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Configuration procedure
Before configuring an IPv4 over IPv6 tunnel, make sure Switch A and Switch B have the
corresponding VLAN interfaces created and can reach each other.
•
Configure Switch A:
# Enable IPv6.
<SwitchA> system-view
[SwitchA] ipv6
# Specify an IPv4 address for VLAN-interface 100.
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] ip address 30.1.1.1 255.255.255.0
[SwitchA-Vlan-interface100] quit
# Specify an IPv6 address for VLAN-interface 101, the physical interface of the tunnel.
[SwitchA] interface vlan-interface 101
[SwitchA-Vlan-interface101] ipv6 address 2001::1:1 64
[SwitchA-Vlan-interface101] quit
# Create service loopback group 1 to support the tunnel service.
[SwitchA] service-loopback group 1 type tunnel
# Assign Ethernet 1/0/3 to service loopback group 1, and disable STP, NDP, and LLDP.
[SwitchA] interface Ethernet 1/0/3
[SwitchA-Ethernet1/0/3] undo stp enable
[SwitchA-Ethernet1/0/3] undo ndp enable
[SwitchA-Ethernet1/0/3] undo lldp enable
[SwitchA-Ethernet1/0/3] port service-loopback group 1
[SwitchA-Ethernet1/0/3] quit
# Create interface Tunnel 1.
[SwitchA] interface tunnel 1
# Specify an IPv4 address for interface Tunnel 1.
[SwitchA-Tunnel1] ip address 30.1.2.1 255.255.255.0
# Configure the tunnel encapsulation mode.
[SwitchA-Tunnel1] tunnel-protocol ipv4-ipv6
# Specify the IP address of VLAN-interface 101 as the source address for interface Tunnel 1.
[SwitchA-Tunnel1] source 2001::1:1
# Specify the IP address of VLAN-interface 101 on Switch B as the destination address of
interface Tunnel 1.
[SwitchA-Tunnel1] destination 2002::2:1
# Reference service loopback group 1 on the tunnel.
[SwitchA-Tunnel1] service-loopback-group 1
[SwitchA-Tunnel1] quit
# Configure a static route from Switch A through interface Tunnel 1 to Group 2.
[SwitchA] ip route-static 30.1.3.0 255.255.255.0 tunnel 1
•
Configure Switch B:
# Enable IPv6.
<SwitchB> system-view
[SwitchB] ipv6
# Specify an IPv4 address for VLAN-interface 100.
[SwitchB] interface vlan-interface 100
[SwitchB-Vlan-interface100] ip address 30.1.3.1 255.255.255.0
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Troubleshooting
