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Re: Proxy mode putting wrong interface IP in OLC message



This sounds exactly like the problem I was having.  Below is what
fixed it for me.

ExternalIP=my.dyndns.account
ExternalIsDynamic=1

You can ignore the Dynamic statement and just use an IP for ExternalIP
if you want.  Curious to see if that works.


On Thu, Mar 22, 2012 at 2:31 PM, Gabriel Georgescu <gabigeo@xxxxxxxxxxx> wrote:
>
> I'm sorry Abes, I hoped for a quick solution.
> It is odd that your other 3.0.1 box is not having this problem. Are you sure that the settings are identical?
>
> Regards,
> Gabriel
>
>
> On 20/03/2012 16:42, Abes Dabir wrote:
>
> Hi Gabriel,
>
> Thanks for the response.  The "192.168.53.1" address is the GnuGk private IP address.  The system running GnuGk is the gateway for the private network attached to it. 192.168.53.44 is the address of an endpoint on the private network that is being called.
>
> Abes
>
> On 12-03-20 04:17 AM, Gabriel Georgescu wrote:
>
> Hi,
>
> I think you should specify GnuGK's private IP address in Home not the gateway .1.
>
> Home=80.241.68.122,192.168.53.44,127.0.0.1
>
> Regards,
> Gabriel
>
>
> On 19/03/2012 23:40, Abes Dabir wrote:
>
> Hi,
>
> I'm noticing an issue in GnuGk 3.0.1 in Proxy mode that isn't there in
> 2.3.5.  My organization uses GnuGk for NAT traversal.  We run GnuGk on
> the NAT gateway box in Proxy mode so that it has one interface on the
> private network, and one on the public network.
>
> In a reproducible scenario:
>
> 1. A call comes in from the public Internet
> 2. GnuGk routes it to the proper endpoint on the private network
> (192.168.53.44)
> 3. When the private endpoint sends an OLC out, GnuGk re-writes the media
> control IP before sending it out the public interface, but, it puts the
> private network interface IP (192.168.53.1) in the outgoing message
> instead of the public interface IP (80.241.68.122).
>
> I swapped GnuGk 3.0.1 with 2.3.5, and the issue went away.  We have
> another GnuGk 3.0.1 box that is setup similar to the problematic one,
> with practically identical configuration, but the problem isn't present
> on it.  I would appreciate any help you could provide.  I've included
> our GnuGk configuration in this post.  I can also provide wireshark
> traces and GnuGk logs if needed.
>
> Thanks,
>
> Abes Dabir
>
>
>
> GnuGk configuration:
> -----------------------------
>
> [Gatekeeper::Main]
> Fourtytwo=42
> Name=MagorH323GK
> TimeToLive=100
> StatusPort=7000
> TraceLevel=3
> Home=80.241.68.122,192.168.53.1,127.0.0.1
> # TotalBandwidth=128000
> #
> # each G.723.1 call consume 1280 Bps.
>
>
> [RoutedMode]
> GKRouted=1
> H245Routed=1
> AcceptUnregisteredCalls=1
> AcceptNeighborsCalls=1
> CallSignalPort=1720
> CallSignalHandlerNumber=1
> RemoveH245AddressOnTunneling=1
> DropCallsByReleaseComplete=1
> SupportNATedEndpoints=1
> SupportCallingNATedEndpoints=1
> Q931PortRange=20000-20099
> H245PortRange=30000-30099
> SendReleaseCompleteOnDRQ=1
>
> [Proxy]
> Enable=1
> # InternalNetwork can be a comma separated, CIDR format, list
> InternalNetwork=192.168.53.1/255.255.255.0
> T120PortRange=40000-49999
> RTPPortRange=40000-49999
> ProxyForNAT=1
> ProxyForSameNAT=0
> ProxyAlways=1
>
> [RasSrv::LRQFeatures]
> NeighborTimeout=6
> ForwardHopCount=8
> AlwaysForwardLRQ=1
> IncludeDestinationInfoInLCF=1
> CiscoGKCompatible=1
>
> [RoutingPolicy]
> default=explicit,internal,enum,srv,dns
>
> [GkStatus::Auth]
> rule=explicit
> DelayReject=5
> 127.0.0.1=allow
>
> [LogFile]
> Rotate=Weekly
> RotateDay=Sun
> RotateTime=00:59
> Filename=/var/log/magor/gnugk/gnugk.log
>
> [PortNotifications]
> Q931PortOpen=/opt/magor/util/scripts/firewall/gnugk/open-pinhole-inbound-gnugk.sh
> %p %n %i
> Q931PortClose=/opt/magor/util/scripts/firewall/gnugk/close-pinhole-inbound-gnugk.sh
> %p %n %i
> H245PortOpen=/opt/magor/util/scripts/firewall/gnugk/open-pinhole-inbound-gnugk.sh
> %p %n %i
> H245PortClose=/opt/magor/util/scripts/firewall/gnugk/close-pinhole-inbound-gnugk.sh
> %p %n %i
> RTPPortOpen=/opt/magor/util/scripts/firewall/gnugk/open-pinhole-inbound-gnugk.sh
> %p %n %i
> RTPPortClose=/opt/magor/util/scripts/firewall/gnugk/close-pinhole-inbound-gnugk.sh
> %p %n %i
>
>
>
> ifconfig output:
> ---------------------
>
>
> eth0      Link encap:Ethernet  HWaddr b8:ac:6f:97:bd:df
>            inet addr:80.241.68.122  Bcast:80.241.68.123
> Mask:255.255.255.252
>            inet6 addr: fe80::baac:6fff:fe97:bddf/64 Scope:Link
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:45819933 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:42573664 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:1000
>            RX bytes:38553184779 (38.5 GB)  TX bytes:23574871690 (23.5 GB)
>            Interrupt:16 Memory:da000000-da012800
>
> eth1      Link encap:Ethernet  HWaddr b8:ac:6f:97:bd:e0
>            inet addr:192.168.53.1  Bcast:192.168.53.255  Mask:255.255.255.0
>            inet6 addr: fe80::baac:6fff:fe97:bde0/64 Scope:Link
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:42636374 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:45361672 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:1000
>            RX bytes:23556913740 (23.5 GB)  TX bytes:38301753151 (38.3 GB)
>            Interrupt:17 Memory:dc000000-dc012800
>
> lo        Link encap:Local Loopback
>            inet addr:127.0.0.1  Mask:255.0.0.0
>            inet6 addr: ::1/128 Scope:Host
>            UP LOOPBACK RUNNING  MTU:16436  Metric:1
>            RX packets:5140965 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:5140965 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:0
>            RX bytes:486955198 (486.9 MB)  TX bytes:486955198 (486.9 MB)
>
> Plus 3 OpenVpn tunnel interfaces
>
>
>
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>
>
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______________________
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AMDPower.com
http://www.amdpower.com

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