[c-nsp] Layer-2 Flapping log messages

[Robert Walton]

vrrp is being used, yes.... 

-----Original Message-----
From: Douglas M. Todd, Jr. [mailto:dtodd at partners.org]
Sent: 12 January 2005 19:10
To: 'Stephen Stuart'
Cc: 'Hudson Delbert J Contr 61 CS/SCBN'; Robert Walton;
cisco-nsp at 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:stuart at tech.org] 
	Sent: Wednesday, January 12, 2005 12:54 PM
	To: Todd, Douglas M.
	Cc: Hudson Delbert J Contr 61 CS/SCBN; Robert Walton;
cisco-nsp at 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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