HP 6120XG ProCurve Series 6120 Blade Switches Management and Configuration Gui - Page 251
show link, keepalive statistics, Example of Show Link-Keepalive Statistics Command
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Port Status and Configuration Uni-Directional Link Detection (UDLD) To display detailed UDLD information for specific ports, enter the show linkkeepalive statistics command. For example: ProCurve(config)# show link-keepalive statistics Ports 1 and 2 are UDLD-enabled and show the number of health check packets sent and received on each port. Port: 1 Current State: up Udld Packets Sent: 1000 Udld Packets Received: 1000 Port Blocking: no Neighbor MAC Addr: Neighbor Port: State Transitions: Link-vlan: 0000a1-b1c1d1 5 2 1 Port: 2 Current State: up Udld Packets Sent: 500 Udld Packets Received: 450 Port Blocking: no Neighbor MAC Addr: Neighbor Port: State Transitions: Link-vlan: 000102-030405 6 3 200 Port: 3 Current State: off line Udld Packets Sent: 0 Udld Packets Received: 0 Port Blocking: no Neighbor MAC Addr: Neighbor Port: State Transitions: Link-vlan: n/a n/a 0 Port 4 is shown as blocked 1 due to a link-keepalive failure Port: 4 Current State: failure Udld Packets Sent: 128 Udld Packets Received: 50 Port Blocking: yes Neighbor MAC Addr: n/a Neighbor Port: n/a State Transitions: 8 Link-vlan: 1 Figure 10-23. Example of Show Link-Keepalive Statistics Command 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 Figure 10-23 for an example). 10-36