EIGRP and Route Summarisation

Oh man! Ad-blocking software has been detected! :'(

This website is run by the community, for the community... and it needs advertisements in order to keep running. Blocking our ads means your killing our stats!
Please disable your ad-block, or become a premium member to hide all advertisements and this notice.

Hey peeps,

Got my big day tomorrow and got the day off for some extra cramming

Cant get my head round this last minute cram of mine;

I have the following loopback addresses on RouterA (to simulate networks)
172.168.8.0
172.168.9.0
172.168.10.0
172.168.11.0

topology is as follows:
RouterA --->Switch---->RouterB---->RouterC
Ethernet Ethernet Serial


Now:
RouterA#show ip route
Gateway of last resort is 0.0.0.0 to network 0.0.0.0

D 192.168.10.0/24 [90/284160] via 192.168.1.2, 00:21:45, Ethernet0/0
172.168.0.0/24 is subnetted, 4 subnets
C 172.168.8.0 is directly connected, Loopback8
C 172.168.9.0 is directly connected, Loopback9
C 172.168.10.0 is directly connected, Loopback10
C 172.168.11.0 is directly connected, Loopback11
C 192.168.1.0/24 is directly connected, Ethernet0/0

As you can see i have the loopbacks all setup and have added the relevant config to EIGRP

router eigrp 10
network 172.168.0.0
network 192.168.1.1 0.0.0.0
no auto-summary

Idea being i want summarise these updates via route Summarisation over EIGRP, now i have worked out what i need to advertise:

172.16.8.0 /22 will encompass the above networks, now this is where i get abit confused
I believe for me to do this i need to use the ip summary-address command at the interface level:


interface Ethernet0/0
description Connection to C2924M
ip address 192.168.1.1 255.255.255.0
no ip proxy-arp
ip nat inside
ip flow ingress
ip summary-address eigrp 10 172.16.8.0 255.255.252.0 5
half-duplex
hold-queue 100 out


But Router 2 + 3 still shows the routes individually:

Router2
C 192.168.10.0/24 is directly connected, FastEthernet0/0.10
172.168.0.0/24 is subnetted, 4 subnets
D 172.168.8.0 [90/156160] via 192.168.1.1, 00:30:13, FastEthernet0/0
D 172.168.9.0 [90/156160] via 192.168.1.1, 00:30:13, FastEthernet0/0
D 172.168.10.0 [90/156160] via 192.168.1.1, 00:30:13, FastEthernet0/0
D 172.168.11.0 [90/156160] via 192.168.1.1, 00:30:13, FastEthernet0/0

Router3
D 192.168.10.0/24 [90/2172416] via 192.168.2.1, 00:31:39, Serial0
172.168.0.0/24 is subnetted, 4 subnets
D 172.168.8.0 [90/2300416] via 192.168.2.1, 00:31:39, Serial0
D 172.168.9.0 [90/2300416] via 192.168.2.1, 00:31:39, Serial0
D 172.168.10.0 [90/2300416] via 192.168.2.1, 00:31:39, Serial0
D 172.168.11.0 [90/2300416] via 192.168.2.1, 00:31:39, Serial0


I have ran the clear ip route * but nothing....

What have i overlooked?

 

Oh man! Ad-blocking software has been detected! :'(

This website is run by the community, for the community... and it needs advertisements in order to keep running. Blocking our ads means your killing our stats!
Please disable your ad-block, or become a premium member to hide all advertisements and this notice.

Take a look at the ip addresses you assigned to the loopbacks, and the summary address you configured. I think you'll spot the problem ;)

Spice_Weasel

 

..... right i am calling it quits for today - my head hurts and i think i have reached saturation point!

Cheers mate

 

Just got back from the exam center with my PASS! ...i got my CCNA today! :0)
YYYYYY--AYE!!!!!

 

Major congrats! Hard work does pay off... again.

 

Congrats, well done!

Spice_Weasel

 

Congrats!

 

Well done.

It's nice to see someone obtaining the CCNA legitimately!

Qs

 

Many thanks everyone!
Dam, you just cant beat that "passing an exam" feeling - i'll be buzzing for days!

 

Congratulations!! Now get to work on that CCNP

 

Awesome work, well done!