From: John Edom (jedom123@gmail.com)
Date: Sat Dec 13 2008 - 13:50:43 ARST
You means when sw1 will receive traffic on native vlan, it will not tag
these packets and forward to sw2 without tag. sw2 will find vlan number that
is tagged by client and if that vlan is also in provider's internal network
then traffic will mixed otherwise drop.
"vlan dot1q tag native" can be used only when we want to use native vlan as
carrier vlan.
In lab exam, should we configure it as best practice or only if native vlan
is used as carrier?
Regards
On Sat, Dec 13, 2008 at 7:38 PM, Sachin D <networker.ccie@gmail.com> wrote:
> Traffic will be mixed
>
> When Packet reaches the trunk it will see the vlan Header and it will find
> the customer VLAN Tag rather than the Service Provider VLAN tag and will
> pass the traffic to the VLAN having same VLAN ID as of the customer but
> inside the Service Provider.
>
> Regards
>
>
>
>
> On Sat, Dec 13, 2008 at 8:58 PM, John Edom <jedom123@gmail.com> wrote:
>
>> Hi,
>>
>> I am still not clear so can you explain briefly with below scanerio
>>
>>
>> Client------------SW1-------------SW2--------------SW3---------------Client
>>
>> lets suppose here native vlan is 10 on provider switches SW1,2,3. now if
>> native vlan is assigned as carrier vlan without using "vlan dot1q tag
>> native" command what will happen ? client traffic will not go to other
>> switches or will mix with internal traffic or what ?
>>
>> Waiting
>>
>> Regards
>>
>>
>>
>> On Sat, Dec 13, 2008 at 7:10 PM, Sachin D <networker.ccie@gmail.com>wrote:
>>
>>> If the packet travels using the native vlan without the "vlan dot1q tag
>>> native" command hence there will be no outer tag in the packet therefore the
>>> switch might consider inner tag and may do switching based on internal tag.
>>> Hence it is very much necessary if you are using Native VLAN as the carrier
>>> VLAN.
>>>
>>> Regards
>>> Sachin
>>> CCIE# 22935
>>>
>>> On Sat, Dec 13, 2008 at 3:29 PM, John Edom <jedom123@gmail.com> wrote:
>>>
>>>> Hi All,
>>>>
>>>> someone tell me when and why we use "vlan dot1q tag native" command
>>>> which
>>>> configuring dot1q tunneling between switches?
>>>>
>>>> Regards
>>>>
>>>>
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