Command Manual – SSH
H3C S7500E Series Ethernet Switches Chapter 1 SSH Configuration Commands
1-27
Parameters
server: IPv4 address or name of the server, a string of 1 to 20 characters.
port-number: Port number of the server, in the range 0 to 65535. The default is 22.
prefer-ctos-cipher: Preferred encryption algorithm from client to server, defaulted to
aes128.
z 3des: Encryption algorithm 3des-cbc.
z aes128: Encryption algorithm aes128-cbc
z des: Encryption algorithm des-cbc.
prefer-ctos-hmac: Preferred HMAC algorithm from client to server, defaulted to sha1.
z md5: HMAC algorithm hmac-md5.
z md5-96: HMAC algorithm hmac-md5-96.
z sha1: HMAC algorithm hmac-sha1.
z sha1-96: HMAC algorithm hmac-sha1-96.
prefer-kex: Preferred key exchange algorithm, defaulted to dh-group-exchange.
z dh-group-exchange: Key exchange algorithm
diffie-hellman-group-exchange-sha1.
z dh-group1: Key exchange algorithm diffie-hellman-group1-sha1.
z dh-group14: Key exchange algorithm diffie-hellman-group14-sha1.
prefer-stoc-cipher: Preferred encryption algorithm from server to client, defaulted to
aes128.
prefer-stoc-hmac: Preferred HMAC algorithm from server to client, defaulted to sha1.
Description
Use the ssh2 command to establish a connection to an SSH server, and specify the
preferred key exchange algorithm, encryption algorithms, and HMAC algorithms of the
client and the server.
Examples
# Log in to remote SSH2 server 10.214.50.51, setting the algorithms as follows:
z Preferred key exchange algorithm: DH-group1
z Preferred encryption algorithm from server to client: AES128
z Preferred HMAC algorithm from client to server: MD5
z Preferred HMAC algorithm from server to client: SHA1-96.
<Sysname> ssh2 10.214.50.51 prefer-kex dh-group1 prefer-stoc-cipher aes128
prefer-ctos-hmac md5 prefer-stoc-hmac sha1-96
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