19-1
19 VLAN Mapping Configuration Commands
On the S7500E series switches, VLAN mapping is achieved mainly through QoS policies. This
chapter introduces part of the commands for ports involved in VLAN mapping. For QoS policy
configuration commands, see QoS Policy Configuration Commands in the ACL and QoS
Command Reference.
Only SC, SD, and EB boards support these three types of VLAN mappings. The SA and EA
boards support only one-to-one VLAN mapping. For detailed information on card types, see the
installation manual.
VLAN Mapping Configuration Commands
nest
Syntax
nest top-most vlan-id vlan-id
undo nest top-most
View
Traffic behavior view
Default Level
2: System Level
Parameters
vlan-id vlan-id: ID of the VLAN. The vlan-id argument is in the range 1 to 4094.
Description
Use the nest command to configure the action of inserting a VLAN tag for the traffic behavior.
Use the undo nest command to remove the action.
Note that:
If the nest action will be applied to the inbound direction of a port or port group on an EA LPU, the
classification rule must be configured with the if-match customer-vlan-id command, and the
other actions except remark dot1p cannot be configured in the traffic behavior. Additionally, you
must enable basic QinQ on the port or port group before applying the QoS policy.
If the nest action will be applied to the inbound direction of a port or port group on an SA, SC, SD
or EB LPU, you must enable basic QinQ on the port or port group first.
The nest action cannot be applied to a VLAN or globally.
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