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  • Avaya ip phone and DHCP

    Dear All,

    this is my first post in your lovely, helpfull forum. and it is my pleasure and honor to right here.

    i wish the good luck for all members and admin in Petri forum.

    i have a problem in my new implemented network and it is:

    1- environment:

    Cisco Core Switch: 3750.
    Cisco PoE Edge Switches: 3560 (3 sws, 1 in each floor)
    Avaya PBX server 4680. and Avaya ip phones.
    3 vlans:
    vlan 1 defualt vlan for data devices.
    vlan 2 for voice dvice.
    Vlan 0 for MS servers (iclude MS DHCP)
    MS DHCP scopes:
    10.1.18.0/24 for data (computers and laptops)
    10.1.17.0/24 for avaya ip phones.
    10.1.16.0/24 reserved for MS servers.

    2- Problems!!:

    2.a) the PoE sw ports cannot auto sense the network device attached to it. (i,e. cannot distinguesh between ip phone and pc or laptop), so he segregated the data ports and voice ports. and then laptops can attached to the ip phone.

    2.b)after above point, we attached some laptops to the ip phones. then ip phones tries to get ip iddress from dhcp, and it is ok. it is get an ip but from data scope not from voice scope.

    i reveiwed a lot of papres about PoE for voice tagging, and avaya boot and dhcp process,

    the avaya support tolds me, the voice packets aren't tagged, then they cann't get the other vlan dhcp scope.


    please help me.

    i'll attach the configuration for both core sw and edge sw.
    Attached Files

  • #2
    Re: Avaya ip phone and DHCP

    hi, is somebody there, no body hear of avaya ip phones, in any way thanks a lot for your hearing me.

    Comment


    • #3
      Re: Avaya ip phone and DHCP

      it seems to me no body could solve this problem, or no body hear for Avaya ip phones,

      Comment


      • #4
        Re: Avaya ip phone and DHCP

        sorry, I don't have any knowledge of VOIP.
        Maybe it's wise to contact the supplier.
        Marcel
        Technical Consultant
        Netherlands
        http://www.phetios.com
        http://blog.nessus.nl

        MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
        "No matter how secure, there is always the human factor."

        "Enjoy life today, tomorrow may never come."
        "If you're going through hell, keep going. ~Winston Churchill"

        Comment


        • #5
          Re: Avaya ip phone and DHCP

          halaloya, the problem solved.



          the PoE sw cannot detect any tagging on the line, so ip phone became looked like any pc or laptop on the network.

          and this issue derived from one of two possibilities:
          1- the ip phone is not configured to the proper voice vlan.
          2- the DHCP scope is not configure well.

          note Avaya supplier gave me this command that must be used in the voice scope in option 176 which is :

          MCIPADD=10.1.17.11,10.1.17.12,MCPORT=1719,TLSSRVR= 10.1.17.11,GIPADD=10.1.17.254,NVL2Q=1,L2QVLAN=0,NE TMASK=252.252.252.0

          thanks a lot for everyone help, try, or read my problem.

          Comment


          • #6
            Re: Avaya ip phone and DHCP

            Mta, thanks for posting back with the solution to your problem. It is greatly appreciated and may be of help to someone in the future.
            1 1 was a racehorse.
            2 2 was 1 2.
            1 1 1 1 race 1 day,
            2 2 1 1 2

            Comment


            • #7
              Re: Avaya ip phone and DHCP

              thanks a lot for your encourage

              Comment


              • #8
                Re: Avaya ip phone and DHCP

                dear guys,
                i have a mistake when typing the voice scope option in the dhcp

                MCIPADD=10.1.17.11,10.1.17.12,MCPORT=1719,TLSSRVR= 10.1.17.11,GIPADD=10.1.17.254,NVL2Q=1,L2QVLAN=0,NE TMASK=252.252.252.0

                and the correct is

                MCIPADD=10.1.17.11,10.1.17.12,MCPORT=1719,TLSSRVR= 10.1.17.11,GIPADD=10.1.17.254,NVL2Q=1,L2QVLAN=2,NE TMASK=255.255.255.0

                the mistaken was in the last two parameters:

                L2QVLAN=0 must be 2 (voice vlan),NETMASK=252.252.252.0 (invalid s.m, and must be 255.255.255.0)

                i have good small tutorial titled "Avaya IP Telephony Implementation Guide" from Avaya Labs. but its size is 830kb and exceeds the upload limit for the forum.

                Link inserted by Biggles77 from information supplied by mta772000:
                Avaya IP Telephony Implementation Guide v3.1
                Last edited by biggles77; 4th January 2008, 05:02.

                Comment


                • #9
                  Re: Avaya ip phone and DHCP

                  Check your PM. I have sent you my private email so you can send me the file. I shall find a way to link it to your post.

                  Again our thanks for your Community Spirit and posting back with a correction and a Guide.
                  1 1 was a racehorse.
                  2 2 was 1 2.
                  1 1 1 1 race 1 day,
                  2 2 1 1 2

                  Comment


                  • #10
                    Re: Avaya ip phone and DHCP

                    Dear Biggles77:

                    i'm the one who must thank you for your nice communicating with me. and for your gentled approach. also my thanks to the whole admins and members in this grate forum.

                    Good luck and Best wishes.

                    Comment


                    • #11
                      Re: Avaya ip phone and DHCP

                      Glad you solved it.
                      Keep on posting!
                      Marcel
                      Technical Consultant
                      Netherlands
                      http://www.phetios.com
                      http://blog.nessus.nl

                      MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
                      "No matter how secure, there is always the human factor."

                      "Enjoy life today, tomorrow may never come."
                      "If you're going through hell, keep going. ~Winston Churchill"

                      Comment

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