227
Protocol type Value
IPX/SPX 0x8137
IS-IS 0x8000
LACP 0x8809
LLDP 0x88cc
802.1X 0x888e
802.1ag 0x8902
Cluster 0x88a7
Reserved 0xfffd/0xfffe/0xffff
Configuring the TPID for CVLAN tags
Perform this task on the PE device.
To configure the TPID value for CVLAN tags:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Configure the TPID value for
CVLAN tags.
qinq ethernet-type
customer-tag
hex-value
The default setting is 0x8100.
Configuring the TPID for SVLAN tags
Perform this task on the service provider-side ports of PEs.
When you configure the TPID value for SVLAN tags on a port, do not enable QinQ on it.
To configure the TPID value for SVLAN tags:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter Layer 2 Ethernet
interface view or Layer 2
aggregate interface view.
interface
interface-type
interface-number
N/A
3. Configure the TPID value for
SVLAN tags.
qinq ethernet-type service-tag
hex-value
The default setting is 0x8100.
Setting the 802.1p priority in SVLAN tags
By default, the 802.1p priority in the SVLAN tag added by a QinQ-enabled port depends on the
priority trust mode on the port.
• If the 802.1p priority in frames is trusted, the device copies the 802.1p priority in the CVLAN tag
to the SVLAN tag.
• If the 802.1p priority in frames is not trusted, the device copies the port priority (0 by default) to
the SVLAN tag.
To set the 802.1p priority in SVLAN tags: