Configuration Guide DHCPv6 Snooping Commands
15.11 ipv6 dhcp snooping link-detection
Use this command to clear the dynamic binding entry on an interface when the interface links down.
Use the no form of this command to restore the default setting.
ipv6 dhcp snooping link-detection
no ipv6 dhcp snooping link-detection
This function is disabled by default.
Global configuration mode
By default, the dynamic binding entries are not cleared on a wired interface when the interface links
down. With this function enabled, the dynamic binding entries are auto-cleared on an interface when
the interface is in the LINK DOWN status.
The following example clears the dynamic binding entry on a wired interface when the interface is in
the LINK DOWN status.
Ruijie# configure terminal
Ruijie(config)# ipv6 dhcp snooping link-detection
Displays the configuration information of the
DHCPv6 Snooping.