Utility Commands
618
ProSafe M4100 and M7100 Managed Switches

show rmon {hcalarms | hcalarm <alarm index>}

This command displays the entries in the RMON hcAlarmTable.
Format show rmon {hcalarms | hcalarm <alarm index>}
Mode
UDLD Commands
The UDLD feature detects unidirectional links physical ports. A unidirectional link is a
forwarding anomaly in a Layer 2 communication channel in which a bi-directional link stops
passing traffic in one direction. UDLD must be enabled on both sides of the link in order to
detect a unidirectional link. The UDLD protocol operates by exchanging packets containing
information about neighboring devices.

udld enable

This command enables UDLD globally on the switch.
Default
Format udld enable
Mode
no udld enable
This command disables udld globally on the switch.
Format no udld enable
Mode

udld message time

This command configures the interval between UDLD probe messages on ports that are in
the advertisement phase. The range is from 7 to 90 seconds.
Default
Format udld message time <interval>
Mode
Privileged Exec
disabled
Global Config
Global Config
15
Global Config