nanog mailing list archives

Re: Quick question about secondary addresses


From: Will Hargrave <will () harg net>
Date: Tue, 3 Aug 2004 11:12:29 +0100


On Fri, Jul 30, 2004 at 10:21:06AM -0700, Dan Lockwood wrote:

I'm in a debate with a guy over the use of 'ip address x.x.x.x s.s.s.s
secondary' on Cisco gear.  I seem to remember reading that the use of
secondary addresses is a bad idea, but I can't recall the details of
why.  Process switched?  Can anyone offer a resource or more specific
information?

One which hasn't been mentioned - DHCP will break horribly if the dhcp 
shared-subnets declarations don't match the multinetted subnets on the wire.


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