HP 5120 EI Switch Series

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[SwitchA-Vlan-interface10] quit
2. Configuring Switch B
# Enable IPv6 forwarding.
<SwitchB> system-view
[SwitchB] ipv6
# Create VLAN 10.
[SwitchB] vlan 10
[SwitchB-vlan10] quit
# Assign ports GigabitEthernet 1/0/1 to GigabitEthernet 1/0/3 to VLAN 10.
[SwitchB] interface GigabitEthernet 1/0/1
[SwitchB-GigabitEthernet1/0/1] port link-type trunk
[SwitchB-GigabitEthernet1/0/1] port trunk permit vlan 10
[SwitchB-GigabitEthernet1/0/1] quit
[SwitchB] interface GigabitEthernet 1/0/2
[SwitchB-GigabitEthernet1/0/2] port link-type trunk
[SwitchB-GigabitEthernet1/0/2] port trunk permit vlan 10
[SwitchB-GigabitEthernet1/0/2] quit
[SwitchB] interface GigabitEthernet 1/0/3
[SwitchB-GigabitEthernet1/0/3] port link-type trunk
[SwitchB-GigabitEthernet1/0/3] port trunk permit vlan 10
[SwitchB-GigabitEthernet1/0/3] quit
# Enable ND snooping in VLAN 10.
[SwitchB] vlan 10
[SwitchB-vlan 10] ipv6 nd snooping enable
# Enable ND detection in VLAN 10.
[SwitchB-vlan 10] ipv6 nd detection enable
[SwitchB-vlan 10] quit
# Configure the uplink port GigabitEthernet 1/0/3 as an ND-trusted port, and the downlink ports
GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 as ND-untrusted ports (the default).
[SwitchB] interface GigabitEthernet 1/0/3
[SwitchB-GigabitEthernet 1/0/3] ipv6 nd detection trust
The configuration enables Switch B to check all incoming ND packets of ports GigabitEthernet 1/0/1
and GigabitEthernet 1/0/2 based on the ND snooping table.