Configure Systems Network Architecture over IP (SNAIP)
Digi TransPort User Guide
504
SSP (WAN) parameters
Virtual MAC Address
Virtual MAC address. The host uses MAC addresses and SAP values as the addressing values to
discriminate between circuits, in much the same way as an IP address & TCP port define an
addressing point for a TCP socket. This is the MAC address that is reported as part of the DLSw
protocol.
Virtual MAC Address of Peer
The Virtual MAC address of the peer.
IP address of the Peer DLSw unit
The IP address of the peer DLSw unit.
Listen on Port
The read IP port. The TCP socket SNAIP listens on.
Use Port
x
if this unit starts the DLSw protocol
The write IP port. This TCP socket will be opened by the router if it needs to start the DLSw
protocol.
Use interface for source IP address
Setting this parameter to a
PPP
or
ETH
instance causes the source address used by this SNAIP
instance to match that of the Ethernet or PPP interface specified.
Close TCP connection if it is idle for
x
secs
The maximum period of inactivity (in seconds) that may occur before an open TCP/ IP socket is
closed. The default value is
300
seconds (5 minutes) and should not normally require altering.
DLSw Ver
The DLSw version to be used. Set to
0
(default) for version 1, set to
2
for version 2.
DLSw Role
When this parameter is set to
Active
, and the router is in SNA mode, this DLSw switch actively
connects to the remote DLSw switch.
DLSw Window
The DLSw window size. The value range is from
10
to
100
. The default is
20
.
UDP Capable
Controls the UDP transmission of DLSw SSP packets. Reception is always enabled for version 2
support. If set to
OFF
, the state transitions occur just like DLSw version 1 but the router will
indicate it is version 2-capable.
Use 1 socket
When this parameter is set to
On
, only one socket is used for both read and write data. This is
useful if the router is behind a NAT box and incoming connections are not possible. This
parameter can also be set to
Compatible
, in which mode both sockets are open to start with
and then after a negotiation one of the sockets is dropped.
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