Two, three months from now we have decide to implement IP telephony on our LAN. Our LAN is IP tel ready all inline power and the latest hardware 6513 and 3548 and software releases. But we still don 't know what direction we will go with our IP addressing for IP telephony. Today we use Class C addresses for our PC ‘s (+/- 800) and separate VLAN according the location within our plant. Our intention is to use also CLASS C addresses for VVID and create different vlans for voice depending on the location within our plant. Is this a good idea or is it better to use class B addresses? Total no of phones is 700. What are advantages/disadvantages in class B or C for voice. E.g. 172.29.201.0/24 for servers and gateways, 172.29.205.0/24 for ADMIN to 172.29.210.0/24 for the last location.
I wouldn't recommend using private addressing unless you don't have the address space. While it may be more secure, you're making a very short term decision by doing so. You're making the assumption you'll never need to route this traffic which isn't realistic given the end game for all of this is 100% packet based telephony. Do you really want to be forced to nat or proxy all this stuff when we're getting IP pipes from ISP's for telephone calls?
I completely disagree with Cisco's design guide recommending you pursue this scheme. You're
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...