IP Router Configuration 
7705 SAR OS Router Configuration Guide 207
mode
Syntax mode {dropped-only | ingr-and-dropped | egr-ingr-and-dropped}
no mode
Context debug>router>ip>dhcp
debug>router>local-dhcp-server
Description This command enables debugging for the DHCP tracing mode.
The no form of the command disables debugging.
icmp
Syntax [no] icmp
Context debug>router>ip
Description This command enables or disables ICMP debugging.
icmp6
Syntax icmp6 [ip-int-name]
no icmp6
Context debug>router>ip
Description This command enables or disables ICMPv6 debugging. If an interface is specified, debugging only 
occurs on that interface.
Parameters ip-int-name — only debugs the specified IP interface
Values 32 characters maximum
interface
Syntax [no] interface [ip-int-name | ip-address]
Context debug>router>ip
Description This command enables or disables debugging for virtual interfaces.