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Contents xi
13.6 Configuration Process................................................................................... 13-8
13.6.1 Defining a VLAN ...........................................................................13-8
13.6.2 Classifying Frames to a VLAN ......................................................13-8
13.6.3 Customizing the VLAN Forwarding List ........................................13-8
13.7 VLAN Switch Operation ................................................................................13-9
13.7.1 Receiving Frames from VLAN Ports...........................................13-10
13.7.2 Forwarding Decisions ................................................................. 13-10
13.7.2.1 Broadcasts, Multicasts, and Unknown Unicasts..........13-10
13.7.2.2 Known Unicasts...........................................................13-11
13.8 VLAN Configuration .................................................................................... 13-11
13.8.1 Managing the Switch................................................................... 13-11
13.8.2 Switch Without VLANs................................................................13-11
13.8.3 Switch with VLANs...................................................................... 13-12
13.9 Summary of VLAN Local Management.......................................................13-14
13.9.1 Preparing for VLAN Configuration ..............................................13-15
13.10 Quick VLAN Walkthrough ...........................................................................13-16
13.11 Examples .................................................................................................... 13-21
13.12 Example 1, Single Switch Operation...........................................................13-22
13.12.1 Solving the Problem....................................................................13-22
13.12.2 Frame Handling ..........................................................................13-24
13.13 Example 2, VLANs Across Multiple Switches .............................................13-24
13.13.1 Solving the Problem....................................................................13-26
13.13.2 Frame Handling ..........................................................................13-29
13.14 Example 3, Filtering Traffic According to a Layer 4 Classification Rule...... 13-32
13.14.1 Solving the Problem....................................................................13-32
13.15 Example 4, Securing Sensitive Information According to Subnet ............... 13-33
13.15.1 Solving the Problem....................................................................13-34
13.16 Example 5, Using Dynamic Egress to Control Traffic .................................13-34
13.17 Example 6, Locking a MAC Address to a Port Using Classification Rules .13-36
13.17.1 Solving the Problem....................................................................13-36
A
GENERIC ATTRIBUTE REGISTRATION PROTOCOL (GARP)
A.1 Operation ........................................................................................................A-1
A.2 How It Works...................................................................................................A-2
B
ABOUT IGMP
B.1 IGMP Overview...............................................................................................B-1
B.2 Supported Features and Functions.................................................................B-2
B.3 Detecting Multicast Routers ............................................................................B-3
INDEX