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Method and apparatus for supporting bidirectional forwarding (BFD) over multi-chassis link aggregation group (MC-LAG) in internet protocol (IP) multiprotocol label switching (MPLS) networks
Method and apparatus for supporting bidirectional forwarding (BFD) over multi-chassis link aggregation group (MC-LAG) in internet protocol (IP) multiprotocol label switching (MPLS) networks
Methods and apparatuses for enabling sub-seconds link failure detection in a multi-chassis link aggregation group (MC-LAG) system are described. A first network device of a packet network transmits a Multiprotocol Label Switching (MPLS) encapsulated packet over a first link that is part of the MC-LAG, where the MC-LAG couples the first network device with a second network device and a third network device and the second and third network devices are part of an inter-chassis redundancy (ICR) system. The MPLS encapsulated packet includes a generic associated channel header (ACH) and a payload, and where the payload includes a bidirectional forwarding detection (BFD) control packet.
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