so looks like you have your answer after that display...
it tells EIGRP to use the received next hop rather than itself when the
routes are advertised to the spokes from the Tunnel0...
pretty cool...
-- Garry L. Baker "There is no 'patch' for stupidity." - www.sqlsecurity.com On Sat, Jul 31, 2010 at 7:10 PM, Taufik Kurniawan <ktaufik_at_gmail.com> wrote: > 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 Blogs and organic groups at http://www.ccie.netReceived on Sat Jul 31 2010 - 19:17:50 ART
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