| Author |
Connected Networks
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| pakora_man 2003-05-15, 2:32 am |
| Need some help..
When configuring rip v1 or igrp once you have enabled the protocol ie Router rip (IGRP). You need to configure your networks using the network command.
Say you have three routers A to B, B to C (basically the setup you will expect in the exam with one central router. If you setup router A will you use the network command to configure only networks that's directly connected to A, which will include B. Or will you also enter the network command for C as well.
I thought distance vector protocols only know each others neigbours.
This is hard to explain so I hope you guys understand. | |
| djmaplethorpe 2003-05-15, 11:55 am |
| I think the thing you need to remember is that RIP and IGRP both use classful addressing and that as long as those networks you are working with, in or under your control, usually start with the same network portion in their address. The only difference is that IGRP uses the AS number as well. I also think IMO if you are in a situation wher you are cascading routers you would want to use other routing protocols or if they are stubs you can us default or static routing.
Not sure if this helps or not. | |
| anchor40 2003-05-15, 12:52 pm |
| code:
"A" LAN--A===B===C--"C" LAN
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"B" LAN
is the network, right?
The thing to remember one each router configure the local networks, and let the routing protocol handle to advertisements, no matter what the routing protocol. | |
| pakora_man 2003-05-16, 2:23 am |
| Ok
Just the networks connected to that router only not the other routers networks even if different..
I've seen some Qs on testking simulations. It wanted you to advertise all networks which involved entering about five network commands on one router. The router had only two connected networks ???? | |
| kmartinkf 2003-05-19, 7:38 am |
| Let's keep this simple. On RouterA you only enter the networks for your ethernet ports and the serial port that connects to RouterB. You DO NOT enter RouterB's ethernet, RouterC's ethernet, or the serial connection between B and C.
The router will advertise the directly connected networks you specified in network command lines. You should not tell your router to advertise networks which are not directly connected to it.
To discover which networks are directly connected, enter the command "show ip route" in either user or priveleged mode. Each line that contains the letter "C" in the leftmost column indicates a directly connected network. | |
| pakora_man 2003-05-19, 12:00 pm |
| Thanks for your help. This is the way I've been reading out of Sybex book. I guess one testking simulation Q confused me. So TK must be wrong.. |
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