cisco 2501 question

[phatcow]

Are the serial0 or serial1 interfaces required for the aui interfaces to work?

 

[bolomite]

What exactly do you mean? The AUI is for the connection to your network (Ethernet). The serial interfaces are for connections to other routers.

 

[phatcow]

my thing is, i cannot get a connection to my local area ethernet but none of the serials are in use right now.. shouldnt make a difference, right?


guess i have to find a console cable

 

[L3Guy]

There is a command to specify either the AUI or RJ45 interface on a 2500.

While it doesn't live in my head, its something like
>
>int e0
>media AUI

However, I remember it being the default.


you are correct: The serial ports have nothing to do with the ethernet.

HTH

Doug

 

[ImperialStormRaider]

Ok.

s0 (serial) is used to route to the next hop. Your AUI is the ethernet connection to your local network. When traffic is being sent to another network it will be received on the e0 (ethernet AUI) and e0 will read its route table and forward it out s0 if a route is found of course to the destination network. So in theory you dont need s0 but then your router is pretty useless cause it wont be routing.

Hook e0 up to your LAN. s0 connects to your other router to your other network or to a csu/dsu to a t1 or whatever your setup is.

If you have some other question you can email at rich4mexico@yahoo.com on configuration issues.

 

[ImperialStormRaider]

Check your configs...

router# conf t
Router (config)# int e0
Router (config-inte0)# no shutdown ( maybe your interface is adminstratively shutdown)

This will turn the interface on.

If your ethernet port (e0 or AUI) is directly connected to a PC you need to use a cross-over cable. If it is connected to a switch then you need a straight through cable.