251
103-104 N/A 501 N/A
203-204 N/A 502 N/A
303-304 N/A 503 N/A
One-to-two and two-to-two VLAN mapping configuration
example
Network requirements
As shown in Figure 82:
• 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 82 Network diagram
Configuration procedure
1. Configure PE 1:
# Create VLANs 5 and 100.
<PE1> system-view
[PE1] vlan 5
[PE1-vlan5] quit
[PE1] vlan 100
[PE1-vlan100] quit
# Configure a one-to-two VLAN mapping on the customer-side port (Ten-GigabitEthernet 1/0/1)
to add SVLAN tag 100 to packets from VLAN 5.
[PE1] interface ten-gigabitethernet 1/0/1
[PE1-Ten-GigabitEthernet1/0/1] vlan mapping nest single 5 nested-vlan 100
# Configure Ten-GigabitEthernet 1/0/1 as a hybrid port.
[PE1-Ten-GigabitEthernet1/0/1] port link-type hybrid
# Assign Ten-GigabitEthernet 1/0/1 to VLAN 5 as a tagged member.
[PE1-Ten-GigabitEthernet1/0/1] port hybrid vlan 5 tagged
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