Subject: Re: [Capwap] VLAN name in (section 4.4.8)Add Mobile Station

From: "Pat Calhoun (pacalhou)" <[email-masked]>
Date: Thu, 22 Jun 2006 07:13:22 -0700

Or some additional message elements in the configuration phase to plumb
the VLANs. The Add WLAN should point to the configured VLANs.

Pat Calhoun
CTO, Wireless Networking Business Unit
Cisco Systems

________________________________

	From: Michael Montemurro [mailto:[email-masked]] 
	Sent: Wednesday, June 21, 2006 12:14 PM
	To: Pat Calhoun (pacalhou)
	Cc: David T. Perkins; [email-masked]
	Subject: Re: [Capwap] VLAN name in (section 4.4.8)Add Mobile
Station

	We could add a VLAN tag field to the Add WLAN message element.
	 
	Cheers,
	 
	Mike

	On 6/20/06, Pat Calhoun (pacalhou) <[email-masked]> wrote: 

		Ok - so your point is that the protocol doesn't allow
one to configure
		the actual VLANs on a local MAC WTP. 
		
		Fair enough.
		
		Pat Calhoun
		CTO, Wireless Networking Business Unit
		Cisco Systems

		> -----Original Message-----
		> From: David T. Perkins [mailto: [email-masked]
<mailto:[email-masked]> ]
		> Sent: Monday, June 19, 2006 7:20 PM
		> To: Pat Calhoun (pacalhou)
		> Cc: [email-masked]
		> Subject: RE: [Capwap] VLAN name in (section 4.4.8)Add
Mobile Station
		>
		> HI,
		>
		> How do you know the VLAN Names so you can specify an
		> appropriate one in an Add Mobile station message.
		>
		> How do you configure VLANs on the WTP? 
		>
		> On a splitMAC WTP, this is not an issue, since you
configure
		> the egress VLAN on the AC, and you configure the ports
and
		> tags in each VLAN on the AC. Of course, how you set up
VLANs
		> on the AC is a local matter, not part of the CAPWAP
spec. 
		> However, it seems to me that you have to be able to
configure
		> the VLANs on a localMAC WTP via CAPWAP, since that is
the
		> only standard protocol between an AC and WTP, and you
really
		> need to configure the egress VLANs on a localMAC WTP. 
		>
		> If you don't use CAPWAP to determine the VLAN names on
a
		> localMAC WTP, or CAPWAP to configure VLANs on a
localMAC WTP,
		> then what would you use?
		>
		>
		> On Mon, 19 Jun 2006, Pat Calhoun (pacalhou) wrote: 
		> > Given we are sending a VLAN "name", the actual VLAN
		> identifier (tag)
		> > may differ across WTPs. I don't understand the
issue.
		> >
		> > Pat Calhoun
		> > CTO, Wireless Networking Business Unit Cisco Systems

		> > > -----Original Message-----
		> > > From: David T. Perkins
[mailto:[email-masked]]
		> > > Sent: Wednesday, June 14, 2006 5:04 PM
		> > > To: [email-masked]
		> > > Subject: [Capwap] VLAN name in (section 4.4.8)Add
Mobile Station
		> > >
		> > > HI,
		> > >
		> > > The message element (4.4.8)Add Modile Station has
subfield "VLAN
		> > > name". However, there are no CAPWAP messages or
message
		> elements for
		> > > VLAN names on a WTP to be managed by the the AC. 
		> > > (A value for a VLAN Name is only approapriate for
a localMAC
		> > > WTP.) Managed means to find out the list of the
VLAN
		> names, create
		> > > VLANs and apply attributes, modify VLAN
attributes, and delete 
		> > > VLANs. The attributes include the VLAN name, and
		> ports:tag pairs in
		> > > the VLAN. (By the way, this is sort of an
expansion of
		> CAPWAP, but
		> > > it is the price to pay to support localMAC.) 
		> > >
		> > > For example, consider a localMAC WTP with 4 802.3
ports.
		> > > It could have the following configuration:
		> > >
		> > > VLAN RED - members: port 1:untagged, port 2:tag
23, 
		> > >                     port 4:tag 56
		> > > VLAN GREEN - members: port 1:tag 96, port 2:tag
103 VLAN YELLOW -
		> > > members: port 1:tag 200, port 4:untagged (Port 3
is not a
		> member of 
		> > > any VLAN)
		> > >
		> > > This is not simple, esspecially since there may be
restrictions,
		> > > such as 1) all ports in a VLAN must use the same
tag, or
		> > > 2) a port can be either a TRUNK port or a feeder
port and feeder 
		> > > ports are untagged, and the VLANs on the trunk
port must be all
		> > > tagged. (I've seen many different sets of
limitations.)
		> > >
		> > > I'm not sure what to suggest, other than to drop
support for 
		> > > localMAC WTPs (only joking).
		> > >
		> > > Regards,
		> > > /david t. perkins
		>
		> Regards,
		> /david t. perkins
		>
	
_________________________________________________________________ 
		To unsubscribe or modify your subscription options,
please visit:
		http://lists.frascone.com/mailman/listinfo/capwap
		
		Archives: http://lists.frascone.com/pipermail/capwap

_________________________________________________________________
To unsubscribe or modify your subscription options, please visit:
http://lists.frascone.com/mailman/listinfo/capwap

Archives: http://lists.frascone.com/pipermail/capwap