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我那台v7设备客户是可以输入密码登录的 这个v5设备 他登录的时候显示 the connction is closed by ssh server 是什么问题

你好 还在吗

配置检查过有问题吗？如下是v5的案例，您要不参考在配置下： 3、 ssh登录 3-1、要求：SW1可以ssh登录SW2，禁止SW3通过ssh登录SW2 IP信息：SW1E0/4/0:192.168.1.2/24;SW3E0/4/0:192.168.2.2/24 3-2、SW2配置： <SW2>system-view System View: return to User View with Ctrl+Z. [SW2]interface Ethernet 0/4/0 [SW2-Ethernet0/4/0]ip ad 192.168.1.1 24 [SW2]interface Ethernet 0/4/1 [SW2-Ethernet0/4/1]ip ad 192.168.2.1 24 [SW2]public-key local create dsa //生成dsa密钥 The range of public key size is (512 ~ 2048). NOTES: If the key modulus is greater than 512, It will take a few minutes. Press CTRL+C to abort. Input the bits of the modulus[default = 1024]: Generating Keys... ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++* [SW2]public-key local create rsa //生成rsa密钥配置 The range of public key size is (512 ~ 2048). NOTES: If the key modulus is greater than 512, It will take a few minutes. Press CTRL+C to abort. Input the bits of the modulus[default = 1024]: Generating Keys... ++++ ++++++++++++++++++++++++++ +++++++++++++ ++++++ [SW2]ssh user admin service-type stelnet authentication-type password //配置ssh用户admin的服务类型为stelnet，认证方式为password（此步骤可不配置） [SW2]local-user admin //创建新用户 New local user added. [SW2-luser-admin]password simple admin //配置密码 [SW2-luser-admin]service-type ssh //服务类型设置为ssh [SW2-luser-admin]authorization-attribute level 3 //服务等级为level3 [SW2-luser-admin]quit [SW2]acl number 2000 //配置acl允许192.168.1.0网段ssh登陆其他拒绝 [SW2-acl-basic-2000]rule 0 permit source 192.168.1.1 0.0.0.255 [SW2-acl-basic-2000]quit [SW2]ssh server enable //开启ssh服务 Info: Enable SSH server. [SW2]user-interface vty 0 4 //创建虚拟用户 [SW2-ui-vty0-4]authentication-mode scheme //验证为用户名密码验证 [SW2-ui-vty0-4]acl 2000 inbound //调用acl [SW2-ui-vty0-4]protocol inbound ssh 类型ssh [SW2-ui-vty0-4]quit