On Tue, 21 Mar 2006, Peter wrote:

--- Damian Gerow <[EMAIL PROTECTED]> wrote:

Thus spake Peter ([EMAIL PROTECTED]) [21/03/06 00:56]:
: Hi everyone.  I am troubleshooting a client (running OpenBSD 3.8)
who
: cannot connect to a Canadian cable provider (videotron.ca) with
: dhclient.  dhclient cannot find a dhcp server.  Is there anything
: special one needs to do besides 'dhclient <int>'?  The connection
is
: made instantly when win2k box is connected directly to the modem.

Was the Win2k box connected first?  Many (most?) Canadian cable
providers
cache the MAC address of the connected machine, and generally
speaking,
unplugging the cable modem for five minutes should re-set the cached
address
on their side.

Otherwise...  logs?

I did hear of the caching feature so I unplugged the power but only for
about 10 seconds.  Five minutes you say?

I don't see any logs being generated except for it not being able to
find a dhcp server.  On one occasion only did I see something to the
effect "accepted blah length not same as blah length."  Like what it
received was not the length of what is was supposed to receive.
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Yes, 5 minutes is the required amount of time to clear the cache on most cable modems I've worked with (Toshiba, 3com, Motorola, Terayon), 10 seconds will not do. Otherwise you could probably copy the MAC address off your win2k box and use that.

on win2k box: ipconfig /all
get the MAC address

on OpenBSD box:
# ifconfig fxp0 lladdr 11:22:33:44:55:66
(substituting real MAC and interface name)
# pkill dhclient
# dhclient fxp0

                -Matt-

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