User's Guide
Page 36
...It can be enabled per port by default is enabled) abilities to prevent buffer overflow. If the station on the other side of errors in the station attempting to half duplex mode. The flow control mechanism allows the receiving side to signal to the transmitting side that ... does not support auto-negotiation or is known as MDIX.) Flow Control The device supports 802.3x Flow Control for additional traffic. 36 Dell PowerConnect 28xx Systems User Guide By default, this feature is possible, making the distinction between them. The ports then both the device switching port...
...It can be enabled per port by default is enabled) abilities to prevent buffer overflow. If the station on the other side of errors in the station attempting to half duplex mode. The flow control mechanism allows the receiving side to signal to the transmitting side that ... does not support auto-negotiation or is known as MDIX.) Flow Control The device supports 802.3x Flow Control for additional traffic. 36 Dell PowerConnect 28xx Systems User Guide By default, this feature is possible, making the distinction between them. The ports then both the device switching port...
User's Guide
Page 55
Ports can only be the following colors: Table 5-2. Red An error has occurred on the OpenManage Switch Administrator interface. Blue The port is currently active. LED status can be determined by viewing the actual device. For... and closes the browser window. The online help topic for that page opens when Help is clicked. Dell PowerConnect 28xx Systems User Guide 55 NOTE: The Port LEDs are linked directly to assist in the PowerConnect OpenManage Switch Administrator. The port coloring indicates if a specific port is currently disabled. Led Indicators Component Name...
Ports can only be the following colors: Table 5-2. Red An error has occurred on the OpenManage Switch Administrator interface. Blue The port is currently active. LED status can be determined by viewing the actual device. For... and closes the browser window. The online help topic for that page opens when Help is clicked. Dell PowerConnect 28xx Systems User Guide 55 NOTE: The Port LEDs are linked directly to assist in the PowerConnect OpenManage Switch Administrator. The port coloring indicates if a specific port is currently disabled. Led Indicators Component Name...
User's Guide
Page 65
... Interface Parameters page. 2 Set DHCP to Disable. 3 Set the IP Address, Subnet Mask and Default Gateway. 4 Click Apply Changes. Cable testing provides information about where errors occurred in the down state, with your book title 65 The cable length returned is updated. Running Cable Diagnostics The Diagnostics page contains links to... in the cable, the last time a cable test was performed, and the type of a copper cable attached to test the quality and characteristics of cable error which occurred.
... Interface Parameters page. 2 Set DHCP to Disable. 3 Set the IP Address, Subnet Mask and Default Gateway. 4 Click Apply Changes. Cable testing provides information about where errors occurred in the down state, with your book title 65 The cable length returned is updated. Running Cable Diagnostics The Diagnostics page contains links to... in the cable, the last time a cable test was performed, and the type of a copper cable attached to test the quality and characteristics of cable error which occurred.
User's Guide
Page 66
The cable is 2 meters long. - The distance from the port where the cable error occurred. • Last Update - The last time the port was tested. • Approximate Cable Length - Possible values are displayed on only one side. - There is ...
The cable is 2 meters long. - The distance from the port where the cable error occurred. • Last Update - The last time the port was tested. • Approximate Cable Length - Possible values are displayed on only one side. - There is ...
User's Guide
Page 68
.... • TX Fault - Displaying Optical Transceiver Diagnostics Test Results Table 1 Open the Optical Transceiver Diagnostics page. 2 Click Show All. Warning, E - The test is ready. • N/A - Error. Internally measured transceiver temperature. • Voltage - Measured RX received power in the cable. • Data Ready - Not Available, N/S - Measured TX output power in milliwatts. •...
.... • TX Fault - Displaying Optical Transceiver Diagnostics Test Results Table 1 Open the Optical Transceiver Diagnostics page. 2 Click Show All. Warning, E - The test is ready. • N/A - Error. Internally measured transceiver temperature. • Voltage - Measured RX received power in the cable. • Data Ready - Not Available, N/S - Measured TX output power in milliwatts. •...
User's Guide
Page 144
Viewing RMON Statistics Group The RMON Statistics Group page contains fields for viewing network information from a remote location. To open the RMON page, click Statistics/RMON→ RMON in the tree view. Figure 8-1. RMON Statistics Group 144 Update with your book title To open the RMON Statistics Group page, click Statistics/RMON→ RMON→ Statistics in the tree view. Viewing RMON Statistics Remote Monitoring (RMON) contains links for viewing information about device utilization and errors that occurred on the device.
Viewing RMON Statistics Group The RMON Statistics Group page contains fields for viewing network information from a remote location. To open the RMON page, click Statistics/RMON→ RMON in the tree view. Figure 8-1. RMON Statistics Group 144 Update with your book title To open the RMON Statistics Group page, click Statistics/RMON→ RMON→ Statistics in the tree view. Viewing RMON Statistics Remote Monitoring (RMON) contains links for viewing information about device utilization and errors that occurred on the device.
User's Guide
Page 145
... Number of jabbers (packets longer than 1518 octets) received on the interface since the device was last refreshed. • CRC & Align Errors - Number of good Multicast packets received on the interface since the device was last refreshed. • Collisions - Viewing Charts The Chart ... packets received on the interface since the device was last refreshed. • Broadcast Packets Received - Number of CRC and Align errors that have occurred on the interface, including bad packets, Multicast and broadcast packets, since the device was last refreshed. Specifies the...
... Number of jabbers (packets longer than 1518 octets) received on the interface since the device was last refreshed. • CRC & Align Errors - Number of good Multicast packets received on the interface since the device was last refreshed. • Collisions - Viewing Charts The Chart ... packets received on the interface since the device was last refreshed. • Broadcast Packets Received - Number of CRC and Align errors that have occurred on the interface, including bad packets, Multicast and broadcast packets, since the device was last refreshed. Specifies the...
User's Guide
Page 165
... range • interface - Valid Ethernet port. interface port-channel port-channel-number Syntax Description • port-channel-number - Dell PowerConnect 28xx Systems User Guide 165 Command: interface ethernet To configure an interface type and enter interface configuration mode, use the interface portchannel...Guidelines Commands under the interface range context are executed independently on each interface in the range: If the command returns an error on one of the interfaces, it will not stop the execution of the command on other interfaces. Parameters range •...
... range • interface - Valid Ethernet port. interface port-channel port-channel-number Syntax Description • port-channel-number - Dell PowerConnect 28xx Systems User Guide 165 Command: interface ethernet To configure an interface type and enter interface configuration mode, use the interface portchannel...Guidelines Commands under the interface range context are executed independently on each interface in the range: If the command returns an error on one of the interfaces, it will not stop the execution of the command on other interfaces. Parameters range •...