Showing posts with label fields. Show all posts
Showing posts with label fields. Show all posts

Wednesday, March 14, 2012

VLANs - IEEE 802.1q Trunk Link Protocol Analysis

IEEE 802.1q VLAN tagging analysis. This article analyses the IEEE 802.1q Header tags and fields in great detail with the help of our unique 3D diagrams to help you understand how 802.1q VLAN tagging operates. 802.1q Tagging is widely used in VLAN networks around the world and therefore considered a must for all serious engineers and administrators.

http://www.firewall.cx/networking-topics/vlan-networks/221-vlan-8021q-analysis.html

Tuesday, March 13, 2012

VLANs - InterSwitch Link (ISL) Protocol Analysis

VLAN - InterSwitch Link (ISL) analysis. This article examines the Cisco propriety ISL frame and analyse its header fields in great depth. Using our easy-to-follow diagrams and analysis you'll understand how an ISL frame is constructed and contents of all fields.

http://www.firewall.cx/networking-topics/vlan-networks/220-vlan-isl-analysis.html