[c-nsp] vlan configuration for video system
Ray Burkholder
ray at oneunified.net
Sat Apr 14 16:00:30 EDT 2007
IF you are using Cisco switches, VMPS is free:
http://sourceforge.net/search/?type_of_search=soft&words=vmps
You could also try using 802.1X
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Voll, Scott
> Sent: Friday, April 13, 2007 11:38
> To: Dan; Nick Griffin; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] vlan configuration for video system
>
> We run a quad of Cat 5e everywhere. If you did the same
> thing, could you just mark one port Video in each room it
> will be used in and put each respected switch port in the
> video vlan? (lot of burned switch ports but it could work)
>
> Scott
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Dan
> Sent: Friday, April 13, 2007 7:34 AM
> To: Nick Griffin; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] vlan configuration for video system
>
> Nick,
>
> The problem is that it really needs to be mobile. The video
> devices will be moved from room to room buy the users and
> plugged into wall jacks throughout the building. I have
> looked into vmps, but those switches are out of the price
> range. If you have any other suggestions please let me know.
>
> Thanks,
> Dan.
>
>
> Nick Griffin wrote:
> > What I'm saying is there are not a lot of ways to
> dynamically assign
> > those video devices/ports to certain vlans. You may look
> into VMPS, it
>
> > can do vlan assignments based on mac address, but it
> requires a switch
>
> > capable of being the server. Designate ports 1-X for video and put
> > them in your video vlan. Configure them for priority
> queuing and the
> > switch to "mls qos trust dscp".
> >
> > On 4/13/07, *Dan* <dan at technc.com <mailto:dan at technc.com>> wrote:
> >
> > Thanks for your reply.
> >
> > We are not implementing a voip system yet but if we do
> the phones
> > we buy
> > will support cdp. So that would be fine.
> >
> > So from what I gather, our video system has to be able to mark
> > packets
> > with a dscp value, which it does. Separate Vlan's are
> recommended.
> >
> > So the only thing I need yet is a way for the switch to put a
> video
> > device into the "video" vlan when its plugged in. Is
> there a way
> > to do
> > this with acl's? Would specified address help?
> >
> > The quality across the wireless links has been taken care of.
> That is
> > not a concern to me.
> >
> > Thanks,
> > Dan.
> >
> >
> > Nick Griffin wrote:
> > > The only mechanism I know of on a switch to be able
> to determine
> > what
> > > vlan a port should be assigned to is the
> communication between a
> > cisco
> > > phone and switch utilizing CDP. There are of course other
> external
> > > options, but thats more along the lines of security and Cisco
> > ACS. I
> > > wouldn't imagine the capability or the need to trunk
> to a video
> > > system. Typically the video systems will set DSCP values for
> their
> > > control and video traffic which you would configured
> your switch
> to
> > > "trust". If for some reason they wouldn't mark they data, you
> would
> > > use an extended acl to identify the traffic and set the DSCP
> value
> > > accordingly. Some systems also use RSVP to request the
> reservation
> > > from the network. I would recommend separate voice video and
> data
> > > vlans to allow the different levels of QoS required for each
> > > respective application. I would have a more of a concern with
> being
> > > able to control quality across those wireless links if video
> will be
> > > running across them.
> > >
> > > HTH,
> > >
> > > Nick Griffin, CCIE #17381
> > >
> > > On 4/12/07, *Dan Letkeman* < dan at technc.com
> > <mailto:dan at technc.com> <mailto:dan at technc.com
> > <mailto:dan at technc.com>>>
> > > wrote:
> > >
> > > Thats what I was afraid of having to do. Its polycom vsx
> 6000's
> > > that we are
> > > using. They do have the capability of marking
> packets with
> > dscp
> > > so I could
> > > do that. I guess without having vlan tagging on
> the polycom
> > > equipment there
> > > is no way for the switch to know what vlan that unit is
> supposed
> > > to be on?
> > > Dan
> > >
> > >
> > >
> > > -----Original Message-----
> > >
> > > From: "Voll, Scott" <Scott.Voll at wesd.org
> > <mailto:Scott.Voll at wesd.org> <mailto: Scott.Voll at wesd.org
> > <mailto:Scott.Voll at wesd.org>>>
> > >
> > > To: "Dan" <dan at technc.com <mailto:dan at technc.com>
> > <mailto:dan at technc.com <mailto:dan at technc.com>>>,
> > > < cisco-nsp at puck.nether.net
> > <mailto:cisco-nsp at puck.nether.net>
> > <mailto:cisco-nsp at puck.nether.net
> <mailto:cisco-nsp at puck.nether.net>>>
> > >
> > > Date: Thu, 12 Apr 2007 14:54:53 -0700
> > >
> > > Subject: RE: [c-nsp] vlan configuration for video system
> > >
> > >
> > >
> > >
> > > What kind of video system? Does it mark packets
> with DSCP /
> IP
> > > Prec by
> > >
> > > default?
> > >
> > >
> > >
> > > My guess is that if your going to make a separate video
> > vlan, you
> > > will
> > >
> > > have to assign the port to the video vlan
> manually. ( more
> > Management
> > >
> > > :-(
> > >
> > >
> > >
> > > Scott
> > >
> > >
> > >
> > > -----Original Message-----
> > >
> > > From: cisco-nsp-bounces at puck.nether.net
> > <mailto:cisco-nsp-bounces at puck.nether.net>
> > > <mailto:cisco-nsp-bounces at puck.nether.net
> > <mailto:cisco-nsp-bounces at puck.nether.net>>
> > >
> > > [mailto:cisco-nsp-bounces at puck.nether.net
> > <mailto:cisco-nsp-bounces at puck.nether.net>
> > > <mailto:cisco-nsp-bounces at puck.nether.net
> > <mailto:cisco-nsp-bounces at puck.nether.net>>] On Behalf Of Dan
> > >
> > > Sent: Thursday, April 12, 2007 1:26 PM
> > >
> > > To: cisco-nsp at puck.nether.net
> > <mailto:cisco-nsp at puck.nether.net> <mailto:
> > cisco-nsp at puck.nether.net <mailto:cisco-nsp at puck.nether.net>>
> > >
> > > Subject: [c-nsp] vlan configuration for video system
> > >
> > >
> > >
> > > Hello
> > >
> > >
> > >
> > > We are implementing a video conferencing system on our
> > system and
> > > I was
> > >
> > > wondering if anyone had recommendations for how to setup
> the
> > > vlan's for
> > >
> > >
> > >
> > > data/video/voice.
> > >
> > >
> > >
> > > We currently have one 3560 in each of the
> buildings and 2-10
> > 2960's
> > >
> > > behind the 3560. All of the buildings are connected via
> > wireless
> > >
> > > bridges.
> > >
> > >
> > >
> > > Should I create a separate vlan for voice, video,
> data, and
> > management
> > >
> > > in each building?
> > >
> > >
> > >
> > > If I do create a separate vlan for each piece, how do the
> > switches
> > > know
> > >
> > > how to put say a video device on the video vlan when its
> > connected on
> > >
> > > the switch?
> > >
> > >
> > >
> > > If there are any other suggestions please let me
> know as I'm
> > open
> > > to any
> > >
> > >
> > >
> > > options so I can make this system easy to manage and work
> well.
> > >
> > >
> > >
> > > Thanks,
> > >
> > > Dan.
> > >
> > >
> > >
> > > _______________________________________________
> > >
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