Capwap Mailing List: Re: Question about IANA UDP Port Request

[Puneet Agarwal (pagarwal]

I agree. We should be able to live with Registered ports in the range 1024 - 
49151.

Thanks.

-Puneet

-----Original Message-----
From: Margaret Wasserman [mailto:margaret [at] thingmagic.com] 
Sent: Friday, April 11, 2008 9:59 AM
To: Pat Calhoun
Cc: capwap [at] frascone.com
Subject: Re: [Capwap] Question about IANA UDP Port Request


I don't know of any reason why CAPWAP needs a system port.  I think a reserved 
port would be fine.

Margaret

On Apr 11, 2008, at 12:46 PM, Pat Calhoun (pacalhou) wrote:
> That's a good question. The primary difference, as I understand it, is 
> whether a non-root based application could access the port. I suppose 
> that since CAPWAP is likely to be implemented on embedded systems, and 
> not on multi-purpose computers, then perhaps a reserved port is fine.
>
> Further, since authentication is mandatory to establish the control 
> plane, perhaps the actual port number matters less.
>
> Thoughts?
>
> PatC
>
> -----Original Message-----
> From: Magnus Westerlund [mailto:magnus.westerlund [at] ericsson.com]
> Sent: Friday, April 11, 2008 1:37 AM
> To: Pat Calhoun (pacalhou)
> Cc: capwap [at] frascone.com
> Subject: Re: [Capwap] Question about IANA UDP Port Request
>
> I would like to note that you actually will need to provide a 
> motivation for port in the range 0-1023 is needed. What, benefit is 
> there really compared to be using one in the range 1024-49151?
>
> Cheers
>
> Magnus
>
> Pat Calhoun (pacalhou) skrev:
>> yes
>>
>> -----Original Message-----
>> From: Scott G. Kelly [mailto:s.kelly [at] ix.netcom.com]
>> Sent: Thursday, April 10, 2008 1:58 PM
>> To: Pat Calhoun (pacalhou); capwap [at] frascone.com
>> Subject: Re: [Capwap] Question about IANA UDP Port Request
>>
>> By "at the system level", do you mean <= 1024?
>>
>> -----Original Message-----
>>> From: "Pat Calhoun (pacalhou)" <pcalhoun [at] cisco.com>
>>> Sent: Apr 10, 2008 4:52 PM
>>> To: capwap [at] frascone.com
>>> Subject: [Capwap] Question about IANA UDP Port Request
>>>
>>> All,
>>>
>>> IANA has come back to me after I requested two UDP ports asking 
>>> whether
>>
>>> these ports really need to be at the system level. I believe they 
>>> need to, but thought I'd solicit thoughts from the rest of the 
>>> working
>> group.
>>> PatC
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>
>
> --
>
> Magnus Westerlund
>
> IETF Transport Area Director & TSVWG Chair
> ----------------------------------------------------------------------
> Multimedia Technologies, Ericsson Research EAB/TVM
> ----------------------------------------------------------------------
> Ericsson AB                | Phone +46 8 4048287
> Färögatan 6                | Fax   +46 8 7575550
> S-164 80 Stockholm, Sweden | mailto: magnus.westerlund [at] ericsson.com
> ----------------------------------------------------------------------
>
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