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Using the SEHI100TX Hub View
2-10 Monitoring Hub Performance
Port Type
Provides the following administrative information about the port:
¥ Admin/Link Status indicates the connection status of the port:
- ON indicates that the port has a valid link signal or does not support a link
signal.
- OFF indicates that the port has been turned off through management
action.
- NLK (No Link) indicates that the port does not have a link to a device at
the other end of the cable, or that there is no cable attached.
- SEG (Segmented) indicates that the port has been segmented by the
repeater due to an excessive collision level.
¥ Admin Status displays either ON or OFF, an indication of whether
management has the port enabled or disabled. A port can be ON but not
operational; for example, under the Admin display, ports that are segmented
or not linked are shown as ON.
¥ Active Ports displays either YES or NO for any active (green) port, indicating
whether or not that port has seen any trafÞc at all since the device was last
initialized or the counters were last reset; this port display form can tell you
whether any port whose statistics are not currently incrementing has seen
some activity in the past. Non-green (presumably inactive) ports will display
three dashes (---), regardless of their past statistical activity.
Checking Device Status and Updating Front Panel Info
The Device Status window (Figure 2-6) is where you change the information
displayed on the Hub View Front Panel and where you can see summary
information about the current state of the device.
To open the Device Status window:
1. Click on to display the Device menu.
2. Drag down to Status and release.
NOTE
Because BNC thin coax, AUI, and transceiver ports do not support the link feature, the
displayed Admin/Link status for those ports may be misleading: for example, a BNC port
will display as segmented when, in fact, there is no cable or terminator attached or the
cable has been disconnected; an AUI or transceiver port will display as on (with a valid
link signal) even when no cable is attached. Be sure to keep these anomalies in mind when
troubleshooting a device so equipped.