9 messages in net.nether.puck.cisco-nsp[c-nsp] Layer-2 Flapping log messages
FromSent OnAttachments
Robert WaltonJan 12, 2005 3:55 am 
Djerk GeurtsJan 12, 2005 4:18 am 
Hudson Delbert J Contr 61 CS/SCBNJan 12, 2005 11:22 am 
Todd, Douglas M.Jan 12, 2005 12:02 pm 
Stephen StuartJan 12, 2005 12:53 pm 
Douglas M. Todd, Jr.Jan 12, 2005 2:09 pm 
Stephen StuartJan 12, 2005 2:43 pm 
Arnold NipperJan 12, 2005 3:15 pm 
Robert WaltonJan 13, 2005 2:08 am 
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Subject:[c-nsp] Layer-2 Flapping log messages Actions...
From:Robert Walton (robe@FFastFill.com)
Date:Jan 13, 2005 2:08:25 am
List:net.nether.puck.cisco-nsp

vrrp is being used, yes....

-----Original Message----- From: Douglas M. Todd, Jr. [mailto:dto@partners.org] Sent: 12 January 2005 19:10 To: 'Stephen Stuart' Cc: 'Hudson Delbert J Contr 61 CS/SCBN'; Robert Walton; cisc@puck.nether.net Subject: RE: [c-nsp] Layer-2 Flapping log messages

Oops my bad - thx missed the first byte. This might help http://www.faqs.org/rfcs/rfc2338.html Possible two devices using vrrp?

==DMT>

________________________________

From: Stephen Stuart [mailto:stu@tech.org] Sent: Wednesday, January 12, 2005 12:54 PM To: Todd, Douglas M. Cc: Hudson Delbert J Contr 61 CS/SCBN; Robert Walton; cisc@puck.nether.net Subject: Re: [c-nsp] Layer-2 Flapping log messages

The address in question is a multicast address so it's very possible that two machines have the same multicast informtion.

?

Ethernet multicast addresses match the pattern (ether[0] & 1 != 0), and the Ethernet address in question, 00:00:5E:00:01:1C, has a first

byte of '00' - 00 & 1 = 0, (indicating a unicast Ethernet address).

Stephen

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