3com 5500-ei pwr Guia De Referência

 

1-12 

Use the display loopback-detection command to display the loopback detection status on the port. If 

loopback detection is enabled, this information will also be displayed: time interval for loopback 

detection and the loopback ports.  

# Display the loopback detection status on the port.  

<Sysname> display loopback-detection 

 Port Ethernet1/0/1 loopback-detection is running 

 system Loopback-detection is running 

 Detection interval time is 30 seconds 

 There is no port existing loopback link 

Table 1-5 Description on the fields of the display loopback-detection command 

Port Ethernet1/0/1 loopback-detection is running

Loopback detection is enabled on the Ethernet 
1/0/1. 

system Loopback-detection is running  

Loopback detection is enabled globally.  

Detection interval time is 30 seconds 

Time interval for loopback detection is 30 
seconds.  

There is no port existing loopback link 

No loopback port exists.  

 

display packet-drop { interface [ interface-type interface-number ] | summary } 

Any view 

interface-type: Port type. 

interface-number: Port number. 

summary: Displays the summary statistics on the packets dropped on all the ports.  

Use the display packet-drop command to display the statistics on the packets dropped on a port or all 

the ports.  

z 

If  interface-type interface number is not specified, this command displays the statistics on the 

packets dropped on all the ports.  

z 

If interface-type interface number is specified, this command displays the statistics on the packets 

dropped on the port identified by interface-type interface number.  

Related commands: reset packet-drop interface.