If I remember from previous posts on this list, a particular IOS version is
required to let a router port to be a DHCP "client". It is something like
12.0(3)XKG ?? - but search the archives to be sure.
Don't know if a 4000 can handle that IOS anyway.
I think your simplest route would be to purchase a LinkSys Cable/DSL Router
and let it do it for you. (other manufacturers also have like machines).
Get the one port model, the WAN ethernet goes to the cable modem and the LAN
ethernet goes to your router.
Very easy box to set up. I use two, one for cable and one for DSL.
Kevin Wigle
----- Original Message -----
From: "Tim Roberts"
To:
Sent: Saturday, 21 April, 2001 17:31
Subject: Cisco 4000 behind a cable modem [7:1498]
> I just had cable internet access installed. I want to put a 4000 (with a
> 6-port ethernet module) between the cable modem and my network. The cable
> service only does dynamic addressing at this point. Every few weeks, I
will
> get a new IP address. The IP address is grabbed by the PC not by the
cable
> modem. So in order to put the 4000 between the cable box and my network,
I
> will need one of the ethernet ports to grab an IP from the DHCP server. I
> cannot remember if there is a way to make an ethernet port do this. Can
> someone help me out with this or recommend another way to perform this
task.
> Thanks
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