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Same VLAN id used as data and voice

Vlad Olteanu
Level 1
Level 1

Hi Guys,

  I am required to set a switchport as it follows and I am not sure it will work.

    swi mode access

    swi acc vlan 10

    swi voice vlan 10

    spanning-tree portfast

Will the same VLAN ID work for voice and data ? I am having a Cisco Phone connected.

Thanks,

Regards,

2 Replies 2

Reza Sharifi
Hall of Fame
Hall of Fame

Hi,

It will work but not a recommended solution.  Usually you keep voice and data in separate vlans because you need to apply QOS to voice vlan and not the data vlan.

http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_55_se/configuration/guide/swvoip.html

HTH

milan.kulik
Level 10
Level 10

Hi,

if you have to use the same VLAN, I'd recommend

switchport voice vlan dot1p

at least.

HTH,

Milan

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