PLANET XGS3-24042 - Manual (Page 1049)

58-2
Usage Guide:
After enable the prefix check function, if the IPv6 address prefix of the packets does not accord with
the link prefix, then do not establish the corresponding IPv6 address binding. If users enable the
matched address prefix of the link, configure the local address prefix of fe80::/64 first to accept the
packets with the source address as local link address. Disable address prefix check function by
default.
Example:
Enable SAVI address prefix check function.
Switch(config)#ipv6 cps prefix check enable
58.1.3 ipv6 dhcp snooping trust
Command:
ipv6 dhcp snooping trust
no ipv6 dhcp snooping trust
Function:
Configure the port as dhcpv6 trust port, it does not establish dynamic DHCPv6 binding again and
allows all DHCPv6 protocol packets to pass; no command deletes the port trust function.
Command Mode:
Port Mode.
Default:
Disable.
Usage Guide:
Set the port as dhcpv6 trust attribute, enable uplink port of the switch with SAVI function for
connecting dhcpv6 server or dhcpv6 relay generally.
Example:
Set ethernet1/0/1 to be DHCP trust port.
Switch(config)#interface ethernet1/0/1
Switch(config-if-ethernet1/0/1)#ipv6 dhcp snooping trust
58.1.4 ipv6 nd snooping trust
Command:
ipv6 nd snooping trust
no ipv6 nd snooping trust
Function: