From: MADMAN (dmadlan@qwest.com)
Date: Fri Sep 26 2003 - 10:53:17 GMT-3
Carole wrote:
> 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..
You are correct but you can also channel a single VLAN.
>>
>>So if u use trunks and NOT configred the native VLAN it will automaticly send
>>the untagged frames to VLAN 1.
Yes VLAN 1 is the default but you can change it though I never do,
it's just another potential problem that buys you nothing.
Dave
>>
>>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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>>>>___
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>>>
>>>1
>>>
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>>>Please help support GroupStudy by purchasing your study materials from:
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>>_________________________________________________________________
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>
>
>
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