C-23
Catalyst 2950 and Catalyst 2955 Switch Command Reference
OL-10102-01
Appendix C Catalyst 2950 and 2955 Switch Debug Commands
debug sw-vlan ifs
debug sw-vlan ifs
Use the debug sw-vlan ifs privileged EXEC command to enable debugging of the VLAN manager Cisco
IOS file system (IFS) error tests. Use the no form of this command to disable debugging.
debug sw-vlan ifs {open {read | write} | read {1 | 2 | 3 | 4} | write}
no debug sw-vlan ifs {open {read | write} | read {1 | 2 | 3 | 4} | write}
Syntax Description
Defaults Debugging is disabled.
Command Modes Privileged EXEC
Command History
Usage Guidelines When selecting the file read operation, Operation 1 reads the file header, which contains the header
verification word and the file version number. Operation 2 reads the main body of the file, which
contains most of the domain and VLAN information. Operation 3 reads type length version (TLV)
descriptor structures. Operation 4 reads TLV data.
The undebug sw-vlan ifs command is the same as the no debug sw-vlan ifs command.
Related Commands
open {read | write} Display VLAN manager IFS file-open operation debug messages. The
keywords have these meanings:
• read—Display VLAN manager IFS file-read operation debug messages.
• write—Display VLAN manager IFS file-write operation debug
messages.
read {1 | 2 | 3 | 4} Display file-read operation debug messages for the specified error test (1, 2,
3, or 4).
write Display file-write operation debug messages.
Release Modification
12.1(6)EA2 This command was introduced.
Command Description
show debugging Displays information about the types of debugging that are enabled. For
syntax information, select Cisco IOS Configuration Fundamentals
Command Reference for IOS Release 12.1 > Cisco IOS System
Management Commands > Troubleshooting Commands.
show vlan Displays the parameters for all configured VLANs or one VLAN (if the
VLAN name or ID is specified) in the administrative domain.
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