H323, VOIP, ports and nbar matching

From: Ben Holko (ben.holko@datacom.com.au)
Date: Tue Nov 27 2007 - 08:01:37 ART


Hey all,

"show ip nbar port-map h323" shows H323 as this:

port-map h323 udp 1300 1718 1719 1720 11720
port-map h323 tcp 1300 1718 1719 1720 11000 - 11999

however in lab solutions H323 is shown as TCP 1720, and UDP range 16384 - 32767

also, for questions such as "match VOIP traffic" is the above the intended solution with an access-list, or should I use:

!

class-map match-any VOIP

match protocol rtcp

match protocol rtp

!

Do we take the term "VOIP" to mean H323?

 

Ben



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