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

[Margaret Wasserman (margaret]

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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