From: Carole (cwr@rocketmail.com)
Date: Fri Sep 26 2003 - 09:11:31 GMT-3
The "switchport mode access" and the "switchport mode trunk" are mutually
exclusive commands. But you can define the access VLAN to be 567 or other
valid VLAN numbers, with the "switchport access vlan <vlan-number>" command.
Carole
--- iwan <iwan@i-lusion.nl> wrote:
> Hi Scot,
>
> I totally agree with you,
>
> If you check the "Cat 3550 Mulilayer Switch Software Configuration Guide" on
> page 29-9 you will see that if you configure the "switchport mode access"
> command you can only use 1 VLAN
>
> If you configre the "switchport mode trunk" you can set up an etherchannel
> with multiple VLAN's
>
> Please correct me if i am wrong..
>
> So if u use trunks and NOT configred the native VLAN it will automaticly send
> the untagged frames to VLAN 1.
>
> Thats what i think
>
>
> Iwan Hoogendoorn
> MCSA,MCSE, MCDBA, CCA, CCNA
> E-mail : iwan@i-lusion.nl
>
>
> ________________________________
>
> Van: nobody@groupstudy.com namens Scott Morris
> Verzonden: vr 26-9-2003 2:29
> Aan: 'yu chunyan'; navaid@rogers.com; seonghui@vads.com;
> ccielab@groupstudy.com
> Onderwerp: RE: switchport access and switchport trunk on the same port
>
>
>
> If in access mode, obviously there's no tagging, and it'll be vlan 567.
>
> In a trunk mode, since nothing is telling us the native vlan, it will be
> on vlan 1 for the untagged stuff.
>
> Scott
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> yu chunyan
> Sent: Thursday, September 25, 2003 7:16 PM
> To: navaid@rogers.com; seonghui@vads.com; ccielab@groupstudy.com
> Subject: Re: switchport access and switchport trunk on the same port
>
>
> the untagged frame belong to vlan567 or vlan 1? which one?
>
> Bin.
>
> >From: <navaid@rogers.com>
> >Reply-To: <navaid@rogers.com>
> >To: "seonghui" <seonghui@vads.com>, <ccielab@groupstudy.com>
> >Subject: Re: switchport access and switchport trunk on the same port
> >Date: Thu, 25 Sep 2003 13:21:38 -0400
> >
> >I think it means untaged frame will go on vlan 567. i.e. Native VLAN
> >Navaid
> > >
> > > From: "seonghui" <seonghui@vads.com>
> > > Date: 2003/09/25 Thu AM 11:40:56 EDT
> > > To: <ccielab@groupstudy.com>
> > > Subject: switchport access and switchport trunk on the same port
> > >
> > > Hi Group,
> > >
> > > Just out of curiousity, what does the below config mean:
> > >
> > > interface FastEthernet0/17
> > > description *** R7 ***
> > > switchport access vlan 567
> > > switchport trunk encapsulation dot1q
> > > switchport mode trunk
> > > no ip address
> > >
> > > Does it mean that R7 connected to switch port fas0/17 is on vlan567
> > > and
> >at
> > > the same time, R7 is also a dot1q trunk? Or this config is not valid
>
> > > at
> >all?
> > > and cannot be applied under any environment.
> > >
> > > regards - SH
> > >
> > > ***Get your CCIE and a FREE vacation: Shop.GroupStudy.com***
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> >1
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