JohnLyu的blog

橙汁事务所艾欧泽亚分部

0%

单臂路由

Posted on Edited on In

实验记录

网络初始构造

网络构造如图所示:

PC1,2,4属于VLAN2, 其他的属于VLAN3, 其中PCn的ip为192.168.{vlan}.n0.

例如, pc1属于vlan2, ip为192.168.2.10.

配置交换机

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Switch(config)#interface FastEthernet0/1
Switch(config-if)#switchport access vlan 2
Switch(config-if)#exit
Switch(config)#interface FastEthernet0/2
Switch(config-if)#switchport access vlan 2
Switch(config-if)#exit
Switch(config)#interface FastEthernet0/3
Switch(config-if)#switchport access vlan 3
Switch(config-if)#exit
Switch(config)#interface FastEthernet0/4
Switch(config-if)#switchport access vlan 2
Switch(config-if)#exit
Switch(config)#interface FastEthernet0/5
Switch(config-if)#switchport access vlan 3
Switch(config-if)#exit
Switch(config)#interface FastEthernet0/6
Switch(config-if)#switchport access vlan 3
Switch(config-if)#exit
Switch(config)#interface FastEthernet0/7
Switch(config-if)#switchport access vlan 3
Switch(config-if)#exit
Switch(config)#interface FastEthernet0/8
Switch(config-if)#switchport access vlan 3
Switch(config-if)#exit

Switch(config)#interface GigabitEthernet0/1
Switch(config-if)#
Switch(config-if)#switchport mode trunk

查看VLAN 

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Switch#show vlan brief

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    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
                                                Gig0/2
2    VLAN2                            active    Fa0/1, Fa0/2, Fa0/4
3    VLAN3                            active    Fa0/3, Fa0/5, Fa0/6, Fa0/7
                                                Fa0/8
1002 fddi-default                     active    
1003 token-ring-default               active    
1004 fddinet-default                  active    
1005 trnet-default                    active

配置单臂路由

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Router(config)#int fastEthernet 0/0.1 
Router(config-subif)#
%LINK-5-CHANGED: Interface FastEthernet0/0.1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.1, changed state to up

Router(config-subif)#encapsulation dot1Q 2
Router(config-subif)#ip address 192.168.2.1 255.255.255.0
Router(config-subif)#exit

Router(config)#int fastEthernet 0/0.2
Router(config-subif)#
%LINK-5-CHANGED: Interface FastEthernet0/0.2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.2, changed state to up

Router(config-subif)#encapsulation dot1Q 3
Router(config-subif)#ip address 192.168.3.1 255.255.255.0
Router(config-subif)#exit

测试

pc1 ping pc5

1
2
3
4
5
6
7
8
9
10
11
12
13
C:\>ping 192.168.3.50

Pinging 192.168.3.50 with 32 bytes of data:

Reply from 192.168.3.50: bytes=32 time=2ms TTL=127
Reply from 192.168.3.50: bytes=32 time=1ms TTL=127
Reply from 192.168.3.50: bytes=32 time<1ms TTL=127
Reply from 192.168.3.50: bytes=32 time=38ms TTL=127

Ping statistics for 192.168.3.50:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 38ms, Average = 10ms

小结

注意配置sub interface时, 必须手动开启802.1Q协议