vtdaemon(1M)
NAME
vtdaemon − respond to vt requests
SYNOPSIS
vtdaemon [−g[ngateway]] [−n] lan_device lan_device ...
DESCRIPTION
vtdaemon responds to requests from other systems (via local area network) made by vt(1). vtdaemon spawns a server to respond to each request that it receives.
The −g option causes vtdaemon to rebroadcast all requests received on one lan device to all other lan devices specified on the command line. The optional parameter ngateway specifies the maximum number of vtgateway servers that can be in operation concurrently. If ngateway is not specified, there will be no limit on the number of vtgateway servers that can be in operation concurrently.
The −n option causes vtdaemon to ignore all requests that have come through a gateway.
The remaining arguments are the full path names of lan devices that vtdaemon looks for requests on. If no lan devices are specified, the default lan device is used. The major number for this device must correspond to a IEEE802.3 local area network device.
Another function of vtdaemon is to create portals and service portal requests. A portal is a callout device that can be used by uucico(1M) to communicate to another machine via local area network. Portals are created by vtdaemon according to the configuration information found in the file /usr/lib/uucp/L-vtdevices. Each line in L-vtdevices has the format:
<calldev>[,<lan device>] <nodename>
For each line, vtdaemon creates a portal named calldev in /dev. Whenever this device is opened, vtdaemon spawns a server that creates a connection to the system specified by nodename via the lan device specified. If no lan device is specified, the first one specified on the command line when vtdaemon was started is used (or the default lan device is used if no lan devices were specified on the command line).
vtdaemon should be terminated by sending signal SIGTERM to it. When vtdaemon receives this signal it removes all of the portals it created in /dev before exiting.
FILES
/etc/vtdaemonlog logfile used by vtdaemon.
/dev/ieee default lan device name.
SEE ALSO
The vt tutorial in Remote Access Users Guide.
DIAGNOSTICS
Diagnostics messages produced by vtdaemon are written to /usr/contrib/lib/vtdaemonlog.
WARNINGS
vtdaemon uses the Hewlett-Packard LLA (Link Level Access) direct interface to the HP network drivers. vtdaemon uses the multicast address 0x01AABBCCBBAA. It should not be used or deleted by other applications accessing the network. vtdaemon uses the following IEEE 802.3 sap (service access point) values: 0x90, 0x94, 0x98, 0x9C, 0xA0, 0xA4, 0xA8, 0xAC, 0xB0, 0xB4, 0xB8, 0xBC, 0xC0, 0xC4, 0xC8, 0xCC, 0xD0, and 0xD4. They should not be used by other applications accessing the network.
Hewlett-Packard Company — HP-UX Release 8.05: June 1991