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Don't get Voice Vlan IP RRS feed

  • Question

  • DHCP server (Windows )

    Cisco N9K ( DHCP Relay and Vlan SVI)

    Cisco 4500 switch has voice vlan and data vlan on each port

    We are using AAstra Phone  as below.

    NC_ACC_SW3_4751_2F#sh lldp neighbors gigabitEthernet 5/9 detail 
    ------------------------------------------------
    Local Intf: Gi5/9
    Chassis id: 10.5.18.93
    Port id: 0008.5d40.177b
    Port Description - not advertised
    System Name: Lync Phone Edition - 40177b

    System Description: 
    Lync Phone Edition - Aastra_6725ip_B

    Time remaining: 330 seconds
    System Capabilities: T
    Enabled Capabilities: T
    Management Addresses:
        IP: 10.5.18.93
    Auto Negotiation - supported, enabled
    Physical media capabilities:
        100base-T2(HD)
        100base-TX(FD)
        100base-T4
        10base-T(FD)
    Media Attachment Unit type - not advertised
    Vlan ID: - not advertised

    MED Information:

        MED Codes:
              (NP) Network Policy, (LI) Location Identification
              (PS) Power Source Entity, (PD) Power Device
              (IN) Inventory

        H/W revision: B
        F/W revision: 4.0.7577.4512
        S/W revision: 4.0.7577.4512
        Serial number: 0L142401F1
        Manufacturer: Aastra
        Model: 6725ip
        Capabilities: NP, IN
        Device type: Endpoint Class III
        Network Policy(Voice): Unknown
        PD device, Power source: PSE & Local, Power Priority: High, Wattage: 6.5
        Location - not advertised


    Total entries displayed: 1

    Please let me know How can we get Voice Vlan IP from DHCP server

    Wednesday, February 7, 2018 3:35 AM

All replies

  • Hi jeff_nowcom,

    Have you added the following options in Server Options?

    Option 42: NTP Server

    Option 43: Certificate Service Provisioning URL

    Option 120: SIP Server

    Please check the steps of setting up DHCP server.

    http://tomtalks.uk/2013/02/setting-up-dhcp-server-options-manually-for-lync-20102013-phones/

    Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make sure that you completely understand the risk before retrieving any suggestions from the above link.

    If you setting up DHCP server correctly,the phone still cannot get IP,you also could connect to the vendor and ask for a help.


    Best Regards,
    Leon Lu


    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.


    Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams.

    Thursday, February 8, 2018 2:26 AM
    Moderator
  • Are there any update for this issue, if the reply is helpful to you, please try to mark it as an answer, it will help others who has similar issue.


    Best Regards,
    Leon Lu


    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.


    Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams.

    Friday, February 9, 2018 9:23 AM
    Moderator