- 802.1Q.
- 1, 4094.
- Switch spoofing, double tagging.
- 7.
- It increases the number of possible VLANs (16,752,649 with a single level of nesting, with even more VLANs possible if there are multiple levels of nesting).
- Increased throughput, redundancy.
- None (we have to create rules to allow access from VLANs to other networks ourselves).
- Trunk ports and VLAN ports.
- PVID.
- Static, Dynamic Trunking Protocol (DTP), VLAN Trunking Protocol (VTP).
United States
United Kingdom
India
Germany
France
Canada
Russia
Spain
Brazil
Australia
Argentina
Austria
Belgium
Bulgaria
Chile
Colombia
Cyprus
Czechia
Denmark
Ecuador
Egypt
Estonia
Finland
Greece
Hungary
Indonesia
Ireland
Italy
Japan
Latvia
Lithuania
Luxembourg
Malaysia
Malta
Mexico
Netherlands
New Zealand
Norway
Philippines
Poland
Portugal
Romania
Singapore
Slovakia
Slovenia
South Africa
South Korea
Sweden
Switzerland
Taiwan
Thailand
Turkey
Ukraine