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EIGRP not installing routes
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Hi folks. I'm trying to get EIGRP up and running on my network because I need to load balance traffic between two subnets over a two un-equal cost links. Based upon some advice from this same forum, I setup a tunnel interface between my two routers which are already directly connected via a T-1. I needed the tunnel interface to form a virtual direction connection between routers over an SDSL based network. I believe I have setup EIGRP properly on both routers. The problem is that they are not learning and installing routes from each other. I was hoping to get some help. I'm not very learned with it comes to dynamic routing protocols. Here is the relevant information for both routers. Ignore the static routes. Even with the static routes removed, the routers are still not installing the EIGRP routes over the interfaces I described in the config. I'm sure I'm missing something small or overlooking a critical detail. Any help will be much appreciated.
#### Router-A #####
interface Tunnel0 bandwidth 8256 ip address 192.168.254.2 255.255.255.0 delay 2000 keepalive 10 3 tunnel source 192.168.192.240 tunnel destination 192.168.168.2 ! interface FastEthernet0/0 ip address 172.16.101.240 255.255.255.0 speed 100 full-duplex ! interface FastEthernet0/0.1 encapsulation dot1Q 400 ip address 192.168.192.240 255.255.255.0 no cdp enable ! interface Serial1/0 ip address 10.222.222.1 255.255.255.0 ! router eigrp 400 network 10.222.222.0 0.0.0.255 network 192.168.254.0 no auto-summary
1760-DFIS#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
C 192.168.192.0/24 is directly connected, FastEthernet0/0.1 172.16.0.0/24 is subnetted, 2 subnets S 172.16.3.0 is directly connected, Serial1/0 C 172.16.101.0 is directly connected, FastEthernet0/0 10.0.0.0/24 is subnetted, 1 subnets C 10.222.222.0 is directly connected, Serial1/0 C 192.168.254.0/24 is directly connected, Tunnel0 S 192.168.168.0/24 [1/0] via 192.168.192.2 1760-DFIS#sh ip eigrp interfaces IP-EIGRP interfaces for process 400
Xmit Queue Mean Pacing Time Multicast Pending Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes Se1/0 1 0/0 0 0/15 1027 0 Tu0 1 0/0 0 0/10 0 0 1760-DFIS#sh ip eigrp traffic IP-EIGRP Traffic Statistics for AS 400 Hellos sent/received: 35405/35399 Updates sent/received: 12/15 Queries sent/received: 1/0 Replies sent/received: 0/1 Acks sent/received: 7/4 Input queue high water mark 2, 0 drops SIA-Queries sent/received: 0/0 SIA-Replies sent/received: 0/0 Hello Process ID: 76 PDM Process ID: 75
1760-DFIS#sh ip eigrp toplogy ^ % Invalid input detected at '^' marker.
1760-DFIS#sh ip eigrp topology IP-EIGRP Topology Table for AS(400)/ID(192.168.254.2)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply, r - reply Status, s - sia Status
P 10.222.222.0/24, 1 successors, FD is 2169856 via Connected, Serial1/0 P 192.168.254.0/24, 1 successors, FD is 822016 via Connected, Tunnel0 1760-DFIS#sh ip eigrp topology 10.222.222.0 255.255.255.0 IP-EIGRP (AS 400): Topology entry for 10.222.222.0/24 State is Passive, Query origin flag is 1, 1 Successor(s), FD is 2169856 Routing Descriptor Blocks: 0.0.0.0 (Serial1/0), from Connected, Send flag is 0x0 Composite metric is (2169856/0), Route is Internal Vector metric: Minimum bandwidth is 1544 Kbit Total delay is 20000 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1500 Hop count is 0 192.168.254.240 (Tunnel0), from 192.168.254.240, Send flag is 0x0 Composite metric is (2681856/2169856), Route is Internal Vector metric: Minimum bandwidth is 1544 Kbit Total delay is 40000 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1476 Hop count is 1 1760-DFIS#sh ip eigrp neighbors IP-EIGRP neighbors for process 400 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num 1 10.222.222.2 Se1/0 14 16:49:47 1 4500 0 8 0 192.168.254.240 Tu0 10 16:49:48 1 4500 0 9
#### Router-B #### interface Tunnel0 bandwidth 8256 ip address 192.168.254.240 255.255.255.0 delay 2000 keepalive 10 3 tunnel source 192.168.168.2 tunnel destination 192.168.192.240 ! interface FastEthernet0/0 ip address 172.16.3.2 255.255.255.0 speed 100 full-duplex ! interface FastEthernet0/0.1 encapsulation dot1Q 400 ip address 192.168.168.2 255.255.255.0 ! interface Serial0/0 ip address 10.222.222.2 255.255.255.0 ! router eigrp 400 network 10.222.222.0 0.0.0.255 network 192.168.254.0 no auto-summary
DFIN-1760#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
S 192.168.192.0/24 [1/0] via 192.168.168.6 172.16.0.0/24 is subnetted, 2 subnets C 172.16.3.0 is directly connected, FastEthernet0/0 S 172.16.101.0 is directly connected, Serial0/0 10.0.0.0/24 is subnetted, 1 subnets C 10.222.222.0 is directly connected, Serial0/0 C 192.168.254.0/24 is directly connected, Tunnel0 C 192.168.168.0/24 is directly connected, FastEthernet0/0.1
DFIN-1760#sh ip eigrp topology IP-EIGRP Topology Table for AS(400)/ID(192.168.254.240)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply, r - reply Status, s - sia Status
P 10.222.222.0/24, 1 successors, FD is 2169856 via Connected, Serial0/0 P 192.168.254.0/24, 1 successors, FD is 822016 via Connected, Tunnel0 DFIN-1760#sh ip eigrp interfaces IP-EIGRP interfaces for process 400
Xmit Queue Mean Pacing Time Multicast Pending Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes Se0/0 1 0/0 0 0/15 50 0 Tu0 1 0/0 909 0/10 50 0 DFIN-1760#sh ip eigrp traffic IP-EIGRP Traffic Statistics for AS 400 Hellos sent/received: 35379/35369 Updates sent/received: 15/12 Queries sent/received: 0/1 Replies sent/received: 1/0 Acks sent/received: 4/7 Input queue high water mark 2, 0 drops SIA-Queries sent/received: 0/0 SIA-Replies sent/received: 0/0 Hello Process ID: 75 PDM Process ID: 74
DFIN-1760#sh ip eigrp topology 10.222.222.0 255.255.255.0 IP-EIGRP (AS 400): Topology entry for 10.222.222.0/24 State is Passive, Query origin flag is 1, 1 Successor(s), FD is 2169856 Routing Descriptor Blocks: 0.0.0.0 (Serial0/0), from Connected, Send flag is 0x0 Composite metric is (2169856/0), Route is Internal Vector metric: Minimum bandwidth is 1544 Kbit Total delay is 20000 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1500 Hop count is 0 192.168.254.2 (Tunnel0), from 192.168.254.2, Send flag is 0x0 Composite metric is (2681856/2169856), Route is Internal Vector metric: Minimum bandwidth is 1544 Kbit Total delay is 40000 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1476 Hop count is 1 DFIN-1760#sh ip eigrp neighbors IP-EIGRP neighbors for process 400 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num 1 192.168.254.2 Tu0 11 16:50:47 909 5000 0 8 0 10.222.222.1 Se0/0 12 16:50:47 1 3000 0 9
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Okay, after this post.. I got a revelation. I changed all the direct connect interfaces to the same classfull subnet. Then I deleted the static routes and the routing updates worked. I'm confused. Why did the interfaces have to be in the same Class B?
#### Router-A ###
interface Tunnel0 bandwidth 8256 ip address 172.16.254.1 255.255.255.0 delay 2000 keepalive 10 3 tunnel source 192.168.192.240 tunnel destination 192.168.168.2 ! interface FastEthernet0/0 ip address 172.16.101.240 255.255.255.0 speed 100 full-duplex ! interface FastEthernet0/0.1 encapsulation dot1Q 400 ip address 192.168.192.240 255.255.255.0 no cdp enable ! interface Serial1/0 ip address 172.16.222.1 255.255.255.0 ! router eigrp 10 variance 2 passive-interface FastEthernet0/0 network 172.16.0.0 auto-summary
1760-DFIS#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
C 192.168.192.0/24 is directly connected, FastEthernet0/0.1 172.16.0.0/24 is subnetted, 4 subnets C 172.16.254.0 is directly connected, Tunnel0 C 172.16.222.0 is directly connected, Serial1/0 D 172.16.3.0 [90/824576] via 172.16.254.2, 00:18:52, Tunnel0 C 172.16.101.0 is directly connected, FastEthernet0/0 S 192.168.168.0/24 [1/0] via 192.168.192.2
1760-DFIS#sh ip eigrp neighbors IP-EIGRP neighbors for process 10 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num 1 172.16.254.2 Tu0 10 00:19:41 8 200 0 4 0 172.16.222.2 Se1/0 14 00:19:41 8 200 0 5 1760-DFIS#sh ip eigrp interfaces IP-EIGRP interfaces for process 10
Xmit Queue Mean Pacing Time Multicast Pending Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes Se1/0 1 0/0 8 0/15 50 0 Tu0 1 0/0 8 0/10 50 0 1760-DFIS#sh ip eigrp topology 172.16.3.0 255.255.255.0 IP-EIGRP (AS 10): Topology entry for 172.16.3.0/24 State is Passive, Query origin flag is 1, 1 Successor(s), FD is 824576 Routing Descriptor Blocks: 172.16.254.2 (Tunnel0), from 172.16.254.2, Send flag is 0x0 Composite metric is (824576/28160), Route is Internal Vector metric: Minimum bandwidth is 8257 Kbit Total delay is 20100 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1476 Hop count is 1 172.16.222.2 (Serial1/0), from 172.16.222.2, Send flag is 0x0 Composite metric is (2172416/28160), Route is Internal Vector metric: Minimum bandwidth is 1544 Kbit Total delay is 20100 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1500 Hop count is 1
#### Router-B ####
interface Tunnel0 bandwidth 8256 ip address 172.16.254.2 255.255.255.0 delay 2000 keepalive 10 3 tunnel source 192.168.168.2 tunnel destination 192.168.192.240 ! interface FastEthernet0/0 ip address 172.16.3.2 255.255.255.0 speed 100 full-duplex ! interface FastEthernet0/0.1 encapsulation dot1Q 400 ip address 192.168.168.2 255.255.255.0 ! interface Serial0/0 ip address 172.16.222.2 255.255.255.0 ! router eigrp 10 variance 2 passive-interface FastEthernet0/0 network 172.16.0.0 auto-summary
DFIN-1760#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
S 192.168.192.0/24 [1/0] via 192.168.168.6 172.16.0.0/24 is subnetted, 4 subnets C 172.16.254.0 is directly connected, Tunnel0 C 172.16.222.0 is directly connected, Serial0/0 C 172.16.3.0 is directly connected, FastEthernet0/0 D 172.16.101.0 [90/824576] via 172.16.254.1, 00:21:32, Tunnel0 C 192.168.168.0/24 is directly connected, FastEthernet0/0.1 DFIN-1760#sh ip eigrp interfaces IP-EIGRP interfaces for process 10
Xmit Queue Mean Pacing Time Multicast Pending Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes Se0/0 1 0/0 149 0/15 751 0 Tu0 1 0/0 681 0/10 3406 0 DFIN-1760#sh ip eigrp neighbors IP-EIGRP neighbors for process 10 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num 1 172.16.222.1 Se0/0 14 00:21:46 149 894 0 4 0 172.16.254.1 Tu0 10 00:21:47 681 4086 0 3 DFIN-1760#sh ip eigrp topology 172.16.101.0 255.255.255.0 IP-EIGRP (AS 10): Topology entry for 172.16.101.0/24 State is Passive, Query origin flag is 1, 1 Successor(s), FD is 824576 Routing Descriptor Blocks: 172.16.254.1 (Tunnel0), from 172.16.254.1, Send flag is 0x0 Composite metric is (824576/28160), Route is Internal Vector metric: Minimum bandwidth is 8257 Kbit Total delay is 20100 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1476 Hop count is 1 172.16.222.1 (Serial0/0), from 172.16.222.1, Send flag is 0x0 Composite metric is (2172416/28160), Route is Internal Vector metric: Minimum bandwidth is 1544 Kbit Total delay is 20100 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1500 Hop count is 1
One other thing, is failover automatic between both paths now? Or is there something else I need to configure? Thanks!
Errol
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