RE: ATM Back to back Question

From: Ian Henderson (ianh@chime.net.au)
Date: Sun Feb 06 2005 - 04:45:41 GMT-3


On Mon, 31 Jan 2005, Lee Donald wrote:

> From what I've been reading in the archives I can't use wic-1adsl interfaces
> for creating back to back connections, only the wic-1shdsl interfaces.

Correct.

> My only other option is a atm e1 card which I have in a 3600 which gives me
> 4 ports. Can I cable between port1 and port 2 for example, and create a pvc?
> Do I use a cross cable? It has rj45 ports.

You need to make an E1 crossover cable for this, but its not viable for a
lab anyway - a router by definition won't allow two interfaces on the same
subnet. If you had another card and router it would work fine.

I used two 7200s with OC3 ATM cards for the ATM labs. It doesn't do some
of the more exotic stuff (ILMI, SVC's, etc) but its a good start.

Rgds,

- I.

--
Ian Henderson CCNA, CCNP
Senior Network Engineer, Chime Communications


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