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<TITLE>Re: [cisco-voip] Phones rebooting</TITLE>
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<DIV id=idOWAReplyText10794 dir=ltr>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2>does this affect
7905's? and which version of CM? I'm getting ready to upgrade from
3.3.4 to 4.1.2.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>TIA</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Scott</FONT></DIV></DIV>
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<FONT face=Tahoma size=2><B>From:</B> cisco-voip-bounces@puck.nether.net on
behalf of Ryan Ratliff<BR><B>Sent:</B> Fri 1/28/2005 9:37 AM<BR><B>To:</B> Craig
Gauss<BR><B>Cc:</B> cisco VoIP<BR><B>Subject:</B> Re: [cisco-voip] Phones
rebooting<BR></FONT><BR></DIV>
<DIV>
<P><FONT size=2>I thought I responded to your earlier email but maybe I
didn't...<BR><BR>Span the port going to one of the 7912s and get a sniffer
capture for<BR>30 seconds or so while you are having the
resets.<BR><BR>Excessive broadcast or multicast traffic will cause all kinds of
issues<BR>with those phones (as well as ATAs). The symptoms include poor
voice<BR>quality and random resets.<BR><BR>-Ryan<BR>On Jan 28, 2005, at 12:23
PM, Craig Gauss wrote:<BR><BR>We are running all Cisco gear. Cisco Call
Manager connected directly to<BR>our 4507 Core switch, which in turn is
connected via fiber to the<BR>location with VoIP. That location has 2
Cisco 3550 switches.<BR><BR>-----Original Message-----<BR>From: Jared Mauch [<A
href="mailto:jared@puck.nether.net">mailto:jared@puck.nether.net</A>]<BR>Sent:
Friday, January 28, 2005 11:21 AM<BR>To: Craig Gauss<BR>Cc:
cisco-voip@puck.nether.net<BR>Subject: Re: [cisco-voip] Phones
rebooting<BR><BR>On Fri, Jan 28, 2005 at 11:06:02AM -0600, Craig Gauss
wrote:<BR>> Has anyone experienced random phone resets on Cisco 7912
phones? We<BR>> have several that just up and reboot for no apparent
reason. We have<BR>> our vendor working on it along with Cisco, but I
was just curious to<BR>> see if anyone else had experienced
it.<BR><BR> So, if you're not using
cisco switches, (ie:<BR>something to absorb those CDP packets), i've seen
issues.. esp if you<BR>have a 7920 on the same broadcast
domain..<BR><BR> the 7960's don't like
seeing cdp packets from anyone else. At<BR>least you can turn it off in
the 7920 in the hidden menus, and it
stays<BR>off.<BR><BR> something to
watch out for.. you may be able to configure your<BR>switch to blacklist/sink
the multicast mac address that the packets get<BR>sent
to.<BR><BR>
1:0:c:cc:cc:cc<BR><BR> -
jared<BR><BR>--<BR>Jared Mauch | pgp key available via finger from
jared@puck.nether.net<BR>clue++; | <A
href="http://puck.nether.net/~jared/">http://puck.nether.net/~jared/</A>
My statements are
only<BR>mine.<BR><BR>_______________________________________________<BR>cisco-voip
mailing list<BR>cisco-voip@puck.nether.net<BR><A
href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</A><BR><BR>_______________________________________________<BR>cisco-voip
mailing list<BR>cisco-voip@puck.nether.net<BR><A
href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</A><BR></FONT></P></DIV>
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