8
BAT54-Rail/F..
Release
7.54
06/08
9.2 Which data packets to prefer? 312
9.2.1 Guaranteed minimum bandwidths 313
9.2.2 Limited maximum bandwidths 315
9.3 The queue concept 315
9.3.1 Queues in transmission direction 315
9.3.2 Queues for receiving direction 317
9.4 Reducing the packet length 318
9.5 QoS parameters for Voice over IP applications 320
9.6 QoS in sending or receiving direction 324
9.7 QoS configuration 325
9.7.1 Evaluating ToS and DiffServ fields 325
9.7.2 Defining minimum and maximum bandwidths 328
9.7.3 Adjusting transfer rates for interfaces 329
9.7.4 Sending and receiving direction 331
9.7.5 Reducing the packet length 331
9.8 QoS for WLANs (IEEE 802.11e) 333
10 Virtual LANs (VLANs) 335
10.1 What is a Virtual LAN? 335
10.2 This is how a VLAN works 335
10.2.1 Frame tagging 336
10.2.2 Conversion within the LAN interconnection 337
10.2.3 Application examples 338
10.3 Configuration of VLANs 340
10.3.1 The network table 341
10.3.2 The port table 341
10.3.3 Configuration with LANconfig 342
10.3.4 Configuration with WEBconfig or Telnet 344
10.4 Configurable VLAN Protocol ID 345
10.5 Configurable VLAN IDs 346
10.5.1 Different VLAN IDs per WLAN client 346
10.5.2 Special VLAN ID for DSLoL interfaces 346
10.6 VLAN tags on layer 2/3 in the Ethernet 347
10.6.1 Configuring VLAN tagging on layer 2/3 348
10.7 VLAN tags for DSL interfaces 349
10.8 VLAN Q-in-Q tagging 350