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Tuesday, January 13, 2009

Finding out port numbers with NBAR show commands

I had a filtering task that said to allow H323 Traffic to a specific vlan. Well...what ports does H323 use? I could not find it on the DocCD but I remembered a show command that will let us know:

R1#sho ip nbar port-map h323 
port-map h323 udp 1300 1718 1719 1720 11720 
port-map h323 tcp 1300 1718 1719 1720 11000 - 11999

Sweet!
posted by deadhead blues at 10:56 AM

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