[cisco-voip] Recommendation for configuring IP phones switch ports

[Ruben Montes (Europe)]

Hello,

I have always configured the switch IOS ports where IP phones are connected this way:

int fa0/1

switchport access vlan DATA

switchport voice vlan VOICE

switchport mode access

spanning-tree portfast

 

But I've seen in the CCVP courses that the configuration is different:

interface fastethernet 0/1

switchport trunk encapsulation dot1q

switchport trunk native vlan DATA

switchport mode trunk

switchport voice vlan VOICE

spanning-tree portfast

Can anybody explain me the differences between them and if any of them have any advantage respect the other one? I prefer the first one rather than the second, I don't like to configure a trunk to connect a phone, but I want to understand why Cisco recommends the second configuration respect the first one?

Thanks in advance,

Ruben

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