Why does the TCP connection fail even if the server and client both initiate a TCP connection

LDP sessions are established based on TCP connections using MD5 authentication. The TCP connection cannot be established, if one end is configured with MD5 authentication while the other end is not, or the MD5 passwords on the two ends are different. If MD5 cipher text authentication is proprietary on other vendors' devices, Huawei devices cannot set up a TCP connection with these devices.

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