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Voice VLAN help please

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  • 1.  Voice VLAN help please

    Posted May 10, 2019 02:43 PM
    Hello all
    I am a novice to switches but I know the basics. I am trying to setup my switch to allow my IP phone to connect to my Voice network VLAN 30 and my PC to connect to the same port via the PC port on my IP phone VLAN 1.

    I have setup my VLAN’s and the access port has VLAN 1 untagged and VLAN 30 tagged. I have a scope on my Windows 2012 server DHCP for both my default and voice VLAN. My switch is a 2930 48 port and my router is a Cisco RV 320. On the voice VLAN I have DHCP Relay set to go to my Windows Server on VLAN 1 and in the voice scope I have the Mitel phone string in option 43 and I also tried Mitel vendor option 125.

    On the router
    Port 1 VLAN 1 untagged VLAN 30 tagged
    Port 4 VLAN 30 untagged VLAN 1 tagged
    inter networking enables

    VLAN 1 DHCP Windows server 192.168.1.10
    VLAN 30 DHCP RELAY to above

    Switch port to router for VLAN 1 untagged
    Switch port to router for VLAN 30 untagged

    Device port VLAN 30 tagged for phone and VLAN 1 untagged to pc connecting via phone

    Does this all sound right?
    Do I need a dhcp relay on the vlans?
    Should the device port be an access or trunk?
    Should LLDP / LLDP-MED be used or not essential?

    Any other points will be helpful as it’s been two weeks trying now and not any further lol. I can draw a simple diagram if needed

    #LLDP
    #tagged
    #Voice
    #VLAN
    #Untagged
    #DHCP


  • 2.  RE: Voice VLAN help please

    Posted May 13, 2019 01:19 PM

    Does your configuration using static IP addresses work well?

    Can you reach your default gateway on both networks?

    Switch port to router for VLAN 1 untagged
    Switch port to router for VLAN 30 tagged

    vlan 1
    name "DEFAULT_VLAN"
    untagged 1-48
    exit
    vlan 30
    name "Telefonia_IP"
    tagged 1-48
    no ip address
    exit



  • 3.  RE: Voice VLAN help please

    MVP GURU
    Posted May 13, 2019 03:46 PM

    @vladi0782 wrote:

     

    vlan 1
    name "DEFAULT_VLAN"
    untagged 1-48
    exit
    vlan 30
    name "Telefonia_IP"
    tagged 1-48
    no ip address
    exit


    I would add voice to VLAN 30 (if VLAN 30 is the Voice dedicated VLAN):

    vlan 1
     name "DEFAULT_VLAN"
     untagged 1-48
     exit
    vlan 30
     voice
     name "Telefonia_IP"
     tagged 1-48
     no ip address
    exit

    What I don't understand is the untagging/tagging pattern you described for your Router ports:

    Port 1 VLAN 1 untagged VLAN 30 tagged
    Port 4 VLAN 30 untagged VLAN 1 tagged

    IMHO if you would just use one uplink between your Switch and your Router thus - considering only port 1 of the Cisco RV320 - it should be:

    Port 1 VLAN 1 untagged VLAN 30 tagged

    Or, alternativley, if you really have two separate physical uplinks (one for each VLAN Id) to your Cisco RV320, then it should eventually be:

    Port 1 VLAN 1 untagged
    Port 4 VLAN 30 untagged

    Switch side...these two possible scenarios will lead to mutually exclusive:

    • One uplink port untagged member of VLAN 1 (data) and, concurrently, tagged member of VLAN 30 (voice)
    • Two uplink ports:
      • The 1st uplink to Port 1 of Cisco RV320: untagged member of VLAN 1 (data)
      • The 2nd uplink to Port 4 of Cisco RV320: untagged member of VLAN 30 (voice)