How to handle the outer VLAN priority of Vlan-Stacking for a port

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If the remark-8021p parameter is not set for Vlan-Stacking:

For the S2700&S3700SI&S3700EI&S5700SI&S5700EI, the outer VLAN priority is 0. After trust 8021p is set for the port, the outer VLAN priority inherits the inner VLAN priority.

For switches except S2700&S3700SI&S3700EI&S5700SI&S5700EI, the outer VLAN priority inherits the inner VLAN priority by default.

If the remark-8021p parameter is set for Vlan-Stacking:

The S5700EI and S6700 switches do not support remark-8021p. Even this parameter is set, the outer VLAN priority cannot be changed.

Other switches support remark-8021p.

Other related questions:
Voice VLAN priority modification method on an AR router
Voice VLAN priority configuration methods for low-end AR devices and high-end AR devices are different. - For high-end devices such as AR2200, AR3200, and AR3600, their chips support ACL. After an interface is added to the voice VLAN, packet priorities can be changed to 6 by default based on the ACL or defined by running the voice-vlan remark command. - For low-end devices such as AR120, AR150, AR160, AR200, AR500, and AR1200, their chips do not support ACL. Therefore, packet priorities cannot be automatically changed but can be defined by running the vlan priority command.

How do I set the VLAN priority on the IAD
You can set the VLAN priority in either of the following ways: Use the web management system. For details, see Configuration > Manual Configuration (Web) > Advanced Configuration > Configuring the VLAN in the eSpace IAD Product Documentation. Use the CLI. For details, see Configuration > Manual Configuration (CLI) > Advanced Configuration > Configuring the VLAN in the eSpace IAD Product Documentation. NOTE: IAD101H/102H/104H supports only the CLI mode.

Does the S6700 on which vlan-mapping and vlan-stacking are configured support remark 8021p
The S6700 does not support remark 8021p.

How to delete a single VLAN or VLANs in a batch
The device supports deletion of a single VLAN or VLANs in a batch. Delete VLAN 10. system-view [HUAWEI] undo vlan 10Delete VLAN 10 to VLAN 20 in a batch. system-view [HUAWEI] undo vlan batch 10 to 20 NOTE: In the earlier versions of V200R005, before deleting a VLAN where a VLANIF interface has been configured, run the undo interface vlanif command to delete the VLANIF interface.

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