網絡環境中,遠端登入交換機是網絡管理者進行配置和管理的基礎。華為交換機作為一種廣泛使用的網絡裝置,提供了多種遠端登入方式,其中包括Telnet。Telnet遠端登入允許管理者通過網絡連接配接到交換機的指令行界面,進行各種配置和監控操作。Telnet遠端登入,它為網絡管理者提供了便捷的管理方式,無需直接實體接入裝置。通過Telnet,管理者可以在任何具有網絡連接配接的計算機上遠端登入交換機,并進行諸如配置接口、設定VLAN、管理路由等操作。
然而,盡管Telnet遠端登入提供了便利,但請注意Telnet是一種明文傳輸協定,安全性較低。為了提高網絡安全性,建議使用更安全的遠端登入協定,如SSH(Secure Shell)。在實施Telnet遠端登入之前,請確定網絡環境安全,并采取必要的安全措施,如強密碼政策和通路控制清單(ACL)的配置。
本文将向您介紹如何配置華為交換機以啟用Telnet遠端登入方式,以便您可以輕松地遠端管理和配置您的網絡裝置,有需要的友友們,可以參考下。
實驗網絡拓撲
配置思路
1、基礎配置,確定拓撲中的網絡裝置,都能保持暢通
2、配置Telnet ,這裡以AR1路由器為例
3、測試Telnet 配置是否成功,這裡從AR2路由上Telnet 到AR1上
詳細配置
1、基礎配置
AR1 路由器接口配置
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]undo inf
[Huawei]undo info-center en
Info: Information center is disabled.
[Huawei]
[Huawei]
[Huawei]in
[Huawei]inter
[Huawei]interface gi
[Huawei]interface GigabitEthernet 0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 192.168.1.1 24
[Huawei-GigabitEthernet0/0/0]int gi 0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 192.168.13.1 24
[Huawei-GigabitEthernet0/0/1]q
[Huawei]q
<Huawei>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<Huawei>
AR2路由器接口配置
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]undo inf
[Huawei]undo info-center en
Info: Information center is disabled.
[Huawei]
[Huawei]int
[Huawei]interface gi
[Huawei]interface GigabitEthernet 0/0/0
[Huawei-GigabitEthernet0/0/0]ip add 192.168.13.2 24
[Huawei-GigabitEthernet0/0/0]int gi 0/0/1
[Huawei-GigabitEthernet0/0/1]ip add 192.168.2.1 24
[Huawei-GigabitEthernet0/0/1]q
[Huawei]q
<Huawei>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait.......
Configuration file had been saved successfully
Note: The configuration file will take effect after being activated
<Huawei>
PC1主機配置
PC2主機配置
測試基礎配置
各自所在網段的主機PC1/PC2與各自網關的連通性
通過上述測試,我們看到
PC1
ping 192.168.1.1 暢通
PC2
ping 192.168.2.1 暢通
2、配置Telnet 登入資訊
這裡以AR1路由器為例,
AR1路由器配置登入資訊
#配置最大vty使用者界面為15
[Huawei]user
[Huawei]user-?
user-bind User bind
user-group User group
user-interface Configure the user terminal interface
[Huawei]user-int
[Huawei]user-interface ?
INTEGER<0,129-149> The first user terminal interface to be configured
console Primary user terminal interface
current The current user terminal interface
maximum-vty The maximum number of VTY users, the default value is 5
tty The asynchronous serial user terminal interface
vty The virtual user terminal interface
[Huawei]user-interface max
[Huawei]user-interface maximum-vty 15
[Huawei]user-in
#進入vty使用者界面視圖
[Huawei]user-interface vty 0 4
#配置認證模式為password
[Huawei-ui-vty0-4]au
[Huawei-ui-vty0-4]authentication-mode
[Huawei-ui-vty0-4]au
[Huawei-ui-vty0-4]authentication-mode pa
[Huawei-ui-vty0-4]authentication-mode password
#設定明文密碼
Please configure the login password (maximum length 16):123
#設定password登入密碼
[Huawei-ui-vty0-4]set au
[Huawei-ui-vty0-4]set authentication pa
[Huawei-ui-vty0-4]set authentication password ci
[Huawei-ui-vty0-4]set authentication password cipher huawei123
#設定使用者權限為15(最高,擁有全部權限
[Huawei-ui-vty0-4]user
[Huawei-ui-vty0-4]user pr
[Huawei-ui-vty0-4]user privilege lev
[Huawei-ui-vty0-4]user privilege level 15
[Huawei-ui-vty0-4]
[Huawei-ui-vty0-4]
測試Telnet
這裡從AR2路由上Telnet AR1
<AR2>
<AR2>telnet 192.168.13.1
Press CTRL_] to quit telnet mode
Trying 192.168.13.1 ...
Connected to 192.168.13.1 ...
Login authentication
Password:
Password timeout expired
Password:
寫在最後:
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作者簡介:
我是“網絡系統技藝者”,系統運維工程師一枚,持續分享【網絡技術+系統運維技術】幹貨。碼字不易,如果您覺得文章還可以,就收藏吧,也許在以後某個時間能夠用得到。