"Oliver O'Boyle" wrote:
>
> "Adastra" <(E-Mail Removed)> wrote in message
> news:FA77390C-7848-4DF3-AB88-(E-Mail Removed)...
> > phones subnet is 255.255.255.0, computers subnet is 255.255.248.0,
> >
>
> These subnet masks are only half the picture. What IP address ranges are you
> trying to provide with the DHCP server? By looking at the masks however, it
> looks like your computer scope overlaps the phone scope. This is probably
> why it's being picked up first (but this assumption is based on only having
> knowledge of your masks, and not the range of IPs you are trying to hand out
> to computers and phones).
172.16.16.0/21 first scope for computers
192.168.11.0/24 second scope for voip
> How many computers do you have?
300
> How many phones do you have?
150
> > what is vendor class data type, i use string with code 60, its ok ?
> > in the string i have ccp.avaya.com
> >
>
> 60 is probably the code the phones are looking for, so this is fine.
>
> > ethereal offer in phone dhcp discover option 60: Vendor Class identifier =
> > "ccp.avaya.com" - hexa 3c 0d 63 63 70 2e 61 76 61 79 61 2e 63 6f 6d
> >
>
> This string is for an outside address. I'm not familiar with Avaya phone
> systems, but typically, the phones should be pointing to your PBX or call
> control server. This server is internal, and often provides the phones with
> configuration information, and even images. Right now, you are pointing the
> phones to an external server on the internet...
i think that you dont understand me :-), string ccp.avaya.com is hardcoded
string in dhcp request packet in option 60
lukas
> > when i deactivate first scope (computers scope), second phone scope
> > working
> > correctly.
> >
>
> Probabl because your computer scope encompasses your phone scope.
>
> > i know that vlan is better solution but i dont know how i can do it with
> > one
> > dhcp server ?
>
> The DHCP server needs to have an interface on each VLAN, OR, the router or
> layer 3 switch you have everything connected to needs to act as a DHCP or
> BOOTP relay. As a relay, it can forward your client's DHCP requests to a
> DHCP server on another subnet.
>
> Oliver
>
> Your
>
>
> >
> > lukas
> >
> > "Oliver O'Boyle" wrote:
> >
> >> > yes. i see it, i have ASCII value ccp.avaya.com, binary 63 63 70 2E 61
> >> > 76
> >> > 61
> >> > 79 61 2E 63 6F 6D in scope options table general too but ip phone get
> >> > ip
> >> > address from bad scope :-(
> >>
> >> Are your phones on the same subnet as your workstations?
> >>
> >> Normally, it is a best practice to put them in their own separate VLAN.
> >> However, I have not implemented an Avaya solution yet, so I'm not sure
> >> what
> >> the vendor recommends. I prefer putting IP phones in their own VLAN for
> >> better manageability and security reasons.
> >>
> >> Oliver
> >>
> >> >
> >> > lukas
> >> >
> >> > "Oliver O'Boyle" wrote:
> >> >
> >> >> "Adastra" <(E-Mail Removed)> wrote in message
> >> >> news:80C609AF-9703-4763-BDEC-(E-Mail Removed)...
> >> >> > hi oliver,
> >> >> >
> >> >> > i was unsuccesfull :-(.
> >> >>
> >> >> How were you unsuccessful? After you create the option, are you able
> >> >> to
> >> >> see
> >> >> it in the DHCP Standard Options list?
> >> >>
> >> >> Oliver
> >> >>
> >> >> > i have 1 superscope with 2 scopes, first is 172.16.16.0/21 for
> >> >> > computers,
> >> >> > second 192.168.12.1/24 is for avaya ip phones. i created predefined
> >> >> > options
> >> >> > in options class - dhcp standard options - code 60, string
> >> >> > ccp.avaya.com (
> >> >> > vendor info is from ethereal)
> >> >> >
> >> >> > do you have any proposal or hint ?
> >> >> >
> >> >> > thank you
> >> >> >
> >> >> > lukas
> >> >> >
> >> >> > "Oliver O'Boyle" wrote:
> >> >> >
> >> >> >>
> >> >> >> "Adastra" <(E-Mail Removed)> wrote in message
> >> >> >> news:68A7698D-BE2D-4947-800E-(E-Mail Removed)...
> >> >> >> > hi all,
> >> >> >> >
> >> >> >> > i would like to use our main dhcp windows 2003 server for avaya
> >> >> >> > ip
> >> >> >> > phones
> >> >> >> > and computers too. i tried to create a separate scope for ip
> >> >> >> > phones
> >> >> >> > only
> >> >> >> > with
> >> >> >> > vendor classes option 60 but without success. can you help me
> >> >> >> > with
> >> >> >> > it
> >> >> >> > please ?
> >> >> >> >
> >> >> >> > thank you
> >> >> >> >
> >> >> >> > lukas
> >> >> >>
> >> >> >> Hi Lukas,
> >> >> >>
> >> >> >> You need to open your DHCP MMC --> right-click on the name of the
> >> >> >> server
> >> >> >> that will be hosting the scope for your IP phones --> select
> >> >> >> "Pre-defined
> >> >> >> Options" --> click "Add" --> enter your vendor information (put the
> >> >> >> number
> >> >> >> "60" in the "code" field).
> >> >> >>
> >> >> >> Once this option is created, you can use it in your scopes, as
> >> >> >> needed.
> >> >> >>
> >> >> >> Hope that helps,
> >> >> >> Oliver
> >> >> >>
> >> >> >>
> >> >> >>
> >> >>
> >> >>
> >> >>
> >>
> >>
> >>
>
>
>
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