Nov 26 2007
VLAN Trunking using ISL
Inter-Switch Link (ISL) is a Cisco specific implementation of trunking multiple VLANs between two Cisco switches where a single interface will carry traffic for more than one VLAN. ISL was designed to work with Ethernet, FDDI, Token Ring, and ATM.
ISL completely encapsulates the original Ethernet frame by adding a new 26 byte header and [...]
