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S12700 V200R012C00 Configuration Guide - Ethernet Switching

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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Binding an E-Trunk to a BFD Session

Binding an E-Trunk to a BFD Session


When the local device of an E-Trunk cannot rapidly detect whether the remote device is faulty by sending E-Trunk packets, it can use the Bidirectional Fast Detection (BFD) protocol to quickly detect faults on the remote device. You need to specify the remote IP address on the local device and create a BFD session to check the reachability of the route to the remote device. The E-Trunk then can detect faults reported by the BFD session and the faults can be processed quickly.


  1. Run system-view

    The system view is displayed.

  2. Run e-trunk e-trunk-id

    The E-Trunk view is displayed.

  3. Run e-trunk track bfd-session session-name bfd-session-name

    The E-Trunk is bound to a BFD session.

    BFD sessions are used to quickly detect faults of the link between the two E-Trunk member devices.

    When a BFD session is bound with E-Trunk, by default, the system does not allow the bound BFD session to be deleted. To delete the bound BFD session, run the bfd session nonexistent-config-check disable command to disable the device from checking whether the bound BFD session is deleted.

Updated: 2019-01-18

Document ID: EDOC1100038103

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