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[SwitchC] display vlan mapping
Interface Twenty-FiveGigE1/0/1:
Outer VLAN Inner VLAN Translated Outer VLAN Translated Inner VLAN
101-102 N/A 501 N/A
201-202 N/A 502 N/A
301-302 N/A 503 N/A
Interface Twenty-FiveGigE1/0/2:
Outer VLAN Inner VLAN Translated Outer VLAN Translated Inner VLAN
103-104 N/A 501 N/A
203-204 N/A 502 N/A
303-304 N/A 503 N/A
Example: Configuring one-to-two and two-to-two VLAN
mapping
Network configuration
As shown in Figure 9:
• Two VPN A branches, Site 1 and Site 2, are in VLAN 5 and VLAN 6, respectively.
• The two sites use different VPN access services from different service providers, SP 1 and SP
2.
• SP 1 assigns VLAN 100 to Site 1 and Site 2. SP 2 assigns VLAN 200 to Site 1 and Site 2.
Configure one-to-two VLAN mappings and two-to-two VLAN mappings to enable the two branches
to communicate across networks SP 1 and SP 2.
Figure 9 Network diagram
Procedure
1. Configure PE 1:
# Create VLANs 5 and 100.
<PE1> system-view
[PE1] vlan 5
[PE1-vlan5] quit
[PE1] vlan 100
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