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New Member

Vlan tag

Hi.

My customer want to know the tag value of the my vlan's. A hexadecimal value. The place are connected by Metroethernet.

Thanks

Peterson

2 REPLIES
bjw Silver
Silver

Re: Vlan tag

Never had anyone ask for that before.

See the following ref, a dot1q tag is 4 bytes

the first 2 should be 0x8100

the next 4 bits are related to layer 2 qos,

the last 12 bits are the VLANID (VLAN #).

You might have to ask what the requestor really needs.

http://www.cisco.com/en/US/tech/tk389/tk390/technologies_tech_note09186a0080094665.shtml#topic2

New Member

Re: Vlan tag

Hi.

Am I then the first? We go there!

How I can see this value in the switch? What's the command?

Thanks.

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