User guide

IOLAN+, IOLAN+ Rack & IOLAN+ 102/104 User guide
Gateway menu
Page 149
Chapter 10 The menu interface
Gateway menu
The Gateway Menu allows the IOLAN+ to make use of a gateway (I P router) on the network.
This allows flexible internet working.
The parameters are as follows:
Parameter Description
Destination This field specifies either the destination network or host
address.
Gateway This field defines the gateway (IP router) host address. The
gateway host must be attached to the same network as
IOLAN+.
Netmask This field allows the administrator to define a mask that IOLAN+
will use to mask out packets from other networks using the same
Ethernet.The valid Netmask fields are:
class a
Only class a addresses are allowed across the gateway.
class b
Only class b addresses are allowed across the gateway.
class c
Only class c addresses are allowed across the gateway.
host The Destination field is a host IP address and only packets for
that host are allowed across the gateway.
default Any IP address allowed across the gateway
<dot notation value> Only addresses fitting the numerical mask are allowed across
the gateway.