From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Sun Oct 26 2003 - 22:10:32 GMT-3
Scott,
Yeah, I misread the original question. The ports I was
referencing are destination ports, not source ports.
Thanks,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
Direct: 708-362-1418 (Outside the US and Canada)
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Scott Morris
> Sent: Sunday, October 26, 2003 7:05 PM
> To: 'Brian McGahan'; adminl@kuix.com; ccielab@groupstudy.com
> Subject: RE: DLSW port 2067( no more used)
>
> Cisco has always used port 2065 as the destination. For the earlier
> RFC's, the messages were sourced from port 2067. Then they kept with
> the times and used the updated RFC (recommendation, yes) in order to
> source FROM a tcp port randomized anywhere from 11000 to 11999. but
the
> destination port has remained the same going to 2065.
>
> You are correct about the 1981, 1982 and 1983 if prioritization is
> configured. These will be the destination ports though.
>
> HTH,
>
>
> Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
> CISSP, JNCIS, et al.
> IPExpert CCIE Program Manager
> IPExpert Sr. Technical Instructor
> swm@emanon.com/smorris@ipexpert.net
> http://www.ipexpert.net
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Brian McGahan
> Sent: Sunday, October 26, 2003 1:27 PM
> To: adminl@kuix.com; ccielab@groupstudy.com
> Subject: RE: DLSW port 2067( no more used)
>
>
> Remember that an RFC is just a recommendation, and does not
> necessarily reflect a specific vendor's implementation. Cisco uses
TCP
> port 2065 for DLSw+. Ports 1981-1983 may also be used if DLSw+
> prioritization is configured.
>
> HTH,
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Direct: 708-362-1418 (Outside the US and Canada)
>
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > adminl@kuix.com
> > Sent: Sunday, October 26, 2003 3:51 AM
> > To: ccielab@groupstudy.com
> > Subject: DLSW port 2067( no more used)
> >
> > my friend inform that the TCP port of DLSW (2067) is the source port
> per
> > the original RFC. Later RFC's replaced that with a high random port
> > between 11000 and 11999. So we will not use 2067 any longer.
> >
> > So when we use access-lsit to permit dlsw port
> >
> > Extended IP access-list DLSW-IN
> > permit tcp any any range 11000 11999
> > permit tcp any range 11000 11999 any
> >
> > Any comments?
> >
> >
>
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