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clarifications with Frame Tagging
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djmaplethorpe
Senior Member/Major Pain
Registered: Mar 2002
Location: WW, WA
Country: United States
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Certifications: A+, Net+
Working on: CCNA
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 clarifications with Frame Tagging
In the book I am using it states Frame Tagging, "this frame identification method uniquely assigns a user-defined ID to each frame"
How can this be user-defined, and what are they using as the ID? Am I reading to much into this? Sounds like to me it requires user intervention.
any help is welcome
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 02-24-03 09:05 PM
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Sexy Lexy
Time to be bad
Registered: Jan 2002
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Certifications: MCSE NT/W2K, MCSA , MCSA:Messaging, MCP, CNA, CCNA
Working on: CCNP, CCDA, CCDP, W2K3
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What book are you using? And in what context does it mention Frame Tagging?
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02-24-03 09:33 PM
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deadfred
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Hope this helps .. (this is straight from Cisco CCO)
Frame Tagging in ISL
With ISL, an Ethernet frame is encapsulated with a header that transports VLAN IDs between switches and routers. A 26-byte header that contains a 10-bit VLAN ID is prepended to the Ethernet frame.
A VLAN ID is added to the frame only when the frame is destined for a non-local network. Figure 9 illustrates VLAN packets traversing the shared backbone. Each VLAN packet carries the VLAN ID within the packet header.
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02-25-03 12:01 PM
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djmaplethorpe
Senior Member/Major Pain
Registered: Mar 2002
Location: WW, WA
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Certifications: A+, Net+
Working on: CCNA
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quote:
Originally posted by Sexy Lexy
What book are you using? And in what context does it mention Frame Tagging?
Lexy, I'm using Lammle book 3rd Edition CCNA Study Guide. the context is just that, they are trying to explain what tagging is, I understand the concept of tagging I just don't understand the idea of a user defined ID.
thanks
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02-25-03 03:12 PM
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