Raisecom ISCOM2600G-HI (A) Series - Page 16

Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
Contents
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
xiv
6.6.6 Configuring global DHCPv6 Relay .................................................................................................... 283
6.6.7 Configuring DHCPv6 Relay on VLAN interface ............................................................................... 284
6.6.8 (Optional) configuring DHCP Relay to support Option 82 ................................................................. 284
6.6.9 Checking configurations ..................................................................................................................... 284
6.6.10 Example for configuring DHCPv4 Relay ......................................................................................... 285
7 QoS ............................................................................................................................................... 287
7.1 Introduction .................................................................................................................................................. 287
7.1.1 Service model...................................................................................................................................... 287
7.1.2 Priority trust ........................................................................................................................................ 288
7.1.3 Traffic classification ............................................................................................................................ 288
7.1.4 Traffic policy ....................................................................................................................................... 290
7.1.5 Priority mapping ................................................................................................................................. 291
7.1.6 Queue scheduling ................................................................................................................................ 291
7.1.7 Congestion avoidance ......................................................................................................................... 293
7.1.8 Rate limiting based on interface and VLAN ....................................................................................... 294
7.1.9 QoS enhancement ............................................................................................................................... 294
7.2 Configuring priority ..................................................................................................................................... 295
7.2.1 Preparing for configurations ............................................................................................................... 295
7.2.2 Default configurations of basic QoS ................................................................................................... 295
7.2.3 Configuring types of priorities trusted by interface ............................................................................ 296
7.2.4 Configuring mapping from CoS to local priority ................................................................................ 296
7.2.5 Configuring mapping from DSCP to local priority and color ............................................................. 297
7.2.6 Configuring DSCP mutation ............................................................................................................... 297
7.2.7 Configuring CoS remarking ................................................................................................................ 298
7.2.8 Checking configurations ..................................................................................................................... 298
7.3 Configuring congestion management ........................................................................................................... 299
7.3.1 Preparing for configurations ............................................................................................................... 299
7.3.2 Default configurations of congestion management ............................................................................. 299
7.3.3 Configuring SP queue scheduling ....................................................................................................... 299
7.3.4 Configuring WRR or SP+WRR queue scheduling ............................................................................. 300
7.3.5 Configuring DRR or SP+DRR queue scheduling ............................................................................... 300
7.3.6 Configuring queue bandwidth guarantee ............................................................................................ 300
7.3.7 Checking configurations ..................................................................................................................... 301
7.4 Configuring congestion avoidance ............................................................................................................... 301
7.4.1 Preparing for configurations ............................................................................................................... 301
7.4.2 Default configurations of congestion avoidance ................................................................................. 301
7.4.3 Configuring SRED .............................................................................................................................. 302
7.4.4 Checking configurations ..................................................................................................................... 302
7.5 Configuring traffic classification and traffic policy ..................................................................................... 302
7.5.1 Preparing for configurations ............................................................................................................... 302
7.5.2 Default configurations of traffic classification and traffic policy ....................................................... 303