[cisco-voip] VT Advantage issue

[Erick Wellnitz]

Thanks Ryan.  You have been extremely helpful.

It's always a fiasco trying to get another team to help solve a problem
without absolute proof.

On Thu, Feb 23, 2012 at 10:09 AM, Ryan Ratliff <rratliff at cisco.com> wrote:

> In that case take a packet capture of you starting up VTA on the working
> PC.  Since your broken one does see the phone via CDP just filter based on
> communication directly between the pc and the phone.  Look at the port
> getting used and see if you can connect to it using the broken PC.
> If the connection is established from PC to phone: telnet from broken PC
> to phone on the port to confirm something is blocking your connection.
> If the connection is established from phone to PC: use netstat on the pc
> to see if it is listening on the port.  If so, telnet from another PC to
> that PC on that port to see if it it is open.
>
> At the end of the day if you are sure AnyConnect is doing the blocking you
> are going to need to work with somebody that can configure or uninstall it.
>
>  -Ryan
>
>  On Feb 23, 2012, at 11:00 AM, Erick Wellnitz wrote:
>
> The netstat command returns no results.
>
> On Thu, Feb 23, 2012 at 9:08 AM, Ryan Ratliff <rratliff at cisco.com> wrote:
>
>> The phone may be refusing a connection because there's one already open.
>>  What does 'netstat -an | findstr 4224' show?
>>
>>  -Ryan
>>
>>  On Feb 23, 2012, at 10:05 AM, Erick Wellnitz wrote:
>>
>> I should be more clear.
>>
>> VT Advantage works between this particular PC and phone but I cannot
>> telnet on 4224.  I want to make sure I know what I'm looking for before I
>> schedule time with this particular user again.
>>
>> On Thu, Feb 23, 2012 at 8:41 AM, Ryan Ratliff <rratliff at cisco.com> wrote:
>>
>>>  It's not a matter of a known working phone or not, it's your PC being
>>> able to connect to the phone it sees via CDP on that port.  That's required
>>> for the CAST connection and it sounds like something is blocking it.
>>>
>>>  -Ryan
>>>
>>>  On Feb 23, 2012, at 8:59 AM, Erick Wellnitz wrote:
>>>
>>> I can't telnet to a known working phone on 4224.  The connection is
>>> refused.
>>>
>>> On Wed, Feb 22, 2012 at 2:04 PM, Ryan Ratliff <rratliff at cisco.com>wrote:
>>>
>>>> Can you telnet from the PC to the phone's IP address on port 4224?
>>>>
>>>> If AnyConnect is blocking the outbound connection then it won't show up
>>>> in a packet capture.   You can also get a problem report from VTA on the PC
>>>> and look to see what errors it throws.
>>>>
>>>>  -Ryan
>>>>
>>>>  On Feb 22, 2012, at 2:27 PM, Erick Wellnitz wrote:
>>>>
>>>> The access port of the phone shows that CVTA is the CDP neighbor with
>>>> the address of the PC.
>>>>
>>>> On Wed, Feb 22, 2012 at 12:00 PM, Erick Wellnitz <
>>>> ewellnitzvoip at gmail.com> wrote:
>>>>
>>>>> Another strange one...
>>>>>
>>>>> I have some users who have Video Advantage cameras and software.
>>>>>
>>>>> One of them reports (and I have verified) that after receiving the
>>>>> Anyconnect client, the VT Advantage software can no longer recognize the
>>>>> phone is connected.  There is no attempt to by the VTA software to contact
>>>>> the phone or the phone to contact the VTA software according to the cature
>>>>> I did.
>>>>>
>>>>> On a PC without the Anyconnect client if I disable video on the phone
>>>>> VTA still recognizes a phone exists and I see the appropriate traffic
>>>>> attemptign to establish the CAST connection.
>>>>>
>>>>> I do not have authority to remove the Anyconnect client.
>>>>>
>>>>> Anyone seen this behavior before?  As always, any ideas are
>>>>> appreciated.
>>>>>
>>>>
>>>> _______________________________________________
>>>> cisco-voip mailing list
>>>> cisco-voip at puck.nether.net
>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>>
>>>>
>>>
>>>
>>
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20120223/56f989e6/attachment.html>