Viewing Udld Information - HP PROCURVE 6120 Management And Configuration Manual

ProCurve(config)# show link-keepalive
Total link-keepalive enabled ports: 4
Keepalive Retries:
Port Enabled Physical
Status
-------------------------------------------------------------------
1 Yes up
2 Yes up
3 Yes down
4 Yes up
5 No down
Figure 10-22. Example of Show Link-Keepalive Command
To re-assign a VLAN ID, re-enter the command with the new VLAN ID
■
number. The new command will overwrite the previous command
setting.
When configuring UDLD for tagged ports, you may receive a warning
■
message if there are any inconsistencies with the port's VLAN config-
uration (see page 37 for potential problems).

Viewing UDLD Information

The following show commands allow you to display UDLD configuration and
status via the CLI.
Syntax: show link-keepalive
Displays all the ports that are enabled for link-keepalive.
Syntax: show link-keepalive statistics
Displays detailed statistics for the UDLD-enabled ports on the
switch.
Syntax: clear link-keepalive statistics
Clears UDLD statistics. This command clears the packets sent,
packets received, and transitions counters in the show link-
keepalive statistics display.
To display summary information on all UDLD-enabled ports, enter the show
link-keepalive command. For example:
3 Keepalive Interval: 1 sec
Keepalive
Status
up
up
off-line
failure
off-line
Adjacent UDLD
Switch VLAN
00d9d-f9b700 200
01560-7b1600 untagged
Port 3 is UDLD-enabled, but
has no physical connection.
Port 4 is connected, but is blocked
due to a link-keepalive failure
Port 5 has been disabled by
the System Administrator.
Port Status and Configuration
Uni-Directional Link Detection (UDLD)
Port 1 is UDLD-enabled, and
tagged for a specific VLAN.
10-35