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Planet GSD-800S — пользовательское руководство по качеству обслуживания сети [55/87]
![Planet GSD-800S [55/87] Quality of service](/views2/1070861/page55/bg37.png)
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 p.1
- User s manual p.1
- Port gigabit web smart ethernet switch p.1
- Gsd 802ps p.1
- Port gigabit web smart poe switch p.1
- Disclaimer p.2
- Ce mark warning p.2
- Weee warning p.2
- Trademarks p.2
- Revision p.2
- Fcc warning p.2
- Table of contents p.3
- Package contents p.5
- Introduction p.5
- How to use this manual p.5
- Product features p.6
- Product specification p.7
- Product overview p.9
- Product description p.9
- Installation p.9
- Switch front panel p.10
- Led indicators p.10
- Switch rear panel p.11
- Desktop installation p.12
- Install the switch p.12
- Rack mounting p.13
- Installing the sfp transceiver p.14
- Web management p.16
- Switch management p.16
- Overview p.16
- Management methods p.16
- Login the switch p.17
- Configuration p.18
- Main menu p.18
- System info p.20
- System p.20
- Misc configuration p.21
- Port configuration p.23
- Port mirroring p.25
- Vlan membership p.27
- Per port configuration p.30
- Vlan setting example p.32
- Rapid spanning tree p.40
- Rstp system configuration p.41
- Rstp port configuration p.42
- P port configuration p.42
- Rstp status p.43
- Port trunk p.46
- Link aggregation p.46
- Lacp status p.49
- Igmp snooping p.51
- Igmp snooping configuration p.51
- Igmp snooping status p.52
- Multicast group table p.54
- Quality of service p.55
- P qos mode p.56
- Dscp qos mode p.58
- X management p.59
- Radius server configuration p.60
- Port access control p.62
- Mac addresses p.64
- Dynamic address table p.64
- Static mac address p.65
- Reboot p.66
- Factory reset p.66
- Firmware upgrade p.67
- Configuration upload p.68
- Cable diagnostics p.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 p.72
- Web smart function p.73
- Port statistics p.77
- Status p.77
- Rstp status p.78
- Multicast group status p.78
- Logout p.78
- Lacp status p.78
- Igmp snooping status p.78
- Poe configuration gsd 802ps only p.80
- Learning p.82
- Switch operation p.82
- Store and forward p.82
- Forwarding filtering p.82
- Address table p.82
- Theory p.83
- Igmp versions 1 and 2 p.83
- Igmp snooping p.83
- Auto negotiation p.83
- Troubleshooting p.85
- The link led is not lit p.85
- Some stations cannot talk to other stations located on the other port p.85
- Performance is bad p.85
- Base tx port link led is lit but the traffic is irregular p.85
- Appendix a p.86
- A switch s rj 45 pin assignments p.86
- A 10 100mbps 10 100base tx p.86
- A rj 45 cable pin assignment p.87
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Узнайте, как управлять сетевым трафиком с помощью функции качества обслуживания (QoS). Оптимизируйте производительность приложений и уменьшите задержки.