Great Circle Associates Firewalls
(October 1997)
 

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Subject: RE: High Availability between two HPUX 10.20 FW1 machines
From: mdb @ dosmanos . cwiz . com (Martin D. Baldenegro)
Date: Thu, 2 Oct 1997 19:37:26 -0500
To: Ian . Schlueter @ avnet . com, csubasi @ garanti . com . tr
Cc: firewalls-digest @ GreatCircle . COM

	Ian,

  There seems to be a problem with the synchronization of FW-1,
  if you are looking for HA for your firewall, you may want to
  take a look at the HA+ solution from Qualix that uses FW-1
  (http://www.qualix.com/html/ha_firewall.html)

  Regards,

	/Martin

Schlueter, Ian wrote:
> 
> I am attempting to utilize the synchronization capabilities of FW1 ver
> 3.0b to implement "high-availability" and I am running into a problem.
> 
> I have two HPUX C100's configured identically. Installed are a total of
> four network interfaces in each.
> 
>         Interface 1: to the Internet
>         Interface 2: to the intranet
>         Interface 3: to the DMZ
>         Interface 4: to the "firewall sync network"
> 
> The firewall sync network only has the two firewalls on it, I am using a
> non-internet routable "test" range to address that segment.  The
> firewalls each have an entry in the  /etc/fw/conf/sync.conf file
> pointing to their counterpart.
> 
> Here is the problem:
> 
> I am continuously seeing a "Got Connection from firewall-1"
> then immediately seeing a   "End Connection from firewall-1"
> 
> These messages appear simultaneously on both firewall consoles.  Logs
> appear to be shared, but state tables only seem to be shared part of the
> time.
> 
> Checkpoint suggested that if the two machines system clocks were more
> than 5 seconds out of synchronization that it could cause this problem.
> We set the clocks to the same time, and tested, still no luck.  We even
> installed ntp between them and it did not change the results.
> 
>                 Anyone have any ideas?
> 
> - - -/ W. Ian Schlueter   ian .
 schlueter @
 avnet .
 com
> - - / Project Manager, Global Internet/intranet support
> - -/ Avnet, Inc.  Chandler, AZ
> - / (602) 940-5977


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