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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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Default Settings for LDT and LBDT

Default Settings for LDT and LBDT

Table 20-5  Default setting for LDT


Default Setting


Disabled globally and in a VLAN, and enabled on an interface

Action taken after a loop is detected


Interval for sending LDT packets


Interface recovery time


Table 20-6  Default setting for LBDT
Parameter Default Setting

Automatic LBDT


Manual LBDT

Disabled on an interface and in a VLAN

Action after a loop is detected


Interval for sending LBDT packets


Interface recovery time

3 times the interval for sending detection packets
Updated: 2019-01-18

Document ID: EDOC1100038843

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