H3C S7500E-X Configuration Manual page 226

# Configure the network-side port GigabitEthernet 1/0/3 to use the original VLAN tags of the
many-to-one mappings to replace the VLAN tags of the packets destined for the user network.
[SwitchC] interface gigabitethernet 1/0/3
[SwitchC-GigabitEthernet1/0/3] vlan mapping nni
# Configure GigabitEthernet 1/0/3 as a trunk port.
[SwitchC-GigabitEthernet1/0/3] port link-type trunk
# Assign GigabitEthernet 1/0/3 to the translated VLANs.
[SwitchC-GigabitEthernet1/0/3] port trunk permit vlan 501 to 503
# Configure GigabitEthernet 1/0/3 as a DHCP snooping trusted and ARP trusted port.
[SwitchC-GigabitEthernet1/0/3] dhcp snooping trust
[SwitchC-GigabitEthernet1/0/3] arp detection trust
[SwitchC-GigabitEthernet1/0/3] quit
Configure Switch D:
4.
# Create the translated VLANs.
<SwitchD> system-view
[SwitchD] vlan 501 to 503
# Configure GigabitEthernet 1/0/1 as a trunk port.
<SwitchD> system-view
[SwitchD] interface gigabitethernet 1/0/1
[SwitchD-GigabitEthernet1/0/1] port link-type trunk
# Assign GigabitEthernet 1/0/1 to the translated VLANs.
[SwitchD-GigabitEthernet1/0/1] port trunk permit vlan 501 to 503
[SwitchD-GigabitEthernet1/0/1] quit
Verifying the configuration
# Verify VLAN mapping information on the wiring-closet switches, for example, Switch A.
[SwitchA] display vlan mapping
Interface GigabitEthernet1/0/1:
Outer VLAN
1
2
3
Interface GigabitEthernet1/0/2:
Outer VLAN
1
2
3
# Verify VLAN mapping information on Switch C.
[SwitchC] display vlan mapping
Interface GigabitEthernet1/0/1:
Outer VLAN
101-102
201-202
301-302
Interface GigabitEthernet1/0/2:
Outer VLAN
103-104
203-204
Inner VLAN Translated Outer VLAN
N/A 101
N/A 201
N/A 301
Inner VLAN Translated Outer VLAN
N/A 102
N/A 202
N/A 302
Inner VLAN Translated Outer VLAN
N/A 501
N/A 502
N/A 503
Inner VLAN Translated Outer VLAN
N/A 501
N/A 502
Translated Inner VLAN
N/A
N/A
N/A
Translated Inner VLAN
N/A
N/A
N/A
Translated Inner VLAN
N/A
N/A
N/A
Translated Inner VLAN
N/A
N/A
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