H3C Technologies H3C S3100 Series Switches - Manual (Page 847)

2-3
Configuring Global Tag Mapping Rules for Selective QinQ
Table 2-1 Configure global tag mapping rules for selective QinQ
Operation Command Description
Enter system view system-view —
Configure the outer VLAN tag
and enter QinQ view
vlan-vpn vid vlan-id Required
Configure to add outer VLAN
tags to the packets with the
specific inner VLAN tags
raw-vlan-id inbound
vlan-id-list
Required
By default, the feature of
adding an outer VLAN tag to
the packets with the specific
inner VLAN tags is disabled.
Do not enable both the selective QinQ function and the DHCP snooping function on a switch. Otherwise,
the DHCP snooping function may operate improperly.
Enabling the Selective QinQ Feature for a Port
Table 2-2 Enable the selective QinQ feature
Operation Command Description
Enter system view system-view —
Enter Ethernet port view
interface interface-type
interface-number
—
Enable the selective QinQ
feature
vlan-vpn selective enable
Required
By default, the selective QinQ
feature is not enabled on a port.
Selective QinQ Configuration Example
Processing Private Network Packets by Their Types
Network requirements
z Ethernet 1/0/3 of Switch A provides public network access for PC users and IP phone users. PC
users belong to VLAN 100 through VLAN 108, and IP phone users belong to VLAN 200 through
VLAN 230. Ethernet 1/0/5 of Switch A is connected to the public network. The peer end of Switch A
is Switch B.
z Ethernet 1/0/11 of Switch B is connected to the public network. Ethernet 1/0/12 and Ethernet1/0/13
of Switch B provide network access for PC servers belonging to VLAN 100 through VLAN 108 and
voice gateways (for IP phone users) belonging to VLAN 200 through VLAN 230 respectively.