R21xx-HP FlexFabric 11900 Layer 2 LAN Switching Configuration Guide

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Figure 35 Basic concepts of VLAN mapping
One-to-one VLAN mapping
Figure 36 One-to-one VLAN mapping implementation
In Figure 36, after you configure one-to-one VLAN mapping on the customer-side port, the device
replaces the CVLAN with the SVLAN for the uplink traffic and replaces the SVLAN with the CVLAN for
the downlink traffic.
One-to-two VLAN mapping
Figure 37 One-to-two VLAN mapping implementation
In Figure 37, one-to-two VLAN mapping is implemented as follows:
SP
Network-side port
Customer-side port
Uplink traffic
Downlink traffic