实验拓扑图如下：

批注 2019-03-29 152344.jpg

一·设置无密码方式登陆

TelnetClient配置如下：

命令前一行为简写，后一行为Tab键补全，操作熟悉后可使用简写命令

Press ENTER to get started.

<H3C>

<H3C>%Mar 29 15:51:56:824 2019 H3C SHELL/5/SHELL_LOGIN: Console logged in from con0.

------------------------进入系统

<H3C>sys

System View: return to User View with Ctrl+Z.

----------------------进入系统模式进行配置

[H3C]int g0/0

[H3C-GigabitEthernet0/0]ip add

[H3C-GigabitEthernet0/0]ip address 192.168.1.1 24 ----------------------进入接口进行配置

[H3C-GigabitEthernet0/0]qu

[H3C]sysn

[H3C]sysname client ----------------------修改用户名

[client]ping 192.168.1.2 ----------------------网络测试

Ping 192.168.1.2 (192.168.1.2): 56 data bytes, press CTRL_C to break

56 bytes from 192.168.1.2: icmp_seq=0 ttl=255 time=2.000 ms

56 bytes from 192.168.1.2: icmp_seq=1 ttl=255 time=1.000 ms

56 bytes from 192.168.1.2: icmp_seq=2 ttl=255 time=0.000 ms

56 bytes from 192.168.1.2: icmp_seq=3 ttl=255 time=0.000 ms

56 bytes from 192.168.1.2: icmp_seq=4 ttl=255 time=1.000 ms

--- Ping statistics for 192.168.1.2 ---

5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss

round-trip min/avg/max/std-dev = 0.000/0.800/2.000/0.748 ms

[client]%Mar 29 15:54:03:608 2019 client PING/6/PING_STATISTICS: Ping statistics for 192.168.1.2: 5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss, round-trip min/avg/max/std-dev = 0.000/0.800/2.000/0.748 ms.

命令效果如下：

批注 2019-03-29 161723.jpg

TelnetServer配置如下：

命令前一行为简写，后一行为Tab键补全，操作熟悉后可使用简写命令

Press ENTER to get started.

<H3C>

<H3C>%Mar 29 15:52:48:456 2019 H3C SHELL/5/SHELL_LOGIN: Console logged in from con0.

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]sysn

[H3C]qu

<H3C>sys

<H3C>system-view

System View: return to User View with Ctrl+Z.

[H3C]sysn

[H3C]sysname server

[server]int

[server]interface g0/0

[server-GigabitEthernet0/0]ip add

[server-GigabitEthernet0/0]ip address 192.168.1.2 24

[server-GigabitEthernet0/0]qu

[server]telnet ser

[server]telnet server en

[server]telnet server enable ---------开启Telnet服务

[server]line vty 0

[server]line vty 0 63 ---------进入vty接口

[server-line-vty0-63]auth

[server-line-vty0-63]authentication-mode none ---------设置无密码登陆

[server-line-vty0-63]qu

命令效果如下：

批注 2019-03-29 161802.jpg

在Telnetclient上测试

<client>telnet 192.168.1.2 ----------------------测试

Trying 192.168.1.2 ...

Press CTRL+K to abort

Connected to 192.168.1.2 ...

• Copyright (c) 2004-2017 New H3C Technologies Co., Ltd. All rights reserved.*

• Without the owner's prior written consent, *

• no decompiling or reverse-engineering shall be allowed. *

<server> ----------------------成功登陆

命令效果如下：

批注 2019-03-29 161832.jpg

此时TelnetServer上会显示：

批注 2019-03-29 161901.jpg

提示192.168.1.1通过VTY虚拟通道成功登陆！

下一节讲解通过默认用户加密码方式登陆。
欢迎留言谈论，及时联系作者请扫描下方二维码！

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