R21xx-HP FlexFabric 11900 Layer 2 LAN Switching Command Reference

40
<Sysname> system-view
[Sysname] interface ten-gigabitethernet 1/0/1
[Sysname-Ten-GigabitEthernet1/0/1] virtual-cable-test
Cable status: normal, 38 metre(s)
Pair Impedance mismatch: yes
Pair skew: 38 ns
Pair swap: -
Pair polarity: swap
Insertion loss: 12 db
Return loss: 11 db
Near-end crosstalk: 13 db
Table 10 Command output
Field Description
Cable status
Cable status:
• Normal—The cable is in good condition.
• Abnormal—The cable is abnormal.
• Abnormal (open)—An open circuit is detected.
• Abnormal (short)—A short circuit is detected.
• Failure—The test failed.
n metres
If the cable connection is normal, this field displays the total length of the cable.
If the cable connection has a fault, this field displays the length from the local
port to the faulty point.
Layer 3 Ethernet interface commands
mtu
Use mtu to set the MTU for an Ethernet interface.
Use undo mtu to restore the default.
Syntax
mtu size
undo mtu
Default
The MTU of an Ethernet interface is 1500 bytes.
Views
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
size: Sets the maximum transmission unit (MTU) in bytes, in the range of 46 to 1560.