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3-14 INSTALLING AND OPERATING THE MODULE
Port Redundancy Network management lets you set redundancy between ports. When
you set two ports redundant to each other, the secondary port takes
over if the primary port fails. Use the following network management
command to set redundancy between ports:
SET PORT {
slot.port
} MODE {redundant} {
slot.port
}
{non-redundant}
Refer to Chapter 2 for an example of port redundancy.
Link Integrity Enable Link Integrity for all ports on the 24-Port module in networks
that comply with the 10BASE-T standard. Disable Link Integrity only
when connecting to older equipment that does not comply with the
10BASE-T standard. Link integrity must either be enabled at both ends
or disabled at both ends of the connection. If the settings differ, the
module with Link Integrity enabled will report a Link Integrity error.
If you enable a port and disable Link Integrity, the Status LED for that
port is on for 10 seconds and blinks off for 400 msecs to indicate that
Link Integrity is disabled.
Using network management commands, you can enable/disable Link
Integrity for each port on the module.
Use the following network management command to enable Link
Integrity for a port:
SET PORT {
slot.port
} LINK_INTEGRITY {enable}
{
slot.
all} {disable}
Alert Filter This command allows you to override the SET ALERT option that you
can use to disable port up and port down alerts. You can use this
command to continue to monitor port status on crucial ports (file
servers, for example), while alerts from other ports are disabled.
Use the following command to disable the port up and port down
alerts for a port:
SET PORT {
slot.port
} ALERT_FILTER {enable}
{disable}