Инструкции По Установке для 3com S7906E

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To do… 
Use the command… 
Remarks 
Configure the errored frame 
seconds event triggering 
threshold 
oam errored-frame-seconds 
threshold 
threshold-value 
Optional 
1 by default 
 
 
Make sure the errored frame seconds triggering threshold is less than the errored frame seconds 
detection interval. Otherwise, no errored frame seconds event can be generated.  
 
Enabling OAM Remote Loopback 
After enabling OAM remote loopback on a port, you can send loopback frames from the port to a remote 
port and then observe how many of these loopback frames are returned. In this way, you can calculate 
the packet loss ratio on the link, thus evaluating the link performance.  
Follow these steps to enable Ethernet OAM remote loopback: 
To do… 
Use the command… 
Remarks 
Enter system view 
System-view 
— 
Enter Ethernet port view 
interface interface-type 
interface-number
 
— 
Enable Ethernet OAM remote 
loopback 
oam loopback 
Required 
Disabled by default.