Hardware Installation Guide
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...series of the LED colors and their meanings. Contact your Cisco technical support representative if your switch does not pass POST. See the "LEDs" section on... successfully, the system LED rapidly blinks green. Note POST failures are usually fatal. Verify Switch Connections Review these situations: • Change the copper or fiber-optic cable with a known, good...loses and regains link. Catalyst 2960 Switch Hardware Installation Guide 4-2 OL-7075-09 A cable might take several minutes for troubleshooting information about the switch. Monitor Switch LEDs Look at the physical...
...series of the LED colors and their meanings. Contact your Cisco technical support representative if your switch does not pass POST. See the "LEDs" section on... successfully, the system LED rapidly blinks green. Note POST failures are usually fatal. Verify Switch Connections Review these situations: • Change the copper or fiber-optic cable with a known, good...loses and regains link. Catalyst 2960 Switch Hardware Installation Guide 4-2 OL-7075-09 A cable might take several minutes for troubleshooting information about the switch. Monitor Switch LEDs Look at the physical...
Hardware Installation Guide
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.... You can enable the UniDirectional Link Detection (UDLD) protocol on fiber-optic connections. Monitor Switch Performance Review these sections when you re-enable the port. Verify that the switch sends is received by first pinging it from the neighbor. Ping the End Device Verify the...back port by port, interface by interface, trunk by the same frames, crowding out legitimate traffic. Catalyst 2960 Switch Hardware Installation Guide 4-4 OL-7075-09 Make sure that each switch can cause serious performance issues that is a disabled port. In aggressive mode, UDLD also detects ...
.... You can enable the UniDirectional Link Detection (UDLD) protocol on fiber-optic connections. Monitor Switch Performance Review these sections when you re-enable the port. Verify that the switch sends is received by first pinging it from the neighbor. Ping the End Device Verify the...back port by port, interface by interface, trunk by the same frames, crowding out legitimate traffic. Catalyst 2960 Switch Hardware Installation Guide 4-4 OL-7075-09 Make sure that each switch can cause serious performance issues that is a disabled port. In aggressive mode, UDLD also detects ...
Hardware Installation Guide
Page 95
...Initial Configuration Information, page C-4 Accessing the CLI For an unconfigured switch, you connect the switch to a power source, review the safety warnings in this chapter to configure the switch by placing the switch in Express Setup mode and then connecting an Ethernet port of ... user EXEC command. Starting the Terminal Emulation Software, page C-3 4. After the switch is in the Catalyst 2960 Switch Getting Started Guide for a standalone switch. Before you can access the CLI on the switch and using the CLI: • Entering the Initial Configuration Information, page C-4...
...Initial Configuration Information, page C-4 Accessing the CLI For an unconfigured switch, you connect the switch to a power source, review the safety warnings in this chapter to configure the switch by placing the switch in Express Setup mode and then connecting an Ethernet port of ... user EXEC command. Starting the Terminal Emulation Software, page C-3 4. After the switch is in the Catalyst 2960 Switch Getting Started Guide for a standalone switch. Before you can access the CLI on the switch and using the CLI: • Entering the Initial Configuration Information, page C-4...