renewing dhcp lease early

[Mike McGrath]

You could try using dhclient.  If you happen to have another computer
and a hub laying around you could connect your ISP to the hub, one
computer (your ethereal computer) to the hub, let it get an address,
turn ethereal on.  Then connect another machine and use ethereal to
watch the traffic.  Or if you had a switch that can do port mirroring or
some such thing.

       -Mike

-----Original Message-----
From: fedora-list-bounces at redhat.com
[mailto:fedora-list-bounces at redhat.com] On Behalf Of Don Russell
Sent: Friday, March 18, 2005 11:03 PM
To: fedora-list at redhat.com
Subject: renewing dhcp lease early

Is there a way to force the dhcp renewal process early?

I'm having some troubles with my ISP and want to use ethereal to capture

the traffic during the renewal process.

I started ethereal and then did a "service network restart", but that 
caused ethereal to choke because it complained that the network stopped.

Specifically I'm trying to capture the traffic where the dhcp client 
talks to the dhcp server directly, not the broadcast traffic... the 
broadcast method all works, but I'm getting icmp 3/3 (port unreachable) 
back from the dhcp server...

Thanks for any tips.

Don

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