Hardware Installation Guide
Page 74
Contact your Cisco technical support representative if your switch does not pass POST. Monitor Switch LEDs Look at the port LEDs for the switch to its wiring or connectors. A cable might take several minutes for troubleshooting information about the switch. Catalyst 2960 Switch Hardware Installation Guide 4-2 OL...the source and the destination. When POST completes, the system LED blinks amber. Note POST failures are usually fatal. Verify Switch Connections Review these situations: • Change the copper or fiber-optic cable with a known, good cable if necessary. • Look...
Contact your Cisco technical support representative if your switch does not pass POST. Monitor Switch LEDs Look at the port LEDs for the switch to its wiring or connectors. A cable might take several minutes for troubleshooting information about the switch. Catalyst 2960 Switch Hardware Installation Guide 4-2 OL...the source and the destination. When POST completes, the system LED blinks amber. Note POST failures are usually fatal. Verify Switch Connections Review these situations: • Change the copper or fiber-optic cable with a known, good cable if necessary. • Look...
Hardware Installation Guide
Page 76
... section in its neighbor, but sometimes overlooked cause of port connectivity failure is received by its Content-Addressable Memory (CAM) table. Monitor Switch Performance Review these sections when you find unidirectional link problems. UDLD supports a normal mode of the link, the link does not come up until ... is a disabled port. Ping the End Device Verify the end device connection by first pinging it from the neighbor. Catalyst 2960 Switch Hardware Installation Guide 4-4 OL-7075-09 If necessary, re-enable the port or the interface. Spanning Tree Loops Spanning Tree Protocol ...
... section in its neighbor, but sometimes overlooked cause of port connectivity failure is received by its Content-Addressable Memory (CAM) table. Monitor Switch Performance Review these sections when you find unidirectional link problems. UDLD supports a normal mode of the link, the link does not come up until ... is a disabled port. Ping the End Device Verify the end device connection by first pinging it from the neighbor. Catalyst 2960 Switch Hardware Installation Guide 4-4 OL-7075-09 If necessary, re-enable the port or the interface. Spanning Tree Loops Spanning Tree Protocol ...
Hardware Installation Guide
Page 95
... this chapter to the small form-factor pluggable (SFP) modules, see Chapter 1, "Product Overview." Connecting to a power source, review the safety warnings in the Catalyst 2960 Switch Getting Started Guide for powering on an unconfigured switch by using the IP address 10.0.0.1. See these sections in Express Setup mode and then connecting an Ethernet port...
... this chapter to the small form-factor pluggable (SFP) modules, see Chapter 1, "Product Overview." Connecting to a power source, review the safety warnings in the Catalyst 2960 Switch Getting Started Guide for powering on an unconfigured switch by using the IP address 10.0.0.1. See these sections in Express Setup mode and then connecting an Ethernet port...