FW: DHCPDECLINE messages question
Chuck Anderson
cra at WPI.EDU
Mon Oct 2 16:01:39 UTC 2006
On Mon, Oct 02, 2006 at 10:03:49AM -0400, Dennis Dufford wrote:
> We are receiving duplicate dhcp broadcasts because of a bug in the
> Cisco router code. We run Cisco routers in HSRP, but due to a code
> bug, the inactive HSRP router is also sending the dhcp broadcast.
> This is fixed in a later version, and we intend to upgrade. BTW:
> this has caused (a very few) problems in the past where, because two
> broadcasts were sent, and maybe the dhcp servers (or network) were
> busy, the failover server got a reply back to the client first, and
> the client ended up on the wrong address. We have a few very picky
> people who want the same IP every time. According to Murphy's law,
> it is these picky people who will observe this anomaly - and they
> did.
Routers running VRRP do this also, and I wouldn't classify it as a
bug.
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