CCNA vlan间实现互访

卡卡520

Switch#conf t

    Enter configuration commands, one per line. End with CNTL/Z.

    Switch（config）#vla 2

    Switch（config-vlan）#int f0/1

    Switch（config-if）#switchport mode access

    Switch（config-if）#switchport access vlan 1

    Switch（config-if）#int f0/2

    Switch（config-if）#switchport mode access

    Switch（config-if）#switchport access vlan 2

    Switch（config-if）#exit

    Switch（config）#ip routing   '开启路由功能

    Switch（config）#int vlan 1

    Switch（config-if）#no shutdown

    %LINK-5-CHANGED: Interface Vlan1, changed state to up

    %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up

    Switch（config-if）#ip address 192.168.1.254 255.255.255.0

    Switch（config-if）#int vlan 2

    %LINK-5-CHANGED: Interface Vlan2, changed state to up

    %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan2, changed state to upSwitch（config-if）#no shut

    Switch（config-if）#no shutdown

    Switch（config-if）#ip address 192.168.2.254 255.255.255.0

    Switch（config-if）#end

    %SYS-5-CONFIG_I: Configured from console by console

    Switch#sh ip rou

    Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

    D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

    N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

    E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

    i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

    * - candidate default, U - per-user static route, o - ODR

    P - periodic downloaded static route

    Gateway of last resort is not set

    C    192.168.1.0/24 is directly connected, Vlan1

    C    192.168.2.0/24 is directly connected, Vlan2

    Switch#

    不同VLAN的主机ping测试通讯：

    Packet Tracer PC Command Line 1.0

    PC>ipconfig /all

    Physical Address……： 0030.A399.6C5B

    IP Address……： 192.168.1.1

    Subnet Mask……： 255.255.255.0

    Default Gateway……： 192.168.1.254

    DNS Servers……： 0.0.0.0

    PC>ping 192.168.2.1

    Pinging 192.168.2.1 with 32 bytes of data:

    Reply from 192.168.2.1: bytes=32 time=63ms TTL=127

    Reply from 192.168.2.1: bytes=32 time=63ms TTL=127

    Reply from 192.168.2.1: bytes=32 time=62ms TTL=127

    Reply from 192.168.2.1: bytes=32 time=63ms TTL=127

    Ping statistics for 192.168.2.1:

    Packets: Sent = 4, Received = 4, Lost = 0 （0% loss），

    Approximate round trip times in milli-seconds:

    Minimum = 62ms, Maximum = 63ms, Average = 62ms

    PC>

    不同VLAN通讯需要第三层的路由器，没有三层交换机时，可以用一个路由器加一个交换机做单臂路由：

路由器的设置：

    Router>en

    Router#conf t

    Enter configuration commands, one per line. End with CNTL/Z.

    Router（config）#int f0/0

    Router（config-if）#no shut

    %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

    %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

    Router（config-if）#int f0/0.1

    %LINK-5-CHANGED: Interface FastEthernet0/0.1, changed state to up

    %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.1, changed state to upRouter（config-subif）#en

    Router（config-subif）#encapsulation dot1Q 1 native

    Router（config-subif）#ip address 192.168.1.254 255.255.255.0

    Router（config-subif）#int f0/0.2

    %LINK-5-CHANGED: Interface FastEthernet0/0.2, changed state to up

    %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.2, changed state to upRouter（config-subif）#en

    Router（config-subif）#encapsulation dot1Q 2

    Router（config-subif）#ip address 192.168.2.254 255.255.255.0

    Router（config-subif）#end

    %SYS-5-CONFIG_I: Configured from console by console

    Router#

    交换机的配置：

    Switch>en

    Switch#conf t

    Enter configuration commands, one per line. End with CNTL/Z.

    Switch（config）#vla 2

    Switch（config-vlan）#int f0/2

    Switch（config-if）#switchport access vlan 2

    Switch（config-if）#switchport mode access

    Switch（config-if）#exit

    Switch（config）#int f0/1

    Switch（config-if）#switchport mode access

    Switch（config-if）#switchport access vlan 1

    Switch（config-if）#end

    %SYS-5-CONFIG_I: Configured from console by console

    Switch#sh vlan br

    VLAN Name                             Status    Ports

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

    1    default                          active    Fa0/1, Fa0/3, Fa0/4, Fa0/5

    Fa0/6, Fa0/7, Fa0/8, Fa0/9

    Fa0/10, Fa0/11, Fa0/12, Fa0/13

    Fa0/14, Fa0/15, Fa0/16, Fa0/17

    Fa0/18, Fa0/19, Fa0/20, Fa0/21

    Fa0/22, Fa0/23, Fa0/24

    2    VLAN0002                         active    Fa0/2

    1002 fddi-default                     active

    1003 token-ring-default               active

    1004 fddinet-default                  active

    1005 trnet-default                    active

    Switch#conf t

    Enter configuration commands, one per line. End with CNTL/Z.

    Switch（config）#int f0/24

    Switch（config-if）#switchport mode trunk

    Switch（config-if）#

    %LINK-5-CHANGED: Interface FastEthernet0/24, changed state to up

    %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/24, changed state to up

    PC间ping测试：

    PC>ipconfig /all

    Physical Address……： 00E0.8FE0.8D94

    IP Address……： 192.168.1.1

    Subnet Mask……： 255.255.255.0

    Default Gateway……： 192.168.1.254

    DNS Servers……： 0.0.0.0

    PC>ping 192.168.2.1

    Pinging 192.168.2.1 with 32 bytes of data:

    Reply from 192.168.2.1: bytes=32 time=125ms TTL=127

    Reply from 192.168.2.1: bytes=32 time=125ms TTL=127

    Reply from 192.168.2.1: bytes=32 time=125ms TTL=127

    Reply from 192.168.2.1: bytes=32 time=125ms TTL=127

    Ping statistics for 192.168.2.1:

    Packets: Sent = 4, Received = 4, Lost = 0 （0% loss），

    Approximate round trip times in milli-seconds:

    Minimum = 125ms, Maximum = 125ms, Average = 125ms

    PC>

ct1051

辛苦了

空谷8悠蓝

378718095

阿斯蒂芬阿斯顿飞

langous

膜拜神贴，后面的请保持队形~

encitianfaliuli

encitianfaliuli

Luce

hjj93996

感谢分享