MLS Multilayer Switching (MLS) is Cisco's Ethernet-based routing switch technology. MLS is currently supported in two platforms: the Catalyst 5000 and the Catalyst 6000. The Catalyst 5000 makes use of the NetFlow Feature Card (NFFC) I or II to provide hardware-assisted routing. The Catalyst 6000 performs the same operations using the Multilayer Switch Feature Card (MSFC) in … [Read more...]
Protocol Filtering
Protocol Filtering A switch forwards traffic within a broadcast domain based upon the destination MAC address. The switch filters, forwards, or floods the frame depending upon whether or not the switch knows about the destination in its address table. The switch normally does not look at any Layer 3 information (or Layer 2 protocol type) to decide how to treat the frame. (MLS … [Read more...]