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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R011C10

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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How Do I Restore the Default VLAN Configuration of an Interface?

How Do I Restore the Default VLAN Configuration of an Interface?

The default VLAN configuration of an interface involves the default VLAN of the interface and the VLAN that the interface joins. By default, the default VLAN configuration of an interface is as follows:
  • Access: The default VLAN is VLAN 1, and an access interface joins VLAN 1 in untagged mode.
  • Trunk: The default VLAN is VLAN 1, and a trunk interface joins VLAN 1 to VLAN 4094 in tagged mode. That is, a trunk interface allows all VLANs.
  • Hybrid: The default VLAN is VLAN 1, and a hybrid interface joins VLAN 1 in untagged mode.
  • Dot1q-tunnel: The default VLAN is VLAN 1, and a dot1q-tunnel interface joins VLAN .1
  • Negotiation-auto or Negotiation-desirable: If the interface is negotiated as an access interface, the default VLAN configuration of the interface is the same as that of the access interface. If the interface is negotiated as a trunk interface, the default VLAN is VLAN 1 and the interface joins VLANs 1 to 4094 in tagged mode. That is, the interface allows all VLANs.

Run the display this include-default | include link-type command in the interface view to check the link type of the interface, and then perform one of the following configurations to restore the default configuration of the interface.

  • Restore the default VLAN configuration of an access or dot1q-tunnel interface.
    <HUAWEI> system-view
    [HUAWEI] interface gigabitethernet 1/0/1
    [HUAWEI-GigabitEthernet1/0/1] undo port default vlan
  • Restore the default VLAN configuration of a trunk interface.
    <HUAWEI> system-view
    [HUAWEI] interface gigabitethernet 1/0/1
    [HUAWEI-GigabitEthernet1/0/1] undo port trunk pvid vlan
    [HUAWEI-GigabitEthernet1/0/1] undo port trunk allow-pass vlan all
    [HUAWEI-GigabitEthernet1/0/1] port trunk allow-pass vlan 1
  • Restore the default VLAN configuration of a hybrid interface.
    <HUAWEI> system-view
    [HUAWEI] interface gigabitethernet 1/0/1
    [HUAWEI-GigabitEthernet1/0/1] undo port hybrid pvid vlan
    [HUAWEI-GigabitEthernet1/0/1] undo port hybrid vlan all
    [HUAWEI-GigabitEthernet1/0/1] port hybrid untagged vlan 1
  • Restore the default VLAN configuration of the Negotiation-auto or Negotiation-desirable interface.
    <HUAWEI> system-view
    [HUAWEI] interface gigabitethernet 1/0/1
    [HUAWEI-GigabitEthernet1/0/1] undo port default vlan
    [HUAWEI-GigabitEthernet1/0/1] undo port trunk pvid vlan
    [HUAWEI-GigabitEthernet1/0/1] port trunk allow-pass vlan all
    
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Updated: 2019-10-18

Document ID: EDOC1000178310

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