I called HPRC yesterday on a DTC issue.   The problem is that the new
Gigabyte routers don't support bridging.  A firewall may present a similar
problem.   IP routing is only supported on the 16RX DTC, not the 16MX.  So
the HP-3000 should be able to communicate with the 16RX, but the download
will have to come from an HP-9000 running HPUX.   I asked about managing the
DTC via the PC based DTC manager and received an affirmative.   In any case,
we have an HP-9000 and will use it to manager the DTC.

If a firewall is involved, there are a couple ways to get the DTC IP traffic
through.  The first and easiest is to tunnel, i.e., open all traffic between
the HP-3000 IP address and the DTC IP address.   Tunneling, by the way, is
the only way we have been able to use NS Services, i.e., DSLINE, REMOTE
between HP-3000s across firewalls.   The proprietary FTP between HP-3000s
also requires firewall tunneling (although it should not) because the FTP
does not follow the RFC.

For specific firewall configurations, permissions, etc. you will need some
technical documentation from HP on how the DTC communicates with the HP-3000
& HP-9000.   A skilled network engineer may be able to figure it out with a
sniffer & other tools.

Tom Genute
Phone:  (973) 716-8150
Pager:  (973) 308-4780


                -----Original Message-----
                From:   Steve Cole [mailto:[log in to unmask]]
                Sent:   Thursday, June 01, 2000 3:40 PM
                To:     [log in to unmask]
                Subject:        Re: [HP3000-L] Remote DTC configuration

                Unfortunately the request for download is sent out as a
broadcast and the
                download is sent to the DTC's hardware address.  One
potential solution is
                to setup and additional Openview workstation on the same
segment as the DTC
                to respond to the download requests.  The question is that
after you get the
                DTC downloaded, will the DTC be able to talk to the system
through the
                firewall.

                Hope this helps,
                Steve

                =================================
                Steve Cole
                Outer Banks Solutions, Inc.
                [log in to unmask]
                www.outerbankssolutions.com
                Phone: 919.231.2171  Fax: 919.231.7077
                Sales:   800.368.6214
                =================================
                ----- Original Message -----
                From: Jon Backus <[log in to unmask]>
                To: <[log in to unmask]>
                Sent: Thursday, June 01, 2000 1:00 PM
                Subject: [HP3000-L] Remote DTC configuration


                > >       In the near future I am going to have a DTC-16 at
a remote
                location.
                > > This remote location is connected to the main data
center via a Frame
                > > Relay connection.  This Frame Relay connection has to
come through my
                > > Firewall.  The HP Openview workstation that will control
the DTC
                > > configuration sets on my local network.  I'm trying to
decide on the
                best
                > > way to configure this, from a security stand-point.  Can
I make my
                DTC-16
                > > send its request for configuration to a specific IP
address instead of a
                > > general broadcast?  From another angle, does the
configuration broadcast
                > > go out for a specific port, and if so, which one?  Any
other ideas or
                > > approaches that you know of that work well?
                > >
                > > Thanx,
                > >    Jonathan M. Backus ~ Director of Technology
                > >    AB&C TechGroup ~ One Executive Way ~ Ranson, WV ~
25438
                > >    Email: [log in to unmask] ~ AIM: JMBackus
                > >    Vmail: 304-725-7050 ext 497 ~ Fmail: 304-725-0706
                > >    Web: www.abcTechGroup.com
                > >
                > >