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Default VLAN
- Vlan 1 is the following:
- The defeault Vlan
- the default Native Vlan
- The default Managment VLAN
- Cannont be deleted or renamed
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Data VLAN
- Dedicateed to user-generated traffic (email and web trafic)
- VLAN 1 is the default datra VLAN because all interfaces are assigned to this VLAN
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Native VLAN
- This is used for trunk links only.
- All frames are tagged on an 802.1Q trunk link except for those on the native VLAN.
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Managment VLAN
- This is used for SSH/Telnet VTY traffic and should not be carried with end user traffic
- Typically, the VLAN that is the SVI for the Layer 2 switch
- if you have a data and a voice vlan the ip phone will pick the voice vlan bc it can handle tagged packets if you plug a pc into the same ports it will use the native vlan bc its untagged traffic on a trunk connection mehr info
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Voice VLAn
- A seperate VLAN is required because Voice traffic requires:
- Assured bandwith
- High QoS (Quality of Service) priority
- Ability to avoid congestion
- Delay lesss that 150ms from source to destination
- The entire network must be designed to support voice
- A seperate VLAN is required because Voice traffic requires: