
CanogaOS Command Reference
40-39
dump Specify the output as format of Hexadecimal.
error Debug error information of DHCP snooping.
events Debug events of DHCP snooping.
packet Decodes DHCP receptions and transmissions.
Command Mode
Privileged EXEC
Usage
Examples
The following example shows a combination of DHCP snooping events and decoded receptions and
transmissions::
Switch# debug dhcp snooping events
Switch# debug dhcp snooping packet
Related Commands
debug dhcp relay
40.52 debug igmp
To display Internet Group Management Protocol (IGMP) packets received and sent, and IGMP-host
related events, use the debug ip igmp command in privileged EXEC mode. To disable debugging output,
use the no form of this command.
Command Syntax
debug igmp {all | decode | encode | events | fsm | tib}
no debug igmp {all | decode | encode | events | fsm | tib}
all Debug all information of IGMP.
decode IGMP decode.
encode IGMP encode.
events Debug events of IGMP.
fsm IGMP FSM.
tib IGMP Tree-Info-Base (TIB).
Command Mode
Privileged EXEC
Usage
This command helps discover whether the IGMP processes are functioning. In general, if IGMP is not
working, the process never discovers that another host is on the network that is configured to receive
multicast packets. In sparse mode, packets will never be delivered.
Use this command in conjunction with the debug pim commands to observe additional multicast activity
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