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CLI-based Configuration Guide - Reliability

AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009

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Which Interfaces Can I Configure a BFD Session On?

Which Interfaces Can I Configure a BFD Session On?

In V200R001C00, only Ethernet interfaces support BFD sessions.

In V200R001C01 and later versions, the following interfaces support common BFD sessions:
  • Physical interfaces: Layer 3 Ethernet interfaces, serial interfaces (including synchronous SA interfaces, E1/T1 interfaces, CE1/CT1/PRI interfaces, CE3 interfaces, and CPOS interfaces), POS interfaces, ATM interfaces (including ADSL interfaces, VDSL interfaces, E1-IMA interfaces, and G.SHDSL interfaces).

  • Logical interfaces: Ethernet sub-interfaces (including Dot1q sub-interfaces and QinQ sub-interfaces), dialer interfaces, VLANIF interfaces, Layer 3 Eth-Trunks, IP-Trunk interfaces, MP-Group interfaces, MFR interfaces, IMA-group interfaces, serial sub-interfaces, channelized serial sub-interfaces, IMA-group sub-interfaces, POS sub-interfaces, ATM sub-interfaces, MFR sub-interfaces, and Eth-Trunk sub-interfaces (Dot1q sub-interfaces).

    NOTE:

    When a physical Ethernet interface consists of multiple sub-interfaces, a BFD session can be established on the physical Ethernet interface or each sub-interface.

In V200R001C01 and later versions, the following interfaces support multicast BFD sessions:
  • Physical interfaces: Layer 2 and Layer 3 Ethernet interfaces

  • Logical interfaces: Layer 2 Eth-Trunks and Layer 3 Eth-Trunks

NOTE:
  • Multicast BFD sessions cannot be established on Layer 2 Ethernet interfaces, Layer 2 Eth-Trunks, or Layer 3 Eth-Trunks of AR120-S, AR150-S, AR160-S, AR200-S, and AR1200-S's SRUs.

  • When a physical Ethernet interface consists of multiple sub-interfaces, a BFD session can be established on the physical Ethernet interface or each sub-interface.

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Updated: 2019-05-17

Document ID: EDOC1000174116

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