[Asterisk-Users] Polycom Phones & shorter than /24 netmasks

Charlie Watts cwatts at mercurypay.com
Tue Jun 7 09:59:56 MST 2005


Interesting. I wonder if only classful things work.

I'll report back when I have more info. Thanks for the datapoint.

Chris Coulthurst wrote:
> I just assigned one yesterday in a 10.X.X.X network with a netmast of
> 255.0.0.0, and had no problems..FYI. 
> 
> Chris Coulthurst
> chris at shuksan.com
> 
>> -----Original Message-----
>> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
>> bounces at lists.digium.com] On Behalf Of Charlie Watts
>> Sent: Tuesday, June 07, 2005 9:25 AM
>> To: Asterisk Users Mailing List - Non-Commercial Discussion
>> Subject: [Asterisk-Users] Polycom Phones & shorter than /24 netmasks
>> 
>> Has anybody tried to use a Polycom phone (I have 500s and 600s) with
>> a netmask shorter than /24? (A network bigger than 255.255.255.0).
>> We've run out of IPs in our initial /24 network, and I'd like to
>> expand it to 255.255.248.0. 
>> 
>> When I set it to 255.255.248.0 I can ping the phone while the
>> bootloader has control. As soon as the SIP application starts, I
>> stop getting ping responses. Phone never registers.
>> 
>> 255.255.254.0 seems to work, 255.255.252.0 doesn't.
>> 
>> 
>> My printers, servers, desktops, switches ... Everything else is fine.
>> 
>> Comments?




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