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Catalyst 3560 Switch Command Reference
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Appendix B Catalyst 3560 Switch Debug Commands
debug mvrdbg
debug mvrdbg
Use the debug mvrdbg privileged EXEC command to enable debugging of Multicast VLAN
Registration (MVR). Use the no form of this command to disable debugging.
debug mvrdbg {all | events | igmpsn | management | ports}
no debug mvrdbg {all | events | igmpsn | management | ports}
Syntax Description
Defaults Debugging is disabled.
Command Modes Privileged EXEC
Command History
Usage Guidelines The undebug mvrdbg command is the same as the no debug mvrdbg command.
Related Commands
all Display all MVR activity debug messages.
events Display MVR event-handling debug messages.
igmpsn Display MVR Internet Group Management Protocol (IGMP) snooping-activity
debug messages.
management Display MVR management-activity debug messages.
ports Display MVR port debug messages.
Release Modification
12.1(19)EA1 This command was introduced.
Command Description
show debugging Displays information about the types of debugging that are enabled. For
syntax information, select Cisco IOS Release 12.2 Configuration Guides
and Command References > Cisco IOS Configuration Fundamentals
Configuration Guide, Release 12.2 > System Management >
Troubleshooting and Fault Management.
show mvr Displays the current MVR configuration.