User Manual

M4300 Intelligent Edge Series Fully Managed Stackable Switches
Monitor the Switch and Network User Manual644
command returns a cable length estimate if this feature is supported by the PHY for the
current link speed. Note that if the link is down and a cable is attached to a 10/100
Ethernet adapter then the cable status might be Open or Short because some Ethernet
adapters leave unused wire pairs unterminated or grounded.
The following table describes the nonconfigurable information displayed on the page.
Manage the Buffered, Command, and
Console Logs
The switch generates messages in response to events, faults, or errors occurring on the
platform as well as changes in configuration or other occurrences. These messages are
stored locally and can be forwarded to one or more centralized points of collection for
monitoring purposes or long-term archival storage (see
Configure the Syslog and Syslog
Host Settings on page 649). Local and remote configuration of the logging capability
includes filtering of messages logged or forwarded based on severity and generating
component.
View and Clear the Buffered Logs
To view and clear the buffered logs:
1. Launch a web browser
.
2. In the address field of your web browser
, enter the IP address of the switch.
Table 224. Cable Test
Field Description
Cable Status This displays the cable status as Normal, Open or Short.
• 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
might in fact be working.
• Untested: The
cable is not yet tested.
• Invalid cable type:
The cable type is unsupported.
Cable Length The estimated length of the cable in meters. The length is displayed as a range
between the shortest estimated length and the longest estimated length.
Unknown is displayed if the cable length could not be determined.
The Cable
Length is only displayed if the cable status is Normal.
Failure Location The estimated distance in meters from the end of the cable to the failure
location.
The failure location is only displayed if the cable status is Open or
Short.