华为交换机telnet配置和端口防环网

telnet server en/部分交换机用这个telnet server-source all-intface

user-interface vty 0 4
protocol inbound all
authentication-mode password
set authentication password cipher admin@123
user privilege level 15

华为交换机防环

1 stp mode stp 配置交换设备的STP工作模式

2 stp pathcost-standard legacy

# 配置端口路径开销计算方法为华为计算方法。

  stp bpdu-protection

配置SwitchB的BPDU保护功能。

3  interface gigabitethernet 0/0/2

[SwitchB-GigabitEthernet0/0/2] stp edged-port enable

配置端口为边缘端口。

4 interface gigabitethernet 0/0/2

loopback-detect enable

使能接口的Loopback Detection功能

5 配置Loopback Detection处理动作和环路消失后接口的自动恢复时间

interface gigabitethernet 0/0/2

loopback-detect action block

loopback-detect recovery-time 30

6查看配置结果

display loopback-detect

[SwitchA] display loopback-detect

Loopback-detect sending-packet interval: 5                                     

(A): Auto Loopback-detect                                                                                                           

-----------------------------------------------------------------                                                                   

Interface                     RecoverTime  Action     Status                                                                        

-----------------------------------------------------------------

GigabitEthernet0/0/1          30           block      NORMAL

-----------------------------------------------------------------

上述显示信息表明配置成功。