Netgear M4100-24G-POE+ (GSM7224P) - ProSAFE Gigabit L2+ Managed Switch Guia Do Programa
Utility Commands
425
M4100 Series ProSAFE
Managed
Switches
Cable Test Command
The cable test feature enables you to determine the cable connection status on a selected
port.
port.
Note:
The cable test feature is supported only for copper cable. It is not
supported for optical fiber cable. If the port has an active link while the
cable test is run, the link can go down for the duration of the test.
supported for optical fiber cable. If the port has an active link while the
cable test is run, the link can go down for the duration of the test.
cablestatus
This command returns the status of the specified port.
•
Normal. The cable is working correctly.
•
Open. The cable is disconnected or there is a faulty connector.
•
Short. There is an electrical short in the cable.
•
Cable Test Failed. The cable status could not be determined. The cable may in fact
be working.
be working.
sFlow Commands
sFlow is the standard for monitoring high-speed switched and routed networks. sFlow
technology is built into network equipment and gives complete visibility into network activity,
enabling effective management and control of network resources.
technology is built into network equipment and gives complete visibility into network activity,
enabling effective management and control of network resources.
Format
cablestatus <slot/port>
Mode
Privileged EXEC
Field
Description
Cable Status
One of the following statuses is returned:
Cable Length
If this feature is supported by the PHY for the current link speed, the cable length is
displayed as a range between the shortest estimated length and the longest estimated
length. Note that if the link is down and a cable is attached to a 10/100 Ethernet adapter,
then the cable status may display as Open or Short because some Ethernet adapters
leave unused wire pairs unterminated or grounded. Unknown is displayed if the cable
length could not be determined.
displayed as a range between the shortest estimated length and the longest estimated
length. Note that if the link is down and a cable is attached to a 10/100 Ethernet adapter,
then the cable status may display as Open or Short because some Ethernet adapters
leave unused wire pairs unterminated or grounded. Unknown is displayed if the cable
length could not be determined.