Re: Wireless handhelds
- From: JF Mezei <jfmezei.spamnot@xxxxxxxxxxxx>
- Date: Fri, 18 Aug 2006 15:14:01 -0400
David Gray wrote:
VMS server is on. Is it just a case of adding an intelligent WAP in
securely and then TELNETing from a VT enabled device to the IP address
of the server?
On the surface, yes. However, when you dig for details, you need to look
at TCPIP connectivity between your VMS system and the wireless "land" router.
In other words, if your handleld is given the IP address 10.23.45.67,
and your VMS system has 10.0.45.67 you need to ensure that the VMS
system routes 10.23.*.* to that wireless router (or to a router that
knows how to reach that wireless router).
This means that the subnet assigned to VMS must be set properly so that
VMS knows that it must pass any packest for the wireless devices to some
router instead of expecting them to be on the same lan.
From the user point of view, it depends on hwo good the VT emulator is.VMS (in SYLOGIN.COM) normally issues a SET TERMINAL/INQUIRE at login and
this will "poke" the terminal to try to find its screen size, but many
terminal emulators may not work well with those protocols. So you may
end up having to do SET TERM/WIDTH=xx/PAGE=yy to define its screen size
somewhere in the login process for those devices (or when they start the
application) to let VMS do much of the screen management for you.
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