qinq ethernet-type (system view)
Use qinq ethernet-type to set the TPID value in CVLAN tags.
Use undo qinq ethernet-type to restore the default TPID value in CVLAN tags.
Syntax
qinq ethernet-type customer-tag hex-value
undo qinq ethernet-type customer-tag
Default
The TPID value in CVLAN tags is 8100 in hexadecimal notation.
Views
System view
Predefined user roles
network-admin
Parameters
customer-tag: Sets the TPID value in the CVLAN tag.
hex-value: Sets a hexadecimal TPID value in the range of 1 to ffff, excluding the reserved EtherType values listed in Table 55.
Table 55: Reserved EtherType values
Protocol type | Value |
|---|---|
ARP | 0x0806 |
PUP | 0x0200 |
RARP | 0x8035 |
IP | 0x0800 |
IPv6 | 0x86dd |
PPPoE | 0x8863/0x8864 |
MPLS | 0x8847/0x8848 |
IPX/SPX | 0x8137 |
IS-IS | 0x8000 |
LACP | 0x8809 |
LLDP | 0x88cc |
802.1X | 0x888e |
802.1ag | 0x8902 |
Cluster | 0x88a7 |
Reserved | 0xfffd/0xfffe/0xffff |
Usage guidelines
A QinQ-enabled port uses the CVLAN TPID to match incoming tagged frames. An incoming frame is handled as untagged if its TPID is different from the CVLAN TPID.
Examples
# Set the TPID value in CVLAN tags to 8200 (hexadecimal).
<Sysname> system-view [Sysname] qinq ethernet-type customer-tag 8200
Related commands
qinq ethernet-type (interface view)