华三交换机ssh不到华为交换机

华三交换机ssh不到华为交换机，日志提示密钥算法不匹配，需要怎么修改密钥算法

debug日志

*Jul 19 06:01:18:723 SSHC/7/EVENT: Connection established. *Jul 19 06:01:19:130 SSHC/7/EVENT: PAM initialization result: 0. . *Jul 19 06:01:19:139 SSHC/7/EVENT: PAM: Resources released. rsion - *Jul 19 06:01:19:140 SSHC/7/EVENT: Enabling compatibility mode for protocol 2.0 *Jul 19 06:01:19:143 SSHC/7/EVENT: Get self version string Comware-7.1.070 *Jul 19 06:01:19:144 SSHC/7/EVENT: Local version string SSH-2.0-Comware-7.1.070 *Jul 19 06:01:19:145 SSHC/7/MESSAGE: Prepare packet[20]. *Jul 19 06:01:19:149 SSHC/7/MESSAGE: Received packet type 20. *Jul 19 06:01:19:150 SSHC/7/EVENT: Received SSH2_MSG_KEXINIT. *Jul 19 06:01:19:150 SSHC/7/EVENT: My proposal kex: stp384,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 v3-ecdsa-sha2-nistp384,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ssh-rsa,ssh-dss r,AEAD_AES_128_GCM,AEAD_AES_256_GCM,aes128-cbc,3des-cbc,aes256-cbc,des-cbc r,AEAD_AES_128_GCM,AEAD_AES_256_GCM,aes128-cbc,3des-cbc,aes256-cbc,des-cbc c-sha1,hmac-md5,hmac-sha1-96,hmac-md5-96 c-sha1,hmac-md5,hmac-sha1-96,hmac-md5-96 *Jul 19 06:01:19:160 SSHC/7/EVENT: Kex strings(6): none,zlib,zlib@ope***.*** *Jul 19 06:01:19:161 SSHC/7/EVENT: Kex strings(7): none,zlib,zlib@ope***.*** *Jul 19 06:01:19:161 SSHC/7/EVENT: Kex strings(8): *Jul 19 06:01:19:161 SSHC/7/EVENT: Kex strings(9): *Jul 19 06:01:19:162 SSHC/7/EVENT: Peer proposal kex: ings(0): diffie-hellman-group-exchange-sha256 *Jul 19 06:01:19:162 SSHC/7/EVENT: Kex strings(1): rsa-sha2-512,rsa-sha2-256 ***.***,aes256-ctr,aes128-ctr,aes256-cbc,aes128-cbc,3des-cbc ***.***,aes256-ctr,aes128-ctr,aes256-cbc,aes128-cbc,3des-cbc hmac-sha2-256-96,hmac-sha1,hmac-sha1-96,hmac-md5,hmac-md5-96 hmac-sha2-256-96,hmac-sha1,hmac-sha1-96,hmac-md5,hmac-md5-96 *Jul 19 06:01:19:168 SSHC/7/EVENT: Kex strings(6): none,zlib *Jul 19 06:01:19:168 SSHC/7/EVENT: Kex strings(7): none,zlib *Jul 19 06:01:19:169 SSHC/7/EVENT: Kex strings(8): *Jul 19 06:01:19:169 SSHC/7/EVENT: Kex strings(9): hmac-sha2-256, Compress: none hmac-sha2-256, Compress: none r UNKNOWN because of key exchange algorithm mismatch. diffie-hellman-group-exchange-sha256 Connection closed.

3层组网 ping没问题 telnet没问题