[cisco-voip] IP Addressing Scheme for IPT

Erik Erasmus (E) ErasmuE4 at telkom.co.za
Fri Mar 9 05:15:51 EST 2007


It is More common to allocate separate subnets - even separate vlans
per area for very large buildings for IPt users.
It is also a good idea to have a separate server vlan/s for IPt
servers like ccm, unity etc to create a nice trust boundary to make
the IPt servers more secure




Cisco has docs explaining the pros and cons and ways to use exuisting
addresses if one has to - think it is in the SRND for IP t


Erik Erasmus 

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of STEVEN CASPER
Sent: Friday, March 09, 2007 11:13 AM
To: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] IP Addressing Scheme for IPT

Hello all,
 We currently allocate subnets/IP addresses for voice VLANs from the
same 10.0.0.0 network as we allocate subnets for data VLANS. Is this a
common practice or is it more common to use a separate private address
space such as the 192 or 172 networks for voice VLANS and if so why?




Thanks!,

Steve Casper
Voice Technologies
M&T Bank
(410) 347-6026

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