
Issue Description
Q:
Does the MA5200G V300R200 supports the configuration of multiple outer VLANs on one sub-interface enabled with QinQ?

Handling Process
A:
1. The MA5200G V300R200 supports the configuration of multiple outer VLANs on one sub-interface enabled with QinQ.
2. The MA5200G V300R300 does not support the configuration of multiple outer VLANs on one sub-interface enabled with QinQ.
The configuration of the MA5200G V300R200:
interface Eth-Trunk1.4
user-vlan 1 99 qinq 5
user-vlan 500 501 qinq 4
pppoe-server bind Virtual-Template 1
bas
access-type layer2-subscriber
The configuration of the MA5200G V200R300:
interface Eth-Trunk1/0/0.72
qinq-vlan 1819
user-vlan 300 1196
pppoe-server bind Virtual-Template 1
undo shutdown
bas
access-type layer2-subscriber