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Note VLAN TrUNK GARP

2025-02-25 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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VLAN configuration ideas:

1. Create a vlan

Sw1 (config) # vlan 12

Sw1 (config-vlan) # name CAIWU

2. Configure port mode

Sw1 (config) # interface fas0/1 | fas0/2

Sw1 (config-if) # no shutdown

Sw1 (config-if) # switchport mode access

3. Configure the vlan to which the port belongs

Sw1 (config) # interface fas0/1 | fas0/2

Sw1 (config-if) # switchport access vlan 12

4. Verification and testing

PC-1: 192.168.12.1 255.255.255.0

PC-2: 192.168.12.2 255.255.255.0

PC-1: ping 192.168.12.2

Follow the same procedure to complete the connectivity test between the configuration of VLAN 34 and the host

Delete VLAN:

1. Remove the member ports in VLAN

Interface fas0/1

No switchport access vlan 12

2. Delete vlan

No vlan 12

3. Verify (in practice-verify and save the configuration)

Huawei switch configuration VLAN:

1. Create a VLAN

[sw1] vlan 10 / / create a VLAN and enter VLAN 10

[sw1-vlan10] description AAA / / configure a name for vlan

2. Configure port mode

[sw1] interface gi0/0/1

[sw1-gi0/0/1] port link-type access / / designated port is in access mode

3. Put the port into the specified VLAN

[sw1] interface gi0/0/1

[sw1-gi0/0/1] port default vlan10 / / put the port into the vlan10

4. Verify, test, save

[sw1] display vlan

PC-1:

192.168.10.1 255.255.255.0

PC-2:

192.168.10.2 255.255.255.0

Delete VLAN:

After [sw1] undo vlan 10 / / is deleted, the member port will automatically return to vlan1.

Batch create / delete VLAN:

[sw1] vlan batch 10 20 30 40 50 Universe / create vlan 10 Leng 20 Jing 20 Jing 30 Jing 40 Ji 50

[sw1] vlan batch 10 to 20 / / create vlan 10, 11, 12, and 12.

[sw1] undo vlan batch 10 to 20 / / batch deletion of 10pc11 to 12meme 20

Trunk:

To be able to transmit multiple VLAN data on the same link at the same time

The mode of the link must be configured to trunk mode.

The data on this type of link needs to carry vlan tags. There are two ways to label the data: 1. ISL: inter-switch link, the link protocol between switches, Cisco's private protocol; now many switches no longer support it. The total length of the tag is 30 bytes, of which the ISL header is 26 bytes and the ISL tail is 4 bytes. 2. 802.1q: is a public standard, and devices of any manufacturer can use this protocol to tag layer 2 data. The label is 4 bytes long; it is commonly used to link "switch" devices.

Access:

This type of link can only belong to one VLAN at a time.

There is no label for the data transmitted.

Generally used to connect "non-switch" devices!

Configure Trunk links: (Huawei)

1. Configure the link type of the port

Interface gi0/0/24

Port link-type trunk

2. Set the VLAN allowed on the Trunk link

Interface gi0/0/24

Port trunk allow-pass vlan all

3. Verify, test, save

Display port vlan

Configure Trunk links: (Cisco)

1. Configure the trunk encapsulation protocol for the link (ISL or 802.1q) [optional]

Interface fas0/24

Switchport trunk encapsulation dot1q | isl

2. Configure the link mode as trunk interface fas0/24 switchport mode trunk 3. Verify, test and save show interface trunk / / View the trunk link on the Cisco switch

The process of Huawei switch processing data frames:

1. When the switch receives a data frame, it will label the data frame:

Display port vlan

It depends on the PVID parameter under the corresponding port in the display result

2. When the switch forwards a data frame, it looks at the following corresponding table:

Display vlan

In the corresponding VLAN (that is, the VLAN represented by the PVID of the ingress port of the data frame)

Subsequent member ports (these ports represent the egress port of the data frame)

At the same time, pay attention to whether these ports carry labels when sending out data

Sign (TG/UT)

Hybird configuration process:

1. Create VLAN 10

[sw] vlan 10

2. Configure the link type of the link PC as hybrid

[sw] interface gi0/0/1

[sw-gi0/0/1] port link-type hybrid

3. Configure the PVID on each port to be 10

[sw] interface gi0/0/1

[sw-gi0/0/1] port hybrid pvid vlan 10 [how to use the default value, whether it works]

4. Configure VLAN without encapsulating tags on each port

[sw] interface gi0/0/1

[sw-gi0/0/1] port hybrid untagged vlan 10

5. Configure the IP address of PC: 192.168.10.x/24

6. Verify, test, save

Display port vlan / / check gi0/0/1 | whether the PVID of 2 is 10

Display vlan / / check whether the vlan corresponds to gi0/0/1. | 2

Ping 192.168.10.2

Save

Case study:

1 case 1: configure VLAN

1.1 question

2) add the port to the VLAN

3) View VLAN information

1.2 scenario

Use eNSP to build the experimental environment, as shown in figure-1.

1.3 steps

To implement this case, you need to follow these steps.

System-view

[Huawei] vlan 10

[Huawei] vlan 20

[Huawei] vlan 30

[Huawei] interface Ethernet0/0/1

[Huawei-Ethernet0/0/1] port link-type access

[Huawei-Ethernet0/0/1] port default vlan 10

[Huawei] interface Ethernet0/0/2

[Huawei-Ethernet0/0/2] port link-type access

[Huawei-Ethernet0/0/2] port default vlan 10

[Huawei] interface Ethernet0/0/3

[Huawei-Ethernet0/0/3] port link-type access

[Huawei-Ethernet0/0/3] port default vlan 20

[Huawei] interface Ethernet0/0/4

[Huawei-Ethernet0/0/4] port link-type access

[Huawei-Ethernet0/0/4] port default vlan 20

[Huawei] interface Ethernet0/0/5

[Huawei-Ethernet0/0/5] port link-type access

[Huawei-Ethernet0/0/5] port default vlan 20

[Huawei] interface Ethernet0/0/6

[Huawei-Ethernet0/0/6] port link-type access

[Huawei-Ethernet0/0/6] port default vlan 30

[Huawei] interface Ethernet0/0/7

[Huawei-Ethernet0/0/7] port link-type access

[Huawei-Ethernet0/0/7] port default vlan 30

[Huawei] dis vlan

The total number of vlans is: 4U: Up; D: Down; TG: Tagged; UT: Untagged

MP: Vlan-mapping; ST: Vlan-stacking

#: ProtocolTransparent-vlan; *: Management-vlan;VID Type Ports1 common UT:Eth0/0/8 (D) Eth0/0/9 (D) Eth0/0/10 (D) Eth0/0/11 (D)

Eth0/0/12 (D) Eth0/0/13 (D) Eth0/0/14 (D) Eth0/0/15 (D)

Eth0/0/16 (D) Eth0/0/17 (D) Eth0/0/18 (D) Eth0/0/19 (D)

Eth0/0/20 (D) Eth0/0/21 (D) Eth0/0/22 (D) GE0/0/1 (D)

GE0/0/2 (D)

10 common UT:Eth0/0/1 (D) Eth0/0/2 (D)

20 common UT:Eth0/0/3 (D) Eth0/0/4 (D) Eth0/0/5 (D)

30 common UT:Eth0/0/6 (D) Eth0/0/7 (D)

VID Status Property MAC-LRN Statistics Description1 enable default enable disable VLAN 0001

10 enable default enable disable VLAN 0010

20 enable default enable disable VLAN 0020

30 enable default enable disable VLAN 0030

[Huawei] dis port vlan

Port Link Type PVID Trunk VLAN List

Ethernet0/0/1 access 10-

Ethernet0/0/2 access 10-

Ethernet0/0/3 access 20-

Ethernet0/0/4 access 20-

Ethernet0/0/5 access 20-

Ethernet0/0/6 access 30-

Ethernet0/0/7 access 30-

Ethernet0/0/8 hybrid 1-

Ethernet0/0/9 hybrid 1-

Ethernet0/0/10 hybrid 1-

Ethernet0/0/11 hybrid 1-

Ethernet0/0/12 hybrid 1-

Ethernet0/0/13 hybrid 1-

Ethernet0/0/14 hybrid 1-

Ethernet0/0/15 hybrid 1-

Ethernet0/0/16 hybrid 1-

Ethernet0/0/17 hybrid 1-

Ethernet0/0/18 hybrid 1-

Ethernet0/0/19 hybrid 1-

Ethernet0/0/20 hybrid 1-

Ethernet0/0/21 hybrid 1-

Ethernet0/0/22 hybrid 1-

GigabitEthernet0/0/1 hybrid 1-

GigabitEthernet0/0/2 hybrid 1-

2 case 2:VLAN and Trunk configuration

2.1 question

Refer to the following network topology to realize the communication of the same vlan across the switch.

2.2 scenario

Use eNSP to build the experimental environment, as shown in figure-2.

2.3 steps

To implement this case, you need to follow these steps.

[SW1] vlan 5

[SW1] vlan 10

[SW1] interface Ethernet0/0/1

[SW1-Ethernet0/0/1] port link-type access

[SW1-Ethernet0/0/1] port default vlan 5

[SW1] interface Ethernet0/0/2

[SW1-Ethernet0/0/2] port link-type access

[SW1-Ethernet0/0/2] port default vlan 10

[SW1] interface Ethernet0/0/24

[SW1-Ethernet0/0/24] port link-type trunk

[SW1-Ethernet0/0/24] port trunk allow-pass vlan 5 10

[SW2] vlan 5

[SW2] vlan 10

[SW2] interface Ethernet0/0/3

[SW2-Ethernet0/0/3] port link-type access

[SW2-Ethernet0/0/3] port default vlan 5

[SW2] interface Ethernet0/0/4

[SW2-Ethernet0/0/4] port link-type access

[SW2-Ethernet0/0/4] port default vlan 10

[SW2] interface Ethernet0/0/24

[SW2-Ethernet0/0/24] port link-type trunk

[SW2-Ethernet0/0/24] port trunk allow-pass vlan 5 10

Two hosts of VLAN 5 can communicate with each other, and two hosts of VLAN 10 can communicate with each other.

The two hosts of VLAN 5 and VLAN 10 cannot interwork.

3 case 3: configure Hybrid port

3.1 question

To achieve the special effect that the PC of different vlan can not access each other, and the PC of different vlan can access the server. The specific requirements are as follows.

Create the relevant vlan in the switch

Modify port mode and pvid

Modify the data frames allowed by the port

The results show that the pc of vlan5 and vlan10 cannot be interconnected, but both of them can communicate with the server.

3.2 scenario

Use eNSP to build the experimental environment, as shown in figure-3.

Figure-3

3.3 steps

To implement this case, you need to follow these steps.

[SW1] vlan batch 5 10 50

[SW1] interface Ethernet0/0/1

[SW1-Ethernet0/0/1] port hybrid untagged vlan 5 50

[SW1-Ethernet0/0/1] port hybrid pvid vlan 5

[SW1] interface Ethernet0/0/2

[SW1-Ethernet0/0/2] port hybrid untagged vlan 10 50

[SW1-Ethernet0/0/2] port hybrid pvid vlan 10

[SW1] interface Ethernet0/0/3

[SW1-Ethernet0/0/3] port hybrid tagged vlan 5 10 50

[SW1] dis vlan

The total number of vlans is: 4U: Up; D: Down; TG: Tagged; UT: Untagged

MP: Vlan-mapping; ST: Vlan-stacking

#: ProtocolTransparent-vlan; *: Management-vlan;VID Type Ports1 common UT:Eth0/0/1 (U) Eth0/0/2 (U) Eth0/0/3 (U) Eth0/0/4 (D)

Eth0/0/5 (D) Eth0/0/6 (D) Eth0/0/7 (D) Eth0/0/8 (D)

Eth0/0/9 (D) Eth0/0/10 (D) Eth0/0/11 (D) Eth0/0/12 (D)

Eth0/0/13 (D) Eth0/0/14 (D) Eth0/0/15 (D) Eth0/0/16 (D)

Eth0/0/17 (D) Eth0/0/18 (D) Eth0/0/19 (D) Eth0/0/20 (D)

Eth0/0/21 (D) Eth0/0/22 (D) GE0/0/1 (D) GE0/0/2 (D)

5 common UT:Eth0/0/1 (U)

TG:Eth0/0/3 (U)

10 common UT:Eth0/0/2 (U)

TG:Eth0/0/3 (U)

50 common UT:Eth0/0/1 (U) Eth0/0/2 (U)

TG:Eth0/0/3 (U)

VID Status Property MAC-LRN Statistics Description1 enable default enable disable VLAN 0001

5 enable default enable disable VLAN 0005

10 enable default enable disable VLAN 0010

50 enable default enable disable VLAN 0050

[SW1] dis port vlan

Port Link Type PVID Trunk VLAN ListEthernet0/0/1 hybrid 5-

Ethernet0/0/2 hybrid 10-

Ethernet0/0/3 hybrid 1 5 10 50

Ethernet0/0/4 hybrid 1-

Ethernet0/0/5 hybrid 1-

Ethernet0/0/6 hybrid 1-

Ethernet0/0/7 hybrid 1-

Ethernet0/0/8 hybrid 1-

Ethernet0/0/9 hybrid 1-

Ethernet0/0/10 hybrid 1-

Ethernet0/0/11 hybrid 1-

Ethernet0/0/12 hybrid 1-

Ethernet0/0/13 hybrid 1-

Ethernet0/0/14 hybrid 1-

Ethernet0/0/15 hybrid 1-

Ethernet0/0/16 hybrid 1-

Ethernet0/0/17 hybrid 1-

Ethernet0/0/18 hybrid 1-

Ethernet0/0/19 hybrid 1-

Ethernet0/0/20 hybrid 1-

Ethernet0/0/21 hybrid 1-

Ethernet0/0/22 hybrid 1-

GigabitEthernet0/0/1 hybrid 1-

GigabitEthernet0/0/2 hybrid 1-

[SW2] vlan batch 5 10 50

[SW2] interface Ethernet0/0/1

[SW2-Ethernet0/0/1] port hybrid tagged vlan 5 10 50

[SW2] interface Ethernet0/0/2

[SW2-Ethernet0/0/2] port hybrid untagged vlan 5 10 50

[SW2-Ethernet0/0/2] port hybrid pvid vlan 50

[SW2] dis vlan

The total number of vlans is: 4U: Up; D: Down; TG: Tagged; UT: Untagged

MP: Vlan-mapping; ST: Vlan-stacking

#: ProtocolTransparent-vlan; *: Management-vlan;VID Type Ports1 common UT:Eth0/0/1 (U) Eth0/0/2 (U) Eth0/0/3 (D) Eth0/0/4 (D)

Eth0/0/5 (D) Eth0/0/6 (D) Eth0/0/7 (D) Eth0/0/8 (D)

Eth0/0/9 (D) Eth0/0/10 (D) Eth0/0/11 (D) Eth0/0/12 (D)

Eth0/0/13 (D) Eth0/0/14 (D) Eth0/0/15 (D) Eth0/0/16 (D)

Eth0/0/17 (D) Eth0/0/18 (D) Eth0/0/19 (D) Eth0/0/20 (D)

Eth0/0/21 (D) Eth0/0/22 (D) GE0/0/1 (D) GE0/0/2 (D)

5 common UT:Eth0/0/2 (U)

TG:Eth0/0/1 (U)

10 common UT:Eth0/0/2 (U)

TG:Eth0/0/1 (U)

50 common UT:Eth0/0/2 (U)

TG:Eth0/0/1 (U)

VID Status Property MAC-LRN Statistics Description1 enable default enable disable VLAN 0001

5 enable default enable disable VLAN 0005

10 enable default enable disable VLAN 0010

50 enable default enable disable VLAN 0050

[SW2] dis port vlan

Port Link Type PVID Trunk VLAN List

Ethernet0/0/1 hybrid 1 5 10 50

Ethernet0/0/2 hybrid 50-

Ethernet0/0/3 hybrid 1-

Ethernet0/0/4 hybrid 1-

Ethernet0/0/5 hybrid 1-

Ethernet0/0/6 hybrid 1-

Ethernet0/0/7 hybrid 1-

Ethernet0/0/8 hybrid 1-

Ethernet0/0/9 hybrid 1-

Ethernet0/0/10 hybrid 1-

Ethernet0/0/11 hybrid 1-

Ethernet0/0/12 hybrid 1-

Ethernet0/0/13 hybrid 1-

Ethernet0/0/14 hybrid 1-

Ethernet0/0/15 hybrid 1-

Ethernet0/0/16 hybrid 1-

Ethernet0/0/17 hybrid 1-

Ethernet0/0/18 hybrid 1-

Ethernet0/0/19 hybrid 1-

Ethernet0/0/20 hybrid 1-

Ethernet0/0/21 hybrid 1-

Ethernet0/0/22 hybrid 1-

GigabitEthernet0/0/1 hybrid 1-

GigabitEthernet0/0/2 hybrid 1-

The pc of vlan5 and vlan10 are not interoperable, but both of them are interoperable with the server.

4 case 4: configure GVRP

4.1 question

1) SW1 creates static VLAN 10. SW2 and SW3 are not configured with VLAN.

2) by configuring the GVRP function, let SW2 and SW3 learn VLAN automatically

4.2 Plan

Use eNSP to build the experimental environment, as shown in figure-4.

Figure-4

4.3 steps

To implement this case, you need to follow these steps.

[sw1] gvrp

[sw1] interface Ethernet 0/0/2

[sw1-Ethernet0/0/2] port link-type trunk

[sw1-Ethernet0/0/2] port trunk allow-pass vlan all

[sw1-Ethernet0/0/2] gvrp

[sw2] gvrp

[sw2] interface Ethernet 0/0/1

[sw2-Ethernet0/0/1] port link-type trunk

[sw2-Ethernet0/0/1] port trunk allow-pass vlan all

[sw2-Ethernet0/0/1] gvrp

[sw2] interface Ethernet 0/0/3

[sw2-Ethernet0/0/3] port link-type trunk

[sw2-Ethernet0/0/3] port trunk allow-pass vlan all

[sw2-Ethernet0/0/3] gvrp

[sw3] gvrp

[sw3] interface Ethernet 0/0/2

[sw3-Ethernet0/0/2] port link-type trunk

[sw3-Ethernet0/0/2] port trunk allow-pass vlan all

[sw3-Ethernet0/0/2] gvrp

[sw1] vlan 10

[sw2] dis vlan summary

Static vlan:

Total 1 static vlan.

one

Dynamic vlan:

Total 1 dynamic vlan.

ten

Reserved vlan:

Total 0 reserved vlan.

[sw3] dis vlan summary

Static vlan:

Total 1 static vlan.

one

Dynamic vlan:

Total 1 dynamic vlan.

ten

Reserved vlan:

Total 0 reserved vlan.

PVLAN:

Private VLAN-Private VLAN

Ensure security between end devices while saving IP network segments

Isolated broadcast domain

Mux-vlan:

Multiplex VLAN, composite / hybrid VLAN

Configuration steps:

1. Make sure there is a VLAN

Vlan 100

Vlan 10

Vlan 20

Vlan 30

two。 Determine the dependency between VLAN

Vlan 100

Mux-vlan

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