[Freeswitch-users] MultiNAT

Fri Jul 25 04:24:57 MSD 2014

See my other message for some comments on this... I am starting to 
suspect that you problem isn't with needing multiple external IPs..

In my setup (as described in the message before this) I set my external 
ip and rtp address to my 10.0.0.X address of FS then I make sure that 
the firewall does the appropriate translations based on which network 
the traffic is coming from.

As far as alias, I was referring to having a second IP address on the 
same network interface not in FS itself.

Paul

On 14-07-22 10:52 PM, Kurtis Heimerl wrote:
> Comments in line:
>
>
> On Tue, Jul 22, 2014 at 9:22 PM, Pasha <pasha at prosperity4ever.com 
> <mailto:pasha at prosperity4ever.com>> wrote:
>
>     The problem with that though (if I understand your scenario
>     correctly) is that even if there was a way to set external IP in
>     freeswitch in the dial plan you say that you only have 1 external
>     IP to deal with anyway, so what would you set your second IP to
>     for routing to work properly?
>
> There's only one actual IP on the box, but it's behind *two* different 
> NATs. Setting the ext-rtp/sip-ip to the appropriate NAT IP works for 
> both connections, but I need to make that dynamic.
>
>     In my mind what might work for you is if you create an alias to
>     your single network controller with the second IP that you need,
>     then if you have access to the firewall perform NAT so that if
>     connection comes in from external IP of vendor #1 on 5060 you
>     forward that to 5060 on internal IP 1 of your fresswitch box. If
>     call comes in on external IP of vendor #2 on 5060 you forward to
>     port 5060 of your internal IP #2 (alias on freeswitch box)...
>     that's for incoming...
>
>
> I'm not sure I understand this. Does a FS alias allow me to have 
> multiple IPs on the same box somehow?
>
>     I apologize if I didn't fully understand your scenario. I'm not
>     even sure why you're having a conflict in this case because your
>     providers are different, the only time you have an issue with
>     single external IP is if you're trying to setup a second trunk to
>     the same provider (most of them won't allow more than on trunk on
>     a single IP).
>
>
> It's a relatively simple, but apparently uncommon, case, I agree. My 
> issue sounds very similar to having multiple trunks to the same 
> provider in a way, but I have different external IPs for RTP and such 
> instead.
>
>     Paul
>
>
>     On 14-07-22 05:28 PM, Kurtis Heimerl wrote:
>>     I can't do that unfortunately. Our providers are hitting the
>>     generic SIP Port: 5060 so that's not available. Our system behind
>>     the two NATs has only one network interface, and as such only one
>>     available public IP. So we can't just set up a new profile. I can
>>     probably hack around this in another way (port forwarding through
>>     one of the NATs to allow a second profile on the same IP) but
>>     that's pretty ugly and unsustainable going forward. I'd much
>>     prefer to simply set the expected external IP in the outbound
>>     dialplan for each provider.
>>
>>
>>     On Tue, Jul 22, 2014 at 5:07 PM, Russell Treleaven
>>     <rtreleaven at bunnykick.ca <mailto:rtreleaven at bunnykick.ca>> wrote:
>>
>>         Either give them separate ip addresses or separate ports.
>>
>>
>>         Sent from my BlackBerry® PlayBook^(TM)
>>         www.blackberry.com <http://www.blackberry.com>
>>
>>         ------------------------------------------------------------------------
>>         *From:* "Kurtis Heimerl" <kheimerl at cs.berkeley.edu
>>         <mailto:kheimerl at cs.berkeley.edu>>
>>         *To:* "FreeSWITCH Users Help"
>>         <freeswitch-users at lists.freeswitch.org
>>         <mailto:freeswitch-users at lists.freeswitch.org>>
>>         *Sent:* 22 July, 2014 8:04 PM
>>         *Subject:* Re: [Freeswitch-users] MultiNAT
>>
>>         They all have to sit on the same internal IP and Port, so I
>>         don't think I can.
>>
>>
>>         On Tue, Jul 22, 2014 at 4:57 PM, Russell Treleaven
>>         <rtreleaven at bunnykick.ca <mailto:rtreleaven at bunnykick.ca>> wrote:
>>
>>             Hi Kurtis,
>>
>>             Why not make a separate profile for each provider?
>>
>>             Sent from my BlackBerry® PlayBook^(TM)
>>             www.blackberry.com <http://www.blackberry.com>
>>
>>             ------------------------------------------------------------------------
>>             *From:* "Kurtis Heimerl" <kheimerl at cs.berkeley.edu
>>             <mailto:kheimerl at cs.berkeley.edu>>
>>             *To:* "FreeSWITCH Users Help"
>>             <freeswitch-users at lists.freeswitch.org
>>             <mailto:freeswitch-users at lists.freeswitch.org>>
>>             *Sent:* 22 July, 2014 7:14 PM
>>             *Subject:* [Freeswitch-users] MultiNAT
>>
>>             Hey Users,
>>
>>             I have an interesting NAT setup. I'm running FS on the
>>             inside of our network as a router/proxy between some SIP
>>             phones and DID providers. However, each DID provider is
>>             behind a *different* NAT (a property of our VPN setups
>>             for them).
>>
>>             For instance: DID1 is at IP 192.168.1.1 and DID2 is at
>>             10.0.0.1.
>>
>>             I have calls working for each of them when I set the
>>             following in my external profile:
>>
>>             <param name="ext-rtp-ip" value="10.0.0.2"/>
>>             <param name="ext-sip-ip" value="10.0.0.2"/>
>>
>>             However, I need to dynamically route between *both* of
>>             them. I need a mechanism for setting ext-rtp-ip and
>>             ext-sip-ip in the dialplan itself!
>>
>>             Is there a set way to do this?
>>
>>             Thanks!
>>
>>             _________________________________________________________________________
>>             Professional FreeSWITCH Consulting Services:
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>>             http://www.freeswitchsolutions.com
>>
>>             
>>             
>>
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>>
>>         _________________________________________________________________________
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>>         http://www.freeswitchsolutions.com
>>
>>         
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>>
>>     _________________________________________________________________________
>>     Professional FreeSWITCH Consulting Services:
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>>     http://www.freeswitchsolutions.com
>>
>>     
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>>
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>
>
>     _________________________________________________________________________
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>     http://www.freeswitchsolutions.com
>
>     
>     
>
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