华为ensp ppp链路认证
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ppp认证pap
[R3]aaa
[R3-aaa]local-user huawei password cipher huawei123
Info: Add a new user.
[R3-aaa]local-user huawei service-type ppp
[R3]int s0/0/0
[R3-Serial0/0/0]link-protocol ppp
[R3-Serial0/0/0]ppp authentication-mode pap
[R3-Serial0/0/0]shutdown
[R3-Serial0/0/0]undo shutdown
[R1]int s0/0/0
[R1-Serial0/0/0]ppp pap local-user huawei password cipher huawei123
[R1-Serial0/0/0]shutdown
[R1-Serial0/0/0]undo shutdown
pap:密码认证协议;两次握手,验证过程仅在初始建立阶段进行,品令为明文,不是一种安全的验证协议。
ppp认证chap
[R3]aaa
[R3-aaa]local-user huawei password cipher huawei123
Info: Add a new user.
[R3-aaa]local-user huawei service-type ppp
[R3]int s0/0/0
[R3-Serial0/0/0]link-protocol ppp
[R3-Serial0/0/0]ppp authentication-mode chap
[R3-Serial0/0/0]shutdown
[R3-Serial0/0/0]undo shutdown
[R1]int s0/0/0
[R1-Serial0/0/0]ppp chap user huawei
[R1-Serial0/0/0]ppp chap password cipher huawei123
[R1-Serial0/0/0]shutdown
[R1-Serial0/0/0]undo shutdown
CHAP:挑战式握手协议;三次握手,只传输用户名,不传输用户密码,安全性要比pap高,验证完成后 随时可以进行二次认证,一旦认证错误链接被终止。
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