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Configuration procedure
1. Configure Device A:
# Create VLAN 10.
<DeviceA> system-view
[DeviceA] vlan 10
[DeviceA-vlan10] quit
# Configure GigabitEthernet 1/0/3 to trunk VLAN 10.
[DeviceA] interface gigabitethernet 1/0/3
[DeviceA-GigabitEthernet1/0/3] port link-type trunk
[DeviceA-GigabitEthernet1/0/3] port trunk permit vlan 10
[DeviceA-GigabitEthernet1/0/3] quit
# Assign IPv6 address 10::1/64 to VLAN-interface 10.
[DeviceA] interface vlan-interface 10
[DeviceA-Vlan-interface10] ipv6 address 10::1/64
[DeviceA-Vlan-interface10] quit
2. Configure Device B:
# Create VLAN 10.
<DeviceB> system-view
[DeviceB] vlan 10
[DeviceB-vlan10] quit
# Configure GigabitEthernet 1/0/1, GigabitEthernet 1/0/2, and GigabitEthernet 1/0/3 to trunk
VLAN 10.
[DeviceB] interface gigabitethernet 1/0/1
[DeviceB-GigabitEthernet1/0/1] port link-type access
[DeviceB-GigabitEthernet1/0/1] port access vlan 10
[DeviceB-GigabitEthernet1/0/1] quit
[DeviceB] interface gigabitethernet 1/0/2
[DeviceB-GigabitEthernet1/0/2] port link-type access
[DeviceB-GigabitEthernet1/0/2] port access vlan 10
[DeviceB-GigabitEthernet1/0/2] quit
[DeviceB] interface gigabitethernet 1/0/3
[DeviceB-GigabitEthernet1/0/3] port link-type trunk
[DeviceB-GigabitEthernet1/0/3] port trunk permit vlan 10
[DeviceB-GigabitEthernet1/0/3] quit
# Enable ND attack detection for VLAN 10.
[DeviceB] vlan 10
[DeviceB-vlan10] ipv6 nd detection enable
# Enable ND snooping for IPv6 global unicast addresses and ND snooping for IPv6 link-local
addresses in VLAN 10.
[DeviceB-vlan10] ipv6 nd snooping enable global
[DeviceB-vlan10] ipv6 nd snooping enable link-local
[DeviceB-vlan10] quit
# Configure GigabitEthernet 1/0/3 as ND trusted interface.
[DeviceB] interface gigabitethernet 1/0/3
[DeviceB-GigabitEthernet1/0/3] ipv6 nd detection trust
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