Filter Configuration Command Reference
524 Router Configuration Guide
The no form of the command reverts to the default wherein the host creation proceeds as normal.
Default no action
Parameters bypass-host-creation — Specifies that the host creation is bypassed.
drop  — Specifies that the DHCP message is dropped.
option
Syntax option dhcp-option-number {present | absent}
option dhcp-option-number match hex hex-string [exact] [invert-match]
option dhcp-option-number match string ascii-string [exact] [invert-match]
no option
Context config>filter>dhcp-filter>entry
Description This command configures the match criteria for the DHCP filter policy entry.
The no form of the command reverts to the default.
Default no option
Parameters dhcp-option-number — Specifies the DHCP option number.
Values 0 to 255
present  — Specifies that the related DHCP option must be present.
absent — Specifies that the related DHCP option must be absent.
match hex hex-string — The option must (partially) match a specified hex string.
Values 0x0..0xFFFFFFFF...(max 254 hex nibbles)
match string ascii-string — The option must (partially) match a specified ASCII string.
Values Up to 127 characters 
exact — This option requires an exact match of a hex or ascii string. 
invert-match — Requires the option not to (partially) match.
Filter Log Commands
destination
Syntax destination memory num-entries
destination syslog syslog-id
no destination