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Configuration Guide - Ethernet Switching

S1720, S2700, S5700, and S6720 V200R012(C00 and C20)

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, and Layer 2 protocol transparent transmission.
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How Does a Switch Process BPDUs?

How Does a Switch Process BPDUs?

  • On the S5720EI, S5720HI, S5730HI, S6720EI, S6720HI, and S6720S-EI, an interface directly discards BPDUs by default. If BPDUs of a protocol need to be sent to the CPU for processing, enable functions of the protocol. For example, if STP BPDUs need to be sent to the CPU for processing, enable STP globally and on the interface.
  • On other models, BPDUs are sent to the CPU for processing by default. If BPDUs do not need to be sent to the CPU for processing, run the bpdu disable command to configure an interface to directly discard BPDUs.
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Updated: 2018-12-24

Document ID: EDOC1100038339

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