[cisco-voip] IP Phone kills a DHCP Server
Wes Sisk
wsisk at cisco.com
Wed Jan 14 15:17:09 EST 2009
looks like a few folks have encountered this. at least one tracked down
to CSCef64461.
any chance you have a packet capture from the incident for further
information?
/wes
On Wednesday, January 14, 2009 2:25:43 PM, STEVEN CASPER
<SCASPER at mtb.com> wrote:
> Has anyone heard of any problems where an IP phone (7911 on 6.1.1b)
> takes down a DHCP server by flooding it with DHCP requests? Yesterday
> one of our DHCP servers went down The server event log indicated that
> the phone was continuously trying to renew it's DHCP lease. Once the
> phone was removed from the network all was well. Just wondering (and
> hoping) this was an isolated incident due to a bad phone. The phone
> firmware load is SCCP11.8-3-3SR2S
>
> Thanks!
> Steve
>
>
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