Thanks for all of the helpful tips. It turned out that someone had tidied
up an empty office and plugged two Ethernet wall ports into the same desktop
Ethernet switch - actually into the uplink and downlink of the same port.
In created a lot of broadcast packets and the HP and Xerox printers couldn't
handle the traffic.
From: Doug Nelson [mailto:[log in to unmask]]
Sent: Monday, February 11, 2008 5:12 PM
To: Laurence Bates
Cc: [log in to unmask]
Subject: Re: [MSUNAG] HP Jetdirect printers disconnecting
On Mon, Feb 11, 2008 at 01:02:07PM -0500, Laurence Bates wrote:
> We are seeing a lot of HP Jetdirect printers disconnecting from the
> today. It started this morning and many printers will only operate for a
> few minutes before they disconnect. Is anyone else seeing this? Any
Take a look at the network interface graphs for your building. It looks
something within the building network is generating a broadcast storm. The
broadcast traffic graphs show a constant broadcast rate averaging over 6,000
packets/sec since Friday noon.
Doug Nelson, Network Manager | [log in to unmask]
Academic Computing and Network Services | Ph: (517) 353-2980
Michigan State University | http://www.msu.edu/~nelson/