3 SWITCH

发布时间：2019-07-02 13:39:03编辑：auto阅读（1464）

    三 三层交换

    1 实验拓扑图
    2 配置命令
    1）s1配置：
    enable
    vlan database
    vlan 10 name 10
    vlan 20 name 20
    exit
    congfigure terminal
    hostname s1
    interface range fastethernet 0/1 – 3
    switchport trunk encapsulation dot1q
    no shutdown
    exit
    interface fastethernet 0/2
    switchport access vlan 10
    exit
    interface fastethernet 0/3
    switchport access vlan 20
    exit
    interface fastethernet 0/3
    switchport mode trunk
    2)s2配置：
    enable
    vlan database
    vlan 10 name 10
    vlan 20 name 20
    exit
    configure terminal
    hostname s2
    interface fastethernet 0/1
    switchport mode trunk
    no shutdown
    exit
    interface fastethernet 0/2
    no switchport
    ip address 192.168.3.1 255.255.255.0
    no shutdown
    exit
    ip routing
    interface vlan 10
    ip address 192.168.1.1 255.255.255.0
    no shutdown
    exit
    interface vlan 20
    ip address 192.168.2.1 255.255.255.0
    no shutdown
    exit
    router rip
    network 192.168.1.0
    network 192.168.2.0
    network 192.168.3.0
    version 2
    3)r1配置：
    enable
    configure terminal
    hostname r1
    interface fastethernet 0/0
    ip address 192.168.3.2 255.255.255.0
    no shutdown
    exit
    interface fastethernet 1/0
    ip address 192.168.4.1 255.255.255.0
    no shutdown
    exit
    router rip
    network 192.168.3.0
    network 192.168.4.0
    version 2
    4)配置DHCP中继转发
       interface vlan vlan 号
       ip helper-address dhcpserver-address
    3：查看配置
    1）  查看路由表
    show ip route
    2)查看FIB表
       show ip cef
    3)查看邻接关系表
       show adjacenly detail

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