From: ANDY MAGERSUPP (amagersupp@hotmail.com)
Date: Mon Feb 10 2003 - 15:35:00 GMT-3
You will need to create the voice vlan---it is not created automatically
Andy
>From: "Dang Quang Minh" <minhdq@saigonctt.com>
>Reply-To: "Dang Quang Minh" <minhdq@saigonctt.com>
>To: "'Prashanth'" <prashanthcm@yahoo.com>, "'Manish Gupta'"
><manishgu@cisco.com>, "'Jonathan Charles'" <jrcdehc@ameritech.net>,
><ccielab@groupstudy.com>
>Subject: RE: Voice & Data VLAN
>Date: Tue, 11 Feb 2003 00:24:12 +0700
>
>I believe that we should use trunk mode for port supporting voice vlan.
>
>By the way, should we create vlan 66 in our vlan database in the case?
>Or vlan 66 will be automatically created?
>
>Thanks,
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Prashanth
>Sent: Sunday, February 09, 2003 4:30 PM
>To: Manish Gupta; Jonathan Charles; ccielab@groupstudy.com
>Subject: Re: Voice & Data VLAN
>
>John,
>
>I dont think this configuration works....
>
>A switchport in 'Access mode' drops tagged ethernet
>frames! because its not capable of understanding
>tagged frames.... so the port should be in 'Trunk'
>mode to understand tagged traffic.
>
>switchport voice vlan 66 command sends a CDP message
>to the IP Phone to tag the traffic with dot1Q with a
>VLAN ID/tag of 66 for the PC connected to your IP
>Phone to be in VLAN 5 you should configure the 'Native
>VLAN' on this 'trunk port' to be 5, then u have
>untagged traffic which belongs to VLAN 5 and tagged
>traffic which belongs to 66!
>
>I have tested this on the 2900/3500 XL puppies and I
>know for sure an Access Port cannot accept tagged
>frames.... but not sure if this is an exception on the
>3550s as I have not tried it on a 3550.
>
>anybody who has actually tried this config on a 3550
>can comment that an 'Access Port' is capable of
>understanding tagged frames from an IP Phone?
>
>-prashanth-
>
>
>--- Manish Gupta <manishgu@cisco.com> wrote:
> > Jonathan
> >
> > Your configuration is correct. By Default Voice
> > Packets will be tagged
> > 802.1Q IP priority 5. For more information on this
> > matter can be found at:
> >
>http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12112cea/3550s
>cg/swvoip.htm
> >
> > Thanks
> >
> >
> > At 03:00 PM 2/7/2003 -0600, Jonathan Charles wrote:
> > >How do you segment voice and data on the 3550.
> > >
> > >For example, let's say you have a 7960 with a PC
> > daisy-chained off of it
> > >connected to a port on the 3550. how would you
> > divide these packets?
> > >
> > >Here is what I came up with:
> > >
> > >
> > >Int fa0/4
> > > Switchport voice vlan 66
> > > Switchport access vlan 5
> > >
> > >
> > >
> > >With vlan 66 being the voice vlan and vlan 5 being
> > the data vlan.
> > >
> > >Is this correct?
> > >
> > >
> > >
> > >Jonathan
> > >.
> > -Manish
> > =====================
> > Software Engineer, MCEBU
> > CCIE: 10891 R&S
> > (408)525-9786
> > =====================
> > .
> >
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