pa(7)                          DG/UX R4.11MU05                         pa(7)


NAME
       pa - Interphase 5515 ATM Permanent Virtual Circuit (PVC) STREAMS
       Driver

SYNOPSIS
       /dev/pa

DESCRIPTION
       The pa is a STREAMS driver works in conjunction with the ia
       Interphase 5515 ATM device driver to provide Permanent Virtual
       Circuit (PVC) support as defined in RFC-1483.  The pa driver is a
       STREAMS multiplexer providing DLPI style 2 support.  The pa driver
       supports either null or LLC/SNAP encapsulations as described in RFC
       1483 for point to point PVC connections.  pa is I_LINKED over the ia
       Interphase 5515 ATM STREAMS device driver by the pcvsetup utility.
       Multicast or broadcast operations are not supported by pa.
       Destination IP address to VC mapping is done in the arp table.


       In order to use the PVC STREAMS driver both pa and ia must be
       configured into your system.  pa is configured into your system by
       adding pa() to the DG/UX system configuration file.  (See the ia(7)
       man page for details on how to configure ia into your system.)  After
       ia and pa are configured into your system, you must specify the PVC
       interface in the /etc/tcpip.params file. This is done by specifying
       the interface to be paN where N is the PPA (Physical Point of
       Attachment) used by atmbind.  (See atmbind(1m) for more details.)


       For information about installing the software distribution, refer to
       the R4.11MU03 Release Notice.


EXAMPLE
       The following is an example of specifying the interface host-pvc will
       be a PVC type connection going over PPA 0.

       HOSTNAME=hostpvc DEVICE=pa0 NETMASK=0xffffff00



SEE ALSO
       ia(7), pvcsetup(1M), pvcarp(1M), atmbind(1m)

NOTES
       The pa driver can not function alone.  It requires services provided
       by ia(7).





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