Planet GSD-802PS [55/87] Quality of service
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User’s Manual of GSD-800S / GSD-802S / GSD-802PS
4.9 Quality of Service
Quality of Service (QoS) is an advanced traffic prioritization feature that allows you to establish control over network traffic.
QoS enables you to assign various grades of network service to different types of traffic, such as multi-media, video,
protocol-specific, time critical, and file-backup traffic.
QoS reduces bandwidth limitations, delay, loss, and jitter. It also provides increased reliability for delivery of your data and
allows you to prioritize certain applications across your network. You can define exactly how you want the switch to treat
selected applications and types of traffic.
You can use QoS on your system to:
• Classifying traffic based on packet attributes.
• Assigning priorities to traffic (for example, to set higher priorities to time-critical or business-critical applications).
• Applying security policy through traffic filtering.
• Provide predictable throughput for multimedia applications such as video conferencing or voice over IP by
minimizing delay and jitter.
• Improve performance for specific types of traffic and preserve performance as the amount of traffic grows.
• Reduce the need to constantly add bandwidth to the network.
• Manage network congestion.
The QoS Configuration page contains fields for enabling or disabling QoS. In addition, the 802.1p mode or DSCP mode
can be selected. Both the two mode rely on predefined fields within the packet to determine the output queue.
Queue Mode - This indicates that traffic scheduling for the selected queue is based strictly or WRR ( Weight
Round Robin ) on the queue priority.
QoS Disabled - Disables managing network traffic using Quality of Service.
802.1p Mode –The output queue assignment is determined by the IEEE802.1p VLAN priority tag.
DSCP Mode - The output queue assignment is determined by the DSCP field.
#Notice:
The current version of GSD-800S/GSD-802S/GSD-802PS support QoS Strict mode only. The strict
mode is to specifies if traffic scheduling is based strictly on the queue priority.
The QoS Configuration page in Figure 4-37 appears.
Содержание
- Gsd 800s gsd 802s 1
- Gsd 802ps 1
- Port gigabit web smart ethernet switch 1
- Port gigabit web smart poe switch 1
- User s manual 1
- Ce mark warning 2
- Disclaimer 2
- Fcc warning 2
- Revision 2
- Trademarks 2
- Weee warning 2
- Table of contents 3
- How to use this manual 5
- Introduction 5
- Package contents 5
- Product features 6
- Product specification 7
- Installation 9
- Product description 9
- Product overview 9
- Led indicators 10
- Switch front panel 10
- Switch rear panel 11
- Desktop installation 12
- Install the switch 12
- Rack mounting 13
- Installing the sfp transceiver 14
- Management methods 16
- Overview 16
- Switch management 16
- Web management 16
- Login the switch 17
- Configuration 18
- Main menu 18
- System 20
- System info 20
- Misc configuration 21
- Port configuration 23
- Port mirroring 25
- Vlan membership 27
- Per port configuration 30
- Vlan setting example 32
- Rapid spanning tree 40
- Rstp system configuration 41
- Rstp port configuration 42
- Rstp status 43
- Link aggregation 46
- Port trunk 46
- Lacp status 49
- Igmp snooping 51
- Igmp snooping configuration 51
- Igmp snooping status 52
- Multicast group table 54
- Quality of service 55
- P qos mode 56
- Dscp qos mode 58
- X management 59
- Radius server configuration 60
- Port access control 62
- Dynamic address table 64
- Mac addresses 64
- Static mac address 65
- Factory reset 66
- Reboot 66
- Firmware upgrade 67
- Configuration upload 68
- Cable diagnostics 71
- Ω differential impedance between the positive and negative cable terminals ieee std 802 allows for a termination of as large as 115ω or as small as 85ω if the termination falls out of this range it is reported as falls an anomalous termination 72
- Web smart function 73
- Port statistics 77
- Status 77
- Igmp snooping status 78
- Lacp status 78
- Logout 78
- Multicast group status 78
- Rstp status 78
- Poe configuration gsd 802ps only 80
- Address table 82
- Forwarding filtering 82
- Learning 82
- Store and forward 82
- Switch operation 82
- 6 igmp snooping 83
- Auto negotiation 83
- Igmp snooping 83
- Igmp versions 1 and 2 83
- Theory 83
- Base tx port link led is lit but the traffic is irregular 85
- Performance is bad 85
- Some stations cannot talk to other stations located on the other port 85
- The link led is not lit 85
- Troubleshooting 85
- A 10 100mbps 10 100base tx 86
- A switch s rj 45 pin assignments 86
- Appendix a 86
- A rj 45 cable pin assignment 87
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