1
<Huawei>sys
2
Enter system view, return user view with Ctrl+Z.
3
[Huawei]sys SW1
4
[SW1]undo info en
5
Info: Information center is disabled.
6
[SW1]interface g0/0/1
7
[SW1-GigabitEthernet0/0/1]undo negotiation auto
8
# 关闭自动协商功能
9
'意味着该端口不再与对端设备协商速率和工作模式'
10
'而是手动强制配置,无论对端是什么设备,都会按此执行'
11
[SW1-GigabitEthernet0/0/1]speed 100
12
# 强制设置速率为 100Mbps
13
[SW1-GigabitEthernet0/0/1]duplex ?
14
  full  Full-Duplex mode
15
  half  Half-Duplex mode
16
'全双工（Full Duplex）'
17
'半双工（Half Duplex）'
18
[SW1-GigabitEthernet0/0/1]duplex half
19
# 强制设置为半双工
20
"这里对面是一台PC机,我觉得这里应该为full,这里老师因该是把PC机模拟成了一个hub"
21
#进行降级,降为半双工
22
[SW1-GigabitEthernet0/0/1]dis this
23
#
24
interface GigabitEthernet0/0/1
25
 port media type copper
26
  duplex half
27
#

1
<Huawei>sys
2
Enter system view, return user view with Ctrl+Z.
3
[Huawei]sys SW2
4
[SW2]undo info en
5
Info: Information center is disabled.
6
# 关闭推送
7

8

9
1.创建VLAN id
10
'创建VLAN id 的取值范围是1到4096'
11
# 默认是VLAN 1,都允许通过
12
[SW2]vlan 10
13
[SW2-vlan10]q
14
[SW2]vlan 20
15
[SW2-vlan20]q
16
# 这种是创建单个的VLAN id
17
# 创建之后自动进入到相应的VLAN id里面,比较麻烦
18
'创建多个连续的VLAN（加to）,或者不连续的VLAN（空格隔开）'
19
[SW2]vlan batch 2 to 5
20
Info: This operation may take a few seconds. Please wait for a moment...done.
21
# 创建多个连续的vlan id
22
----------------------------
23
[SW2]vlan batch 15 25 35
24
Info: This operation may take a few seconds. Please wait for a moment...done.
25
# 创建多个不连续的vlan id
26

27

28
2.查看相应接口的VLAN id 以及对应的PVID
29
# 默认接口类型都是hybrid
30
[SW2]dis port vlan
31
Port                    Link Type    PVID  Trunk VLAN List
32
-----------------------------------------------------------
33
Ethernet0/0/1           hybrid       1     -
34
Ethernet0/0/2           hybrid       1     -
35
Ethernet0/0/3           hybrid       1     -
36
.......
37
GigabitEthernet0/0/1    hybrid       1     -
38
GigabitEthernet0/0/2    hybrid       1     -
39

40

41
3.查看指定VLAN的详细信息
42
'包括VLAN ID、类型、描述、VLAN的状态、VLAN中的端口、以及VLAN中端口的模式等'
43
[SW2]dis vlan 10
44
------------------------------------------------------------------
45
U: Up;         D: Down;         TG: Tagged;         UT: Untagged;
46
MP: Vlan-mapping;               ST: Vlan-stacking;
47
#: ProtocolTransparent-vlan;    *: Management-vlan;
48
-------------------------------------------------------------------
49

50
VID  Type    Ports
51
-------------------------------------------------------------------
52
10   common
53

54
VID  Status  Property      MAC-LRN Statistics Description
55
-------------------------------------------------------------------
56
10   enable  default       enable  disable    VLAN 0010
57
'查看泛泛的vlan,这里是我SW1配置好之后的样子'
58
[SW1]dis vlan
59
The total number of vlans is : 3
60
---------------------------------------------------------------------
61
U: Up;         D: Down;         TG: Tagged;         UT: Untagged;
62
MP: Vlan-mapping;               ST: Vlan-stacking;
63
#: ProtocolTransparent-vlan;    *: Management-vlan;
64
---------------------------------------------------------------------
65

66
VID  Type    Ports
67
--------------------------------------------------------------------------------
68
1    common  UT:Eth0/0/3(U)     Eth0/0/4(D)     Eth0/0/5(D)     Eth0/0/6(D)
69
                Eth0/0/7(D)     Eth0/0/8(D)     Eth0/0/9(D)     Eth0/0/10(D)
70
                Eth0/0/11(D)    Eth0/0/12(D)    Eth0/0/13(D)    Eth0/0/14(D)
71
                Eth0/0/15(D)    Eth0/0/16(D)    Eth0/0/17(D)    Eth0/0/18(D)
72
                Eth0/0/19(D)    Eth0/0/20(D)    Eth0/0/21(D)    Eth0/0/22(D)
73
                GE0/0/1(D)      GE0/0/2(D)
74

75
10   common  UT:Eth0/0/1(U)
76
             TG:Eth0/0/3(U)
77

78
20   common  UT:Eth0/0/2(U)
79
             TG:Eth0/0/3(U)
80

81
VID  Status  Property      MAC-LRN Statistics Description
82
--------------------------------------------------------------------------------
83
1    enable  default       enable  disable    VLAN 0001
84
10   enable  default       enable  disable    VLAN 0010
85
20   enable  default       enable  disable    VLAN 0020
86

87

88
4.配置相应的端口
89
'一般来说,Trunk口用于交换机之间互相连接,Access口用于交换机连接终端设备（PC机）'
90
# 我们得先进去到对应的接口中
91
'注意你自己拓扑图中的接口'
92
[SW2]inter e0/0/3
93
# 我的SW2交换机中的e0/0/3接口用于连接SW1交换机
94
[SW2-Ethernet0/0/3]port link-type trunk
95
[SW2-Ethernet0/0/3]port trunk allow-pass vlan 10 20
96
# 允许 vlan 10 和 vlan 20 通过
97
'port trunk allow-pass vlan all'
98
# 表示允许所有的VLAN的数据帧通过
99
'我们Trunk口都使用这种方法,去把相对应的vlan 添加到对应的端口'
100
--------------------------
101
'而Access口有两种方法'
102
# 第一种进入到对应的VLAN视图,执行port <interface接口> 命令,把端口加入VLAN
103
# 第二种进入到接口视图,执行port default vlan id 命令,把端口加入VLAN
104
# 此时还剩下两个端口,e0/0/1,e0/0/2
105
'对于e0/0/1接口,得把它添加到VLAN 10,我们用第一种方法'
106
[SW2]vlan 10
107
[SW2-vlan10]port  e0/0/1
108
Error: Trunk or Hybrid port(s) can not be added or deleted in this manner.
109
# 看报错,Trunk or Hybrid 不能用这种方式 添加 或者 删除
110
# 这两个接口e0/0/1,e0/0/2；我们还没有设置对应的接口类型,则他们的默认类型为Hybrid
111
# 所以我们得先需要变更对应接口的类型
112
[SW2-vlan10]q
113
[SW2]inter e0/0/1
114
[SW2-Ethernet0/0/1]port link-type ?
115
access        Access port
116
dot1q-tunnel  QinQ port
117
hybrid        Hybrid port
118
trunk         Trunk port
119
[SW2-Ethernet0/0/1]port link-type access
120
# 把e0/0/1的类型设置为access
121
[SW2-Ethernet0/0/1]q
122
[SW2]vlan 10
123
[SW2-vlan10]port  e0/0/1
124
# 用第一种方法进行把对应的端口添加到vlan中
125
[SW2-vlan10]q
126
[SW2]dis port vlan
127
Port                    Link Type    PVID  Trunk VLAN List
128
-----------------------------------------------------------
129
Ethernet0/0/1           access       10    -
130
Ethernet0/0/2           hybrid       1     -
131
Ethernet0/0/3           trunk        1     1 10 20
132
'e0/0/2还没有进行配置,其他两个接口都配置好了'
133
'对于e0/0/2接口,得把它添加到VLAN 20,我们用第二种方法'
134
[SW2]inter e0/0/2
135
[SW2-Ethernet0/0/2]port link-type access
136
# 先更改接口类型
137
[SW2-Ethernet0/0/2]port default vlan 20
138
# 把VLAN 20添加到e0/0/2接口
139
[SW2-Ethernet0/0/2]q
140
[SW2]dis port vlan
141
Port                    Link Type    PVID  Trunk VLAN List
142
-------------------------------------------------------------
143
Ethernet0/0/1           access       10    -
144
Ethernet0/0/2           access       20    -
145
Ethernet0/0/3           trunk        1     1 10 20
146
'至此,SW2三个接口都配置好了'

1
# SW1也是同种原理,我们下面简单的配置一下无注释版！
2
<Huawei>sys
3
Enter system view, return user view with Ctrl+Z.
4
[Huawei]sys SW1
5
[SW1]vlan batch 10 20
6
Info: This operation may take a few seconds. Please wait for a moment...done.
7
[SW1]inter e0/0/3
8
[SW1-Ethernet0/0/3]port link-type trunk
9
[SW1-Ethernet0/0/3]port trunk allow-pass vlan 10 20
10
[SW1-Ethernet0/0/3]q
11
[SW1]inter e0/0/1
12
[SW1-Ethernet0/0/1]port link-type access
13
[SW1-Ethernet0/0/1]port default vlan 10
14
[SW1-Ethernet0/0/1]q
15
[SW1]inter e0/0/2
16
[SW1-Ethernet0/0/2]port link-type access
17
[SW1-Ethernet0/0/2]port default vlan 20
18
[SW1-Ethernet0/0/2]q
19
[SW1]dis port vlan
20
Port                    Link Type    PVID  Trunk VLAN List
21
-------------------------------------------------------------------------------
22
Ethernet0/0/1           access       10    -
23
Ethernet0/0/2           access       20    -
24
Ethernet0/0/3           trunk        1     1 10 20
25
'至此SW2的三个接口都配置完了'

1
# 下面的示范,是在上面实验的基础上进行的
2
# 场景：vlan配置错误了,然后想要进行删除
3
# 我们需要先进入到对应的配置接口,dis this 查看对应接口的详细配置
4
'我们需要进行undo删除,遵循从最后一条开始删除'
5
[SW1]interface e0/0/3
6
[SW1-Ethernet0/0/3]dis this
7
#
8
interface Ethernet0/0/3
9
 port link-type trunk
10
 port trunk allow-pass vlan 10 20
11
#
12
return
13
[SW1-Ethernet0/0/3]undo port trunk allow-pass vlan 10 20
14
[SW1-Ethernet0/0/3]undo port link-type
15
[SW1-Ethernet0/0/3]dis this
16
#
17
interface Ethernet0/0/3
18
#
19
return
20
'我们再重新进行配置一下'
21
[SW1-Ethernet0/0/3]port link-type trunk
22
[SW1-Ethernet0/0/3]port trunk allow-pass vlan all
23
# 允许所有的vlan通过
24
[SW1-Ethernet0/0/3]dis this
25
#
26
interface Ethernet0/0/3
27
 port link-type trunk
28
 port trunk allow-pass vlan 2 to 4094
29
 '重点在这,我们明明是通过的all,可是为什么没有1'
30
 # vlan 1 是默认的vlan,所以这个all中并没有1
31
#
32
return
33
[SW1-Ethernet0/0/3]undo port trunk allow-pass vlan all
34
# 我们刚开始是配置的是允许all都通过
35
# 现在是取消所有vlan,合情合理
36
[SW1-Ethernet0/0/3]undo port link-type
37
Error: Please renew the default configurations.
38
# 但是我们再次进行取消接口类型的时候,他报错了
39
# 看报错信息"请恢复默认的配置"
40
[SW1-Ethernet0/0/3]dis this
41
#
42
interface Ethernet0/0/3
43
 port link-type trunk
44
 undo port trunk allow-pass vlan 1
45
#
46
return
47
'他这个配置文件里面多了一个undo port...vlan 1'
48
'我们需要先去把它恢复过去'
49
[SW1-Ethernet0/0/3]port trunk allow-pass vlan 1
50
# 恢复完之后,再去删除接口类型
51
[SW1-Ethernet0/0/3]undo port link-type
52
[SW1-Ethernet0/0/3]dis this
53
#
54
interface Ethernet0/0/3
55
#
56
return
57
'现在里面什么都没有了'

1
# 先简单搭建上图拓扑图
2
# 我们快速过一下
3
1.SW1
4
<Huawei>sys
5
Enter system view, return user view with Ctrl+Z.
6
[Huawei]sys SW1
7
[SW1]undo info en
8
Info: Information center is disabled.
9
[SW1]vlan batch 10 20
10
Info: This operation may take a few seconds. Please wait for a moment...done.
11
[SW1]inter e0/0/2
12
[SW1-Ethernet0/0/2]port link-type trunk
13
[SW1-Ethernet0/0/2]port trunk allow-pass vlan 10 20
14
[SW1-Ethernet0/0/2]q
15
[SW1]inter e0/0/1
16
[SW1-Ethernet0/0/1]port link-type access
17
[SW1-Ethernet0/0/1]port default vlan 10
18
[SW1-Ethernet0/0/1]q
19
[SW1]dis port vlan
20
Port                    Link Type    PVID  Trunk VLAN List
21
-----------------------------------------------------------
22
Ethernet0/0/1           access       10    -
23
Ethernet0/0/2           trunk        1     1 10 20
24
# 至此SW1配置完毕
25

26
2.SW2
27
<Huawei>sys
28
Enter system view, return user view with Ctrl+Z.
29
[Huawei]sys SW2
30
[SW2]undo inf en
31
Info: Information center is disabled.
32
[SW2]vlan batch 10 20
33
Info: This operation may take a few seconds. Please wait for a moment...done.
34
[SW2]inter e0/0/1
35
[SW2-Ethernet0/0/1]port link-type trunk
36
[SW2-Ethernet0/0/1]port trunk allow-pass vlan 10 20
37
[SW2-Ethernet0/0/1]q
38
[SW2]inter e0/0/2
39
[SW2-Ethernet0/0/2]port link-type access
40
[SW2-Ethernet0/0/2]port default vlan 20
41
[SW2-Ethernet0/0/2]q
42
[SW2]dis port vlan
43
Port                    Link Type    PVID  Trunk VLAN List
44
----------------------------------------------------------
45
Ethernet0/0/1           trunk        1     1 10 20
46
Ethernet0/0/2           access       20    -
47
# 至此SW2配置完毕

1
<SW1>sys
2
Enter system view, return user view with Ctrl+Z.
3
[SW1]dis port vlan
4
Port                    Link Type    PVID  Trunk VLAN List
5
-----------------------------------------------------------
6
Ethernet0/0/1           access       10    -
7
Ethernet0/0/2           trunk        1     1 10 20
8
'e0/0/1是access口,它的PVID是10'
9
'e0/0/2是trunk口,它的PVID是1（默认的）'
10
[SW1]inter e0/0/2
11
[SW1-Ethernet0/0/2]port trunk pvid vlan 10
12
'trunk口需要手动指定PVID'
13
[SW1-Ethernet0/0/2]q
14
[SW1]dis port vlan
15
Port                    Link Type    PVID  Trunk VLAN List
16
-----------------------------------------------------------
17
Ethernet0/0/1           access       10    -
18
Ethernet0/0/2           trunk        10    1 10 20
19
'再次查看e0/0/2接口的PVID为10'
20
# e0/0/2接口收到一个带tagged,即tagged与端口的PVID进行比较,都是10相等
21
# 则剥离 Vlan信息（即：去除Vlan ID 10）,不带tagged发送报文
22

23
# SW2同理
24
<SW2>sys
25
Enter system view, return user view with Ctrl+Z.
26
[SW2]inter e0/0/1
27
[SW2-Ethernet0/0/1]port trunk pvid vlan 20
28
[SW2-Ethernet0/0/1]q
29
[SW2]dis port vlan
30
Port                    Link Type    PVID  Trunk VLAN List
31
-----------------------------------------------------------
32
Ethernet0/0/1           trunk        20    1 10 20
33
Ethernet0/0/2           access       20    -
34
# 两个接口的PVID都是20
35
# SW2收到SW1发送的不带tagged的报文后,进入e0/0/1接口
36
# 打上自己接口的PVID也就是20,在进入到e0/0/2接口(access口),发现和自己的的VLAN相同,转发
37
# 发送时剥离标签,进入PC机

1
PC>ping 192.168.1.2
2
# 第一次ping不通是因为,不同vlan之间不能直接通信
3
Ping 192.168.1.2: 32 data bytes, Press Ctrl_C to break
4
From 192.168.1.1: Destination host unreachable
5
From 192.168.1.1: Destination host unreachable
6
From 192.168.1.1: Destination host unreachable
7
From 192.168.1.1: Destination host unreachable
8
From 192.168.1.1: Destination host unreachable
9

10
--- 192.168.1.2 ping statistics ---
11
  5 packet(s) transmitted
12
  0 packet(s) received
13
  100.00% packet loss
14

15
PC>ping 192.168.1.2
16
# 现在就ping通了
17
Ping 192.168.1.2: 32 data bytes, Press Ctrl_C to break
18
From 192.168.1.2: bytes=32 seq=1 ttl=128 time=78 ms
19
From 192.168.1.2: bytes=32 seq=2 ttl=128 time=78 ms
20
From 192.168.1.2: bytes=32 seq=3 ttl=128 time=79 ms
21
From 192.168.1.2: bytes=32 seq=4 ttl=128 time=63 ms
22
From 192.168.1.2: bytes=32 seq=5 ttl=128 time=47 ms
23

24
--- 192.168.1.2 ping statistics ---
25
  5 packet(s) transmitted
26
  5 packet(s) received
27
  0.00% packet loss
28
  round-trip min/avg/max = 47/69/79 ms