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DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch CLI Reference Guide 
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Parameters 
buffer - Let the debug message output to buffer. 
console - Let the debug message output to console. 
 
Restrictions 
Only Administrator-level users can issue this command. 
 
Example 
To set debug information to output to a console: 
DGS-3120-24TC:admin#debug dhcpv6_relay output console 
Command: debug dhcpv6_relay output console 
 
Success. 
 
 
22-18  debug dhcpv6_relay packet (EI Mode Only) 
Description 
This command is used to enable or disable the debug information flag of the DHCPv6 relay packet, 
including packets receiving and sending. 
 
Format 
debug dhcpv6_relay packet [all | receiving | sending] state [enable | disable] 
 
Parameters 
all - Set packet receiving and sending debug flags. 
receiving - Set packet receiving debug flag. 
sending - Set packet sending debug flag. 
state - Specify the state of the designated flags. 
enable - Enable the designated flags. 
disable - Disable the designated flags. 
 
Restrictions 
Only Administrator-level users can issue this command. 
 
Example 
To enabled the DHCPv6 relay packet sending debug: 
DGS-3120-24TC:admin#debug dhcpv6_relay packet sending state enable 
Command: debug dhcpv6_relay packet sending state enable 
 
Success.