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forwarding pot number

Hi all

(1)Pls i need someone to explain port forwarding i.e forwarding a udp port to a specific host .Can Natting be used ?

(2)Secondly what is SIP NAT traversal ?what is the effect of turning it off .

(3)I have natting configured on my router if i issue the following command ,will it affect the preconfigured natting ?the commands are

no ip nat service sip tcp port 5060

no ip nat service sip udp port 5060

(4) I learnt that Some IOS versions will even crash on SIP behind NAT. See

http://lists.digium.com/pipermail/asterisk-users/2004-January/033718.html.

pls go through this link and pls advise .

(5)which command can use in natting to forward udp port numbers ie

forward any udp to 192.168.1.2 Port 5060-5082

i use ciso 1700 series router

Thanks

1 REPLY
Bronze

Re: forwarding pot number

NAT is not an option because this would mean translating the actual destination address of the packet, thereby losing the information on which webserver the clients actually want to contact.

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