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Chapter 13 NIC Naming Schemes
266
NIC Naming Schemes
A single I/O Port destination can be configured with a variety of
model and logpath combinations. For instance, once you set the
parameters for m1 and l1, you can assign the model and logpath to
more than one I/O port destination such as d1prn, d2prn, and
d8prn. You may now use the same set of model and logpath
parameters more than once without having to redefine those
parameters each time for another I/O Port destination.
Periodic Ping
This feature when enabled executes background ping from the print
server to its default gateway. The operation is executed on every
user defined period. This mechanism has no TCP traffic from the
print server to anything on the network to keep route information
alive. Since every member in the VLAN is subject to aging from
bridging cache, a switch or bridge in between may be forgotten in
the table at which port the printer was connected. If one ping is run
from printer server to its default gateway through the switch, the
switch learns again and the route is seen. The problem will not be
seen with TCP since the ACKs keep the bridge relearning in a
switch. Periodically send ICMP Echo Request between a print
server and its gateway that is typically situated in the same VLAN
and connected with the same switch or bridge.
The printer server allows a periodic group of ping packets [1 – 5] to
be issued by a set time [1– 5] minutes, to the gateway value the
NIC has from its routing table. This feature can be enabled or
disabled. The default is disable.