ccna 交换机路由器学习笔记【百科全说】

操作方法

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vlan 的划分 en conf t vlan {vlan_id} name vlan-name intferface {intterface } switchport mode access switchport access vlan {vlan-id} sweitchport ruunk encapsulation {isl| dotlq|negotiate} 跨交换机trunk模式 switchport mode {dynamic auto | dynamic desirable |trunk} trunk 常用 vtp 的启用和管理 conf t 模式下 vtp mode server | client |transparent vtp domain domain-name vtp password password 设置vtp密码时候同一个域中密码必须一致8-64个字符 ------------------------------------------------ 访问控制列表 access-list 1 permit 172.20.0.0 0.0.255.255 interface ethemet 1 ip access-group 1 out | in access-list 1 deny 172.20.0.0 0.0.255.255 access-list 1 permit 0.0.0.0 255.255.255.255 访问控制列表控制vty 访问 access-list 12 permit ip 通配符掩码 conf t 下 line vty 4（号码） access-class 12 in ------------------------------------------------------ 扩展访问列表基于原地址目标地址指定的协议检查进入接口后 ip access-group access-list-number {in | out} access-list 101（大于100 小于199） deny tcp 172.16.4.0 0.0.0.255 （源ip）172.16.3.0 0.0.0.255 （目的ip）eq 21(端口) access-list 101 deny tcp 172.16.4.0 0.0.0.255 （源ip）172.16.3.0 0.0.0.255 （目的ip）eq 20(端口) access-list 101 permit any any interface eth 0 ip access-group 101 out 查看访问列表 sh ip int e1 e1端口的 show {protocol} access-lists {access-list-number} --------------------------------------- hdlc config-if encapsulation hdlc ppp 分为ncp 和lcp link 和network chap pap 两种验证一般选chap ppp 配置命令路由器1的配置 hostname rt1 username rt0 password sameone int async 0 encapsulation ppp ppp authentication CHAP 路由器0的配置 hostname rt0 username rt1 password sanmeone 注意 password 必须一致否则建立不起链接 int async 0 异步口 encapsulation ppp ppp authentication CHAP ------------------------------------------------------------------------- fr网络启用子接口点到点的配置 interface serial 0/0 no ip address encasulation frame-relay ! interface serial 0.2 point-to-point ip address ip mask bandwidth 32 frame-relay interface-dlci 110 ! interface ser 0.3 point-to-point ip address ip mask bandwidth 32 frame-relay interface-dhci 120 ! 点到多点的配置 interface serial0/1 no ip address encapsulation frame-relay ! interface serial 0/1.1 ip address ip mask bandwidth 64 frame-relay map ip ip1 120 broadcast frame-relay map ip ip2 130 broadcast frame-relay map ip ip3 140 broadcast --------------------------------------------------------------------- NAT技术 interface eth 0 ip address 内网ip mask ip nat inside ! interface serial 0 ip address 外网ip mask ip nat outside 是定外部接口！ ip nat inside source static 172.16.1.2 200.1.1.1 建立静态ip映射 ip classless ip route 0.0.0.0 0.0.0.0 200.1.1.2 动态nat技术 ip nat pool 名字 192.16.2.1 192.16.2.254 netmask 255.255.255.0 ip nat inside source list 1 pool 名字 ! interface eth0 ip address 10.1.1.1 255.255.255.0 ip nat inside ! interface ser 0 ip addresss 192.16.2.1 255.255.255.0 ip nat outsice ! access-list 1 permit 10.1.1.0 0.0.0.255 !

ccna 交换机路由器学习笔记

操作方法

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