20
# Create VLAN 100, and assign Twenty-FiveGigE 1/0/3 to VLAN 100.
<DeviceB> system-view
[DeviceB] vlan 100
[DeviceB-vlan100] port twenty-fivegige 1/0/3
[DeviceB-vlan100] quit
# Create VLAN 200 and assign Twenty-FiveGigE 1/0/4 to VLAN 200.
[DeviceB] vlan 200
[DeviceB-vlan200] port twenty-fivegige 1/0/4
[DeviceB-vlan200] quit
# Configure Twenty-FiveGigE 1/0/1 as a trunk port, and assign the port to VLANs 100 and 200.
[DeviceB] interface twenty-fivegige 1/0/1
[DeviceB-Twenty-FiveGigE1/0/1] port link-type trunk
[DeviceB-Twenty-FiveGigE1/0/1] port trunk permit vlan 100 200
[DeviceB-Twenty-FiveGigE1/0/1] quit
# Configure Twenty-FiveGigE 1/0/2 as a trunk port, and assign the port to VLANs 100 and 200.
[DeviceB] interface twenty-fivegige 1/0/2
[DeviceB-Twenty-FiveGigE1/0/2] port link-type trunk
[DeviceB-Twenty-FiveGigE1/0/2] port trunk permit vlan 100 200
[DeviceB-Twenty-FiveGigE1/0/2] quit
3. Configure Device C in the same way as the Device A is configured. (Details not shown.)
Verifying the configuration
# Verify that Laptop 1 can access only Server 1, and Laptop 2 can access only Server 2. (Details not
shown.)
# Verify the MAC-to-VLAN entries on Device A and Device C, for example, on Device A.
[DeviceA] display mac-vlan all
The following MAC VLAN addresses exist:
S:Static D:Dynamic
MAC address Mask VLAN ID Priority State
000d-88f8-4e71 ffff-ffff-ffff 100 0 S
0014-222c-aa69 ffff-ffff-ffff 200 0 S
Total MAC VLAN address count: 2
Example: Configuring IP subnet-based VLANs
Network configuration
As shown in Figure 5, the hosts in the office belong to different IP subnets.
Configure Device C to transmit packets from 192.168.5.0/24 and 192.168.50.0/24 in VLANs 100 and
200, respectively.
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