Ґґґґґґґ :)

• IEEE 802.1Q - simple VLAN standard?
• Not really, original version amended by at least 14 additional standards
• 802.1Q-1998 had 211 pages
• 802.1Q-2011 has 1365 pages, and includes:
• 802.1u
• 802.1v
• 802.1s (multiple spanning trees)
• 802.1ad (provider bridging)
• 802.1ak (MRP, MVRP, MMRP)
• 802.1ag (CFM)
• 802.1ah (PBB)
• 802.1ap (VLAN bridges MIB)
• 802.1Qaw
• 802.1Qay (PBB-TE)
• 802.1aj
• 802.1Qav
• 802.1Qau (congestion management)
• 802.1Qat (SRP)

Учиться и учиться еще! :))

-- 
Volodymyr Litovka
  "Vision without Execution is Hallucination." -- Thomas Edison