Cisco FAN-MOD-6HS= Datasheet download pdf (Page 320)

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Release Notes for Cisco IOS Release 12.1E on the Catalyst 6500 and Cisco 7600 Supervisor Engine and MSFC

OL-2310-11

Troubleshooting

supervisor engines are installed. With the switch in a nonredundant configuration, do the conversion

separately for each supervisor engine, and then configure redundancy. This problem is resolved in

Release 12.1(1)E. (CSCdp55717)

• Partial support exists for the CISCO-FLASH-MIB. This problem is resolved in Release 12.1(1)E.

• Partial support exists for the BRIDGE-MIB (RFC 1493). This problem is resolved in

Release 12.1(1)E. (CSCdm44194)

• Partial support exists for the CISCO-STP-EXTENSIONS-MIB. This problem is resolved in

Release 12.1(1)E. (CSCdp50869)

Troubleshooting

These sections describes troubleshooting guidelines for the Catalyst 6500 series switch configuration:

• Recovering From Loss of the Boot Loader Image, page 320

• System Troubleshooting, page 320

• Module Troubleshooting, page 321

• VLAN Troubleshooting, page 321

• Spanning Tree Troubleshooting, page 321

• Additional Troubleshooting Information, page 323

Note To attempt recovery from MSFC ROMMON, enter the confreg 0x2102 and reset ROMMON commands.

Recovering From Loss of the Boot Loader Image

If you lose the boot loader image, refer to this online publication for boot loader image recovery

procedures:

http://www.cisco.com/warp/customer/473/14.html

System Troubleshooting

This section contains troubleshooting guidelines for system-level problems:

• When the system is booting and running power-on diagnostics, do not reset the switch.

• After you initiate a switchover from the active supervisor engine to the redundant supervisor engine,

or when you insert a redundant supervisor engine in an operating switch, always wait until the

supervisor engines have synchronized and all modules are online before you remove or insert

modules or supervisor engines or perform another switchover.

• If you have an interface whose speed is set to auto connected to another interface whose speed is

set to a fixed value, configure the interface whose speed is set to a fixed value for half duplex.

Alternately, you can configure both interfaces to a fixed-value speed and full duplex.

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Cisco FAN-MOD-6HS= Datasheet Page 320