IGRP
Daniel333
Member Posts: 2,077 ■■■■■■□□□□
in CCNA & CCENT
Well, you guessed it. I have started in on IGRP. And maybe I am confused about the autonomous system numbers...
I have a setup as follows
192.168.x.x 255.255.255.0
PC1
RouterA
RouterB
PC2
101.2
101.1--1.1
1.2
100.1
100.2
I set up IGRP with an AS of 100 on the routers and voila, it worked perfectly. Everyone could ping.
So I then "no router igrp 100" routerA and setup IGRP to use AS 101 on routerA. Waited 90 seconds, and weird. PC1 could still ping PC2! Why? I thought the AS numbers would not share information???
I have a setup as follows
192.168.x.x 255.255.255.0
PC1
RouterA
RouterB
PC2
101.2
101.1--1.1
1.2
100.1
100.2
I set up IGRP with an AS of 100 on the routers and voila, it worked perfectly. Everyone could ping.
So I then "no router igrp 100" routerA and setup IGRP to use AS 101 on routerA. Waited 90 seconds, and weird. PC1 could still ping PC2! Why? I thought the AS numbers would not share information???
-Daniel
Comments
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malcybood
Member Posts: 900 ■■■□□□□□□□
Some routing protocol changes require a reboot....
I had a similar issue with OSPF when I put a loopback address on my ospf configuration. It didn't pick up the change until I done a copy run start then "reload". After I done this it picked the loopback addresses in OSPF -
Daniel333
Member Posts: 2,077 ■■■■■■□□□□
Huh, saved and rebooted. Still works. I am betting it's something with the simulator.
I tried in with my real routers and it could not ping, as expected. Looks like a glitch in the Boston sim.
thanks!-Daniel