0.0/24 is subnetted, 1 subnets
D 5.5.5.0 [90/310172416] via 192.168.1.1, 00:10:38, Tunnel0
C 209.168.202.0/24 is directly connected, FastEthernet0/0
C 192.168.1.0/24 is directly connected, Tunnel0
sv9-4(config-if)#

sv9-3#sh ip ro
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

     1.0.0.0/24 is subnetted, 1 subnets
D 1.1.1.0 [90/297372416] via 192.168.1.1, 00:10:58, Tunnel0
     2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, Loopback0
     3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [90/310172416] via 192.168.1.1, 00:10:58, Tunnel0
     5.0.0.0/24 is subnetted, 1 subnets
D 5.5.5.0 [90/310172416] via 192.168.1.1, 00:10:48, Tunnel0
C 209.168.202.0/24 is directly connected, FastEthernet0/0
C 192.168.1.0/24 is directly connected, Tunnel0
sv9-3#

------------------------------------------------------------------------------------------------------------------

sv9-2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
sv9-2(config)#int tun0
sv9-2(config-if)#no ip nex
sv9-2(config-if)#no ip next-hop-self
% Incomplete command.

sv9-2(config-if)#no ip next-hop-self eigrp 90
sv9-2(config-if)#do sh ip ro
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

     1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
     2.0.0.0/24 is subnetted, 1 subnets
D 2.2.2.0 [90/297372416] via 192.168.1.2, 00:00:38, Tunnel0
     3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [90/297372416] via 192.168.1.3, 00:00:36, Tunnel0
     5.0.0.0/24 is subnetted, 1 subnets
D 5.5.5.0 [90/297372416] via 192.168.1.5, 00:00:38, Tunnel0
C 209.168.202.0/24 is directly connected, FastEthernet0/0
C 192.168.1.0/24 is directly connected, Tunnel0
sv9-2(config-if)#

sv9-4(config-if)#
*Mar 1 05:35:33.722: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 90: Neighbor
192.168.1.1 (Tunnel0) is down: Interface Goodbye received
*Mar 1 05:35:34.730: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 90: Neighbor
192.168.1.1 (Tunnel0) is up: new adjacency
sv9-4(config-if)#
sv9-4(config-if)#
sv9-4(config-if)#
sv9-4(config-if)#do sh ip ro
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

     1.0.0.0/24 is subnetted, 1 subnets
D 1.1.1.0 [90/297372416] via 192.168.1.1, 00:00:22, Tunnel0
     2.0.0.0/24 is subnetted, 1 subnets
D 2.2.2.0 [90/310172416] via 192.168.1.2, 00:00:22, Tunnel0
     3.0.0.0/24 is subnetted, 1 subnets
C 3.3.3.0 is directly connected, Loopback0
     5.0.0.0/24 is subnetted, 1 subnets
D 5.5.5.0 [90/310172416] via 192.168.1.5, 00:00:22, Tunnel0
C 209.168.202.0/24 is directly connected, FastEthernet0/0
C 192.168.1.0/24 is directly connected, Tunnel0
sv9-4(config-if)#

sv9-3#
*Mar 1 05:35:36.038: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 90: Neighbor
192.168.1.1 (Tunnel0) is down: Interface Goodbye received
*Mar 1 05:35:37.042: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 90: Neighbor
192.168.1.1 (Tunnel0) is up: new adjacency
sv9-3#
sv9-3#
sv9-3#sh ip ro
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

     1.0.0.0/24 is subnetted, 1 subnets
D 1.1.1.0 [90/297372416] via 192.168.1.1, 00:00:13, Tunnel0
     2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, Loopback0
     3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [90/310172416] via 192.168.1.3, 00:00:11, Tunnel0
     5.0.0.0/24 is subnetted, 1 subnets
D 5.5.5.0 [90/310172416] via 192.168.1.5, 00:00:11, Tunnel0
C 209.168.202.0/24 is directly connected, FastEthernet0/0
C 192.168.1.0/24 is directly connected, Tunnel0
sv9-3#

On 31 July 2010 19:04, garry baker <baker.garry_at_gmail.com> wrote:

> what does your routing table look like with and without the command?
>
> that should show you what it is doing if it is "working" or not...
>
> --
> Garry L. Baker
>
> "There is no 'patch' for stupidity." - www.sqlsecurity.com
>
>
> On Sat, Jul 31, 2010 at 6:57 PM, Taufik Kurniawan <ktaufik_at_gmail.com>wrote:
>
>>
>> https://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a008014bcd7.shtml
>>
>>
>> What is the purpose of " *no ip next-hop-self eigrp 90* " ? even if i
>> remove
>> ... still i got connectivity
>>
>> *interface Tunnel0
>> ip address 192.168.1.1 255.255.255.0
>> no ip redirects
>> ip mtu 1440
>> ip nhrp authentication cisco123
>> ip nhrp map multicast dynamic
>> ip nhrp network-id 1
>> no ip split-horizon eigrp 90
>> no ip next-hop-self eigrp 90
>> tunnel source FastEthernet0/0
>> tunnel mode gre multipoint
>> tunnel key 0
>> tunnel protection ipsec profile cisco*
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html

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Received on Sat Jul 31 2010 - 19:10:54 ART