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ipv6 dhcp snooping trust
Use ipv6 dhcp snooping trust to configure a port as a trusted port.
Use undo ipv6 dhcp snooping trust to restore the default state of a port.
Syntax
ipv6 dhcp snooping trust
undo ipv6 dhcp snooping trust
Default
After you enable DHCPv6 snooping, all ports are untrusted.
Views
Layer 2 Ethernet interface view, Layer 2 aggregate interface view
Predefined user roles
network-admin
Usage guidelines
Specify the port facing the DHCP server as trusted and specify the other ports as untrusted so DHCP
clients can obtain valid IP addresses.
Examples
# Specify Ten-GigabitEthernet1/0/1 as a trusted port.
<Sysname> system-view
[Sysname] interface Ten-GigabitEthernet1/0/1
[Sysname-Ten-GigabitEthernet1/0/1] ipv6 dhcp snooping trust
Related commands
display ipv6 dhcp snooping trust
reset ipv6 dhcp snooping binding
Use reset ipv6 dhcp snooping binding to clear DHCPv6 snooping entries.
Syntax
reset ipv6 dhcp snooping binding { all | address ipv6-address [ vlan vlan-id ] }
Views
User view
Predefined user roles
network-admin
Parameters
address ipv6-address: Clears the DHCPv6 snooping entry for the specified IPv6 address.
vlan vlan-id: Clears DHCPv6 snooping entries for the specified VLAN.
all: Clears all DHCPv6 snooping entries.
Examples
# Clear all DHCPv6 snooping entries.
<Sysname> reset ipv6 dhcp snooping binding all
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