H3C Technologies H3C S7500E Series Switches - Manual (Page 28)

3-9
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.
Because enabling Ethernet OAM remote loopback impacts other services, use this function with
caution.