Loopback Internal; Reset Counters Interface - HP 830 Command Reference Manual

[Sysname-port-group-manual-group1] group-member Ten-gigabitethernet 1/0/1 to Ten-Gig
abitEthernet 1/0/2
[Sysname-port-group-manual-group1] jumboframe enable
# Enable jumbo frames to pass through Ten-GigabitEthernet 1/0/1.
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 1/0/1
[Sysname-Ten-GigabitEthernet1/0/1] jumboframe enable

loopback internal

Use loopback internal to perform a loopback test on an Ethernet interface.
Use undo loopback to cancel a loopback test on an Ethernet interface.
Syntax
loopback internal
undo loopback
Default
Loopback test is not performed on an Ethernet interface.
Views
Ethernet interface view
Default command level
2: System level
Parameters
internal: Performs an internal loopback test on the Ethernet interface.
Usage guidelines
Enable internal loopback testing for troubleshooting purposes, such as identifying an Ethernet problem.
During a loopback test, the Ethernet interface operates in full duplex mode. When the loopback test is
complete, the interface returns to its duplex setting.
Examples
# Perform an internal loopback test on interface Ten-GigabitEthernet 1/0/1.
<Sysname> system-view
[Sysname] interface Ten-GigabitEthernet 1/0/1
[Sysname-Ten-GigabitEthernet1/0/1] loopback internal

reset counters interface

Use reset counters interface to clear the Ethernet interface statistics.
Syntax
reset counters interface [ interface-type [ interface-number ]
Views
User view
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