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[FAQ]Voice VLAN application for Switch S5700

Latest reply: Apr 24, 2020 20:57:12 2633 3 0 0
Problem: Voice traffic is sensitive so it should has higher priority then data traffic

Product name: S5700, IP telephone

Software version: Quidway S5700 V200R003C00SPC300

Network topology:
[FAQ]Voice VLAN application for Switch S5700-1241457-1

Configuration: We need to configure like two VLANs on the same switch interface


In case of IP telephone can obtain voice VLAN information on the switch, it will send tagged voice packets

Configuring Voice VLAN on the switch interface that connected to the IP telephone, when receiving packets from the PC and IP telephone, the switch check the VLAN IDs in the packets whether it match the configured voice VLAN ID, if it match the switch consider this traffic as voice traffic and will increase it's priority

The switch adds VLAN tag of the PVID to untagged packets from the PC

Now we separte voice traffic from data traffic in different VLANs on the same interface, voice traffic will be tagged from IP telephone and encapsulated with a VLAN and Data traffic will be tagged qnd encapsulated with a diffrenet VLAN


[Huawei] lldp enable   //Enable lldp protocol on the switch, so that the switch will advertise  voice VLAN information to IP telephone
[Huawei] vlan batch 132 313   //create VLAN 132 and 313
[Huawei] interface gigaethernet 0/0/1   //enter the interface that connected with IP telephone
[Huawei-GigabitEthernet0/0/1] port link-type hybrid 
[Huawei-GigabitEthernet0/0/1] voice-vlan 132 enable   //enable voice VLAN function on the interface
[Huawei-GigabitEthernet0/0/1] voice-vlan mode manual   //Manually added the ports that connected to voice device to the voice VLAN to take effect
[Huawei-GigabitEthernet0/0/1] port hybrid pvid vlan 313   //the default VLAN ID of a hybrid interface is 313
[Huawei-GigabitEthernet0/0/1] port hybrid tagged vlan 132   //Frames of the VLANs then pass through the hybrid interface in tagged mode
[Huawei-GigabitEthernet0/0/1] port hybrid untagged vlan 313   //Frames of the VLANs pass through the hybrid interface in untagged mode
[Huawei] display voice-vlan 132 status   //Verify the configuration

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Created Dec 30, 2015 02:14:29 Helpful(0) Helpful(0)

Good case!
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Created Apr 24, 2020 20:57:05 Helpful(0) Helpful(0)

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Created Apr 24, 2020 20:57:12 Helpful(0) Helpful(0)

thanks for sharing!
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