Configuring Trunks on Cisco Switches
[youtube http://youtu.be/uU1CRuuSBQo] A trunk will allow multiple VLANs to transport between switches. Trunk ports can be configured in two ways, the Cisco proprietary Inter-Switch Link, ISL, or with the standard IEEE 802.1Q Personally, I don’t use ISL and you shouldn’t either. But lets understand its differences with 802.1Q. Inter-Switch Link (ISL) ISL is Cisco proprietary in…