Re: How to set two GnuGKs to route full-proxied calls from different IP-zone?

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Hi,

I found the reason it is because of netowork configuration of my linux-PC, after I updated it now I can start multihomed GnuGK with "GKRouted=1", with the following parameters:
[Gatekeeper::Main]
Home=10.4.35.219,66.207.141.7
...

[RoutedMode]
GKRouted=1
H245Routed=1
...

[Proxy]
Enable=1
ProxyAlways=1
ProxyForNAT=0
ProxyForSameNAT=0


Regards,
Bo Xu















Hi,

in the testing I found:
if I put "GKRouted=1" in gatepeeker.ini, then I cannot start multiplehomed
GnuGK(with "Home=66.207.141.7,10.4.35.219")
if I remove "GKRouted=1" from gatepeeker.ini, then I can start
multiplehomed GnuGK(with "Home=66.207.141.7,10.4.35.219")

but if I remove "GKRouted=1" from gatepeeker.ini, because now the Q.931 is
not routed, so when EP-1 in IPSegment-1 calls EP-2 in IPSegment-2, I found
the following:
EP-1 send RAS-ARQ to GnuGK
GnuGK sent RAS-ACF back and indicate to use "direct" as "callModel", and
sent the IP:port of EP-2 to EP-1
then EP-1 calls EP-2 directly and the call is not routed at
all(Q.931/H.245/Media are not routed from wireshark)

I can do full-routed proxied-call on 1-NIC PC with the same gatekeeper.ini,
  but I cannot do full-proxied call on multihomed GnuGK because I removed "
GKRouted=1" from gatekeeper.ini now,  so could you tell me how to do
full-routed proxied-call if I set GnuGK as multihomed? Thanks!

Regards,
Bo Xu



Hi,

just want to let you know that I found if I comment "GKRouted=1" in
"[RoutedMode]", then I can start multihomed GnuGK as the following:
...
Home=66.207.141.7,10.4.35.219
...


the following is my gatekeeper.ini:

[Gatekeeper::Main]
Name=gnuGKlinux
Home=66.207.141.7,10.4.35.219
MulticastPort=1718
UnicastRasPort=1719
EndpointSignalPort=1720

[GkStatus::Auth]
rule=allow

[RoutedMode]
;GKRouted=1
H245Routed=1
CallSignalPort=1721
AcceptUnregisteredCalls=1
supportNATedEndpoints=1
AlwaysRewriteSourceCallSignalAddress=0
EnableH46018=1
H46018NoNat=1
CallSignalHandlerNumber=1
RtpHandlerNumber=1
Q931PortRange=20000-29999
H245PortRange=30000-39999

[Proxy]
Enable=1
ProxyAlways=1
ProxyForNAT=0
ProxyForSameNAT=0
T120PortRange=40000-49999
RTPPortRange=10000-59999
RTPMultiplexPort=3000
RTCPMultiplexPort=3001


Regards,
Bo Xu










Thanks for all your help!  yes now I am trying to start only one GnuGK
instance and config it as multihomed instead of starting multiple
instances.

I have a question about how to set the "Home=" parameter in gatekeeper.ini:
my GnuGK is from CVS and built in centOS6.4,  I have tried the following 4
syntax:
Home=10.4.35.219,66.207.141.7
Home=0.0.0.0
Home=
or without "Home=" parameter

but I always got the following error when I start GnuGK:
Assertion fail: Function pthread_mutex_destroy failed, file
ptlib/unix/tlibthrd.cxx, line 1693, Error=2

if I just set one of my two IPs(like Home=10.4.35.219) then GnuGK works
fine, so could you tell me how to set the "Home=" parameter to start
multihomed GnuGK? Thanks!

Regards,
Bo Xu





Hi,

Sébastien is right, routing between multiple IPs on the same machine
is GnuGk's default mode of operation.

Just a quick note on the Bind= switch: Use it as a last resort.
GnuGk will auto-detect the IPs on the server, so in many cases you don't
even need a Home= switch. If you want to restrict the IPs GnuGk is using,
set a Home=. But always try to get it working without a Bind= switch first.
I've seen Bind= break more configs that it fixed.

Regards,
Jan

-- 
Jan Willamowius, Founder of the GNU Gatekeeper Project
EMail  : jan@...
Website: http://www.gnugk.org
Support: http://www.willamowius.com/gnugk-support.html

Relaxed Communications GmbH
Frahmredder 91
22393 Hamburg
Geschäftsführer: Jan Willamowius
HRB 125261 (Amtsgericht Hamburg)
USt-IdNr: DE286003584


Sébastien Bonnaire wrote:
> Hi Bo Xu,
>
> Maybe i'm wrong, but to my opinion, you do not need to start two separated
> GnuGK, but simply one "multihomed" instance.
>
> This is my own setup to enable it :
> [Gatekeeper::Main]
> Fortytwo=42
> Name=GnuGk
> Home=1.2.3.4,192.168.0.254,10.1.3.4
> Bind=1.2.3.4
> [...]
>
>
> # the specify the behaviour of proxy :
> [Proxy]
> Enable=1
> InternalNetwork=192.168.0.0/24
>
> [ModeSelection]
> 192.160.0.0/24=PROXY,ROUTED
>
>
> Best Regards,
>
> Sebastien
>
> 2015-02-10 18:38 GMT+01:00 Bo Xu <boxuscience@...>:
>
> > Hi,
> >
> > I installed two NICs in one linux-PC and started two GnuGKs on each of
> > NICs. each NIC belongs to different IP-segment and is connected to
> > different switch, and there is firewall between these two IP-segment so
> > they cannot ping each other, and they cannot do H.323-call to each
other.
> >
> > I want to use the above two GnuGKs to route full-proxied call from one
> > IP-segment to another, for example:
> > EP-1 is in IPSegment-1, and registers to GnuGK-1
> > EP-2 is in IPSegment-2, and registers to GnuGK-2
> > when EP-1 calls EP-2, I want to make both signal/media stream from EP-1
go
> > to GnuGK-1 first, then go to GnuGK-2, then go to EP-2
> >
> > could you tell me how to set the configuration.ini of GnuGK-1 and
GnuGK-2
> > to do this? Thanks!
> >
> > Regards,
> > Bo Xu
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