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Enable consistent NAT on Sonicwall?


Tuly

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Add another vote for check the box for enable consistent NAT.  From what we noticed, the older (several years that is) versions of the firmware did different things, so that is why sometimes you see conflicting docs.  Other things we do are:
-change the UDP timeout to 3600 (well, depending on how your phones are config'd)
-turn OFF sip alg
-set up bandwidth management and prioritize by IP or another method.

We've also noticed many times people will turn on QoS settings thinking that will prioritize, but if I recall all that really does is just select to leave existing tags on the packets or manually add 46 and such, but it does NOT do anything in the way of prioritizing.
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  • 4 months later...

sorry for bumping this, 

i need to turn OFF sip ALG, from the info i got here is that clicking the check enable consistent NAT Turns off ALG, but other websites say  that to turn off ALG it should not be checked, 

https://support.siteserver.com/kb/a109/sonicwall-disabling-sip-alg.aspx

http://www.surevoip.co.uk/support/wiki/troubleshooting:sip_alg:sonicwall

 

so what is it?

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  • 2 weeks later...
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