Preference - Cisco Nexus 7000 Series Command Reference Manual

P Commands

preference

To enable verification that the advertised preference (in preference option) is greater than the minimum
specified limit and less than the maximum specified limit, use the preference command in Dynamic Host
Configuration Protocol version 6 (DHCPv6) guard configuration mode. To remove the preference, use the
no form of this command.
preference {max| min}limit
Syntax Description
limit
Command Default
No preference value is set.
Command Modes
DHCPv6 guard configuration (config-dhcp-guard)
Command History
Release
8.0(1)
Usage Guidelines
This command enables verification that the advertised preference is not greater than the maximum specified
limit or less than the minimum specified limit.
Examples The following example defines an DHCPv6 guard policy name as policy1, places the router in DHCPv6 guard
configuration mode, and enables verification that the advertised preference is not greater than 254 or less than
2:
switch(config)# ipv6 dhcp guard policy policy1
switch(config-dhcp-guard)# preference min 2
switch(config-dhcp-guard)# preference max 254
Related Commands
Command
ipv6 dhcp guard policy
The maximum or minimum limit that the advertised
preference must conform to. The acceptable range is
from 0 to 255.
Modification
This command was introduced.
Description
Defines the DHCPv6 guard policy name.
Cisco Nexus 7000 Series Security Command Reference
preference
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