BFD multi-hop detection method and device

• Main Author: CAI SHIQIN
• Format: Patent
• Language: Chinese; English
• Published: 03.12.2019
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention provides a BFD multi-hop detection method and device. The method comprises the following steps: after a BFD session between home terminal network equipment and opposite terminal networkequipment is established, sequentially acquiring address information of all intermediate network equipment between the home terminal network equipment and the opposite terminal network equipment, andrecording the address information of all the intermediate network equipment into a first information base; after the BFD session is abnormal, sequentially acquiring address information of each intermediate network equipment which can be reached by the home terminal network equipment, and recording the address information of each intermediate network equipment into a second information base; comparing the address information in the first information base with the address information in the second information base, and determining that a link between the target address information in the first information base and the ne