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Displaying and maintaining DHCPv6 snooping
Execute display commands in any view, and reset commands in user view.
Task Command
Display information about trusted ports.
display ipv6 dhcp snooping trust
Display DHCPv6 snooping entries.
display ipv6 dhcp snooping binding
[
address
ipv6-address [
vlan
vlan-id ] ]
Display information about the file that stores DHCPv6
snooping entries.
display ipv6 dhcp snooping binding database
Display DHCPv6 packet statistics for DHCPv6
snooping (centralized devices in standalone mode).
display ipv6 dhcp snooping packet statistics
Display DHCPv6 packet statistics for DHCPv6
snooping (distributed devices in standalone
mode/centralized devices in IRF mode).
display ipv6 dhcp snooping packet statistics
[
slot
slot-number ]
Display DHCPv6 packet statistics for DHCPv6
snooping (distributed devices in IRF mode).
display ipv6 dhcp snooping packet statistics
[
chassis
chassis-number
slot
slot-number ]
Clear DHCPv6 snooping entries.
reset ipv6 dhcp snooping binding
{
all
|
address
ipv6-address [
vlan
vlan-id ] }
Clear DHCPv6 packet statistics for DHCPv6 snooping
(centralized devices in standalone mode).
reset ipv6 dhcp snooping packet statistics
Clear DHCPv6 packet statistics for DHCPv6 snooping
(distributed devices in standalone mode/centralized
devices in IRF mode).
reset ipv6 dhcp snooping packet statistics
[
slot
slot-number ]
Clear DHCPv6 packet statistics for DHCPv6 snooping
(distributed devices in IRF mode).
reset ipv6 dhcp snooping packet statistics
[
chassis
chassis-number
slot
slot-number ]
DHCPv6 snooping configuration example
Network requirements
As shown in Figure 113, configure GigabitEthernet 2/0/1 connecting to the DHCPv6 server as a
trusted port. Enable DHCPv6 snooping to record client information in DHCPv6 snooping entries.
Figure 113 Network diagram