[cisco-voip] IP Communicator and MAC Addresses.
Trey Howland
trey.howland at gtri.gatech.edu
Tue Jul 11 11:54:05 EDT 2006
I've been successful with manually installing the "Microsoft Loopback
Adapter". Name it Softphone in the Network Connections control panel.
Set it to an unused ip address. Then set the last part of the MAC to
something similar to the extension.
Ted Nugent wrote:
> Yes, It would appear so...by selecting "use this
> device ID" and statically mapping thier device name.
> It could possibly make troubleshooting a users problem
> a bit easier. I'm curious if there's a way to lock out
> this option using the Admintool... if you know for
> sure please advise. Thanks
>
> --- Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
>
>> So are my suspicions true in that you can use the
>> MAC address of another IPC user and end up
>> registering with their extension on your PC?
>>
>>
> --------------------------------------------------------------------------------
>> Lelio Fulgenzi, B.A.
>> Senior Analyst (CCS) * University of Guelph *
>> Guelph, Ontario N1G 2W1
>> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
>>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> "I can eat fifty eggs." "Nobody can eat fifty eggs."
>> ----- Original Message -----
>> From: Ted Nugent
>> To: Phillips, Danny
>> Cc: cisco-voip at puck.nether.net
>> Sent: Tuesday, July 11, 2006 11:16 AM
>> Subject: Re: [cisco-voip] IP Communicator and MAC
>> Addresses.
>>
>>
>> Awesome... good to know!
>>
>> --- "Phillips, Danny" <dphillips at sapc.edu> wrote:
>>
>> > I downloaded the latest version and installed it
>> > with both NIC active
>> > and it is working fine.
>> >
>> > Thanks
>> >
>> > -----Original Message-----
>> > From: Ted Nugent [mailto:tednugent69 at yahoo.com]
>> > Sent: Tuesday, July 11, 2006 10:34 AM
>> > To: Phillips, Danny
>> > Cc: cisco-voip at puck.nether.net
>> > Subject: Re: [cisco-voip] IP Communicator and
>> MAC
>> > Addresses.
>> >
>> > Interesting, I do not seem to have this problem.
>> The
>> > only difference that I can see between what you
>> and
>> > I
>> > might be doing differently is that I installed
>> IPC
>> > with all of my NICs installed and enabled and I
>> can
>> > toggle between them freely? Perhaps this is a
>> bug
>> > with
>> > the version of IPC you're using? Have you tried
>> > upgrading to the latest and greatest version of
>> IPC?
>> > I'm running 2.0.1.1. Also are you local to CM
>> when
>> > trying this or are you trying this remotely (via
>> vpn
>> > or otherwise)?
>> >
>> >
>> > --- "Phillips, Danny" <dphillips at sapc.edu>
>> wrote:
>> >
>> > > I am using CCM 4.1(3). When I add a IP
>> > communicator
>> > > phone the first
>> > > option is MAC Address, I put in the MAC of the
>> > > laptops LAN NIC in, then
>> > > load in the laptop and it works fine. If I
>> unplug
>> > > the LAN NIC and plug
>> > > the wireless card the Laptop it does not
>> register.
>> > > If I then change the
>> > > MAC to the wireless card's MAC it registers
>> fine.
>> > > But I cannot just
>> > > change from 1 to the other.
>> > >
>> > >
>> > > Am I missing a step?
>> > >
>> > > Danny
>> > >
>> > > -----Original Message-----
>> > > From: Ted Nugent
>> [mailto:tednugent69 at yahoo.com]
>> > > Sent: Tuesday, July 11, 2006 10:05 AM
>> > > To: Ted Nugent; Lelio Fulgenzi; Phillips,
>> Danny;
>> > > cisco-voip at puck.nether.net
>> > > Subject: Re: [cisco-voip] IP Communicator and
>> MAC
>> > > Addresses.
>> > >
>> > > You peaked my curiosity so I had to upgrade
>> and
>> > see
>> > > what you were referring to... I still do not
>> have
>> > > the
>> > > problem that you explained. I can select
>> anyone of
>> > > the
>> > > 5 NIC interfaces on my laptop (as long as
>> they're
>> > > not
>> > > disabled) and they auto-reg with CM fine and
>> only
>> > my
>> > > wireless is active. Can you provide some more
>> > > details
>> > > outlining your issue?
>> > >
>> > > --- Ted Nugent <tednugent69 at yahoo.com> wrote:
>> > >
>> > > > I've not tried the most recent version of
>> IPC
>> > but
>> > > > you
>> > > > used to just leave it associated with one
>> MAC
>> > > > weather
>> > > > you were running on the Wired or Wireless
>> NIC???
>> > > If
>> > > > your phone was create using your Wired NIC
>> > address
>> > > > then you would LEAVE configured for that in
>> IPC
>> > no
>> > > > mater what physical connection was active at
>> the
>> > > > time?
>> > > > Are you saying that now you can ONLY
>> configure
>> > IPC
>> > > > to
>> > > > use only the ACTIVE NIC MAC???
>> > > >
>> > > >
>> > > >
>> > > >
>> > > >
>> > > > --- Lelio Fulgenzi <lelio at uoguelph.ca>
>> wrote:
>> > > >
>> > > > > I had thought about this as well, not just
>> > about
>> > > > > laptop with wired or wireless, but also
>> with
>> > > home
>> > > > PC
>> > > > > - you'd need a different device for each.
>> I
>> > was
>> > > > > thinking about a phantom MAC address that
>> you
>> > > > could
>> > > > > program and configure the client with.
>> Problem
>> > > > with
>> > > > > that is, you would have to make them
>> random
>> > > enough
>> > > > > to (a) not interfere with actual MAC
>> addresses
>> > > and
>> > > > > (b) not be easily guessed. Since there is
>> no
>> > > > > security with IP communicator, all you
>> need
>> > to
>> > > do
>> > > > > is configure your client with someone
>> else's
>> > MAC
>> > > > > address and you login with their phone.
>> > > > >
>> > > > > If someone has found a workaround to this
>> > little
>> > > > > bug, or if I am totally off the wall on
>> this,
>> > > > > please, let me know!
>> > > > >
>> > > > >
>> > > >
>> > >
>> >
>>
>>
> ------------------------------------------------------------------------
>> > > --------
>> > > > > Lelio Fulgenzi, B.A.
>> > > > > Senior Analyst (CCS) * University of
>> Guelph *
>> > > > > Guelph, Ontario N1G 2W1
>> > > > > (519) 824-4120 x56354 (519) 767-1060 FAX
>> > (JNHN)
>> > > > >
>>
> === message truncated ===>
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