HP ProCurve Series 3400cl Release Notes page 96

Enhancements
Release M.10.09 Enhancements
Displaying Detailed UDLDP Status Information. To display detailed UDLD information for
specific ports, enter enter the show link-keepalive statistics command. For example:
ProCurve(config)# show link-keepalive statistics
Port:
Current State:
Udld Packets Sent:
Udld Packets Received: 1000
Port Blocking:
Port:
Current State:
Udld Packets Sent:
Udld Packets Received: 450
Port Blocking:
Port:
Current State:
Udld Packets Sent:
Udld Packets Received: 0
Port Blocking:
Port:
Current State:
Udld Packets Sent:
Udld Packets Received: 50
Port Blocking:
Figure 22. Example of Detailed UDLD Information displayed using Show Link-Keepalive Statistics
Command
Clearing UDLD Statistics. To clear UDLD statistics, enter the following command:
ProCurve# clear link-keepalive statistics
This command clears the Packets sent, Packets received, and Transitions counters in the show link
keepalive statistics display (see
86
1
up Neighbor MAC Addr:
1000 Neighbor Port:
State Transitions:
no Link-vlan:
2
up Neighbor MAC Addr:
500 Neighbor Port:
State Transitions:
no Link-vlan:
3
off line Neighbor MAC Addr:
0 Neighbor Port:
State Transitions:
no Link-vlan:
4
failure Neighbor MAC Addr:
128 Neighbor Port:
State Transitions:
yes Link-vlan:
Figure 22 for an example).
Ports 1 and 2 are UDLD-enabled and show
the number of health check packets sent
and received on each port.
0000a1-b1c1d1
5
2
1
000102-030405
6
3
200
n/a
n/a
0
Port 4 is shown as blocked
1 due to a link-keepalive failure
n/a
n/a
8
1