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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R012C00

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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Licensing Requirements and Limitations for QinQ

Licensing Requirements and Limitations for QinQ

Involved Network Elements

Other network elements are not required.

Licensing Requirements

QinQ is a basic feature of the switch and is not under license control.

Version Requirements

Table 10-7  Products and versions supporting QinQ

Product

Product Model

Software Version

S7700

S7703, S7706, S7712

V100R003C01, V100R006C00, V200R001(C00&C01), V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, V200R009C00, V200R010C00, V200R011C10, V200R012C00, V200R013C00

S7703 PoE

V200R013C00

S7706 PoE

V200R013C00

S9700

S9703, S9706, S9712

V200R001(C00&C01), V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007(C00&C10), V200R008C00, V200R009C00, V200R010C00, V200R011C10, V200R012C00, V200R013C00

NOTE:
For details about software mappings, visit Hardware Query Tool and search for the desired product model.

Feature Limitations

  • For the precautions for configuring QinQ on a sub-interface, see Licensing Requirements and Limitations for VLAN Termination.
  • ES0D0G24SA00, ES0D0G24CA00, EH1D2G24SSA0, and EH1D2S24CSA0 cards cannot add double tags to untagged packets, whereas other cards can add double tags to untagged packets.
  • The switch uses the outer VLAN tag of packets to determine where to forward the packets and to learn MAC address entries.
  • Selective QinQ is recommended to be enabled on a hybrid interface . Selective QinQ can take effect on the interface only in the inbound direction.
  • If an interface configured with VLAN stacking needs to remove the outer tag from outgoing frames, the interface must join the VLAN specified by stack-vlan in untagged mode. If the outer tag does not need to be removed, the interface must join the VLAN specified by stack-vlan in tagged mode.
  • When selective QinQ is configured on an interface, the interface can add only one outer VLAN tag to a received frame with an inner VLAN tag, and the outer VLAN ID must exist. If the outer VLAN ID does not exist, the services where selective QinQ is configured are unavailable.
  • If only single-tagged packets from a VLAN need to be transparently transmitted, do not specify the VLAN as the inner VLAN for selective QinQ. For ES0D0G24SA00, ES0D0G24CA00, EH1D2G24SSA0, and EH1D2S24CSA0 cards of SA cards, after selective QinQ is configured on an interface, the VLAN from which single-tagged packets are transparently transmitted must be mapped to itself using the port vlan-mapping command (for example, port vlan-mapping vlan 20 map-vlan 20).
  • If VLAN stacking is configured, do not configure stack-vlan as the VLAN corresponding to the VLANIF interface.

  • VLAN-based flow mirroring allows the switch to identify only the outer VLAN tag of QinQ packets.
  • The globally configured traffic-limit command that takes effect for all interfaces in the inbound direction is invalid for QinQ packets.
  • After VLAN stacking is configured on an interface of an SA series card, SEP, ERPS, or RRPP cannot be configured on this interface.
  • If the PW-side interface is a Layer 3 interface switched by the undo portswitch command, the AC-side interface cannot be a Layer 3 interface or subinterface belonging to a Layer 3 interface; otherwise, traffic forwarding is abnormal.

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Updated: 2019-01-18

Document ID: EDOC1100038843

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