Quality of Service

Quality of Service

Traffic control in a network can be achieved by Quality of Service (QoS) algorithms, which involves guiding the packets based on some predefined rules. Traffic control classifies packets and places them in individual flows or classes. It can then police by limiting the number of packets transmitted and/or schedule the packets in different order of priority for transmission.

The QoS algorithms in the router can apply prioritization rules on traffic which are passing through the router. However, the traffic will need to be prioritized at every hop router until it reaches its destination to ensure good quality of service. This can be achieved by ensuring that the TOS octet in IP header is set appropriately. Every hop router can prioritize traffic based on the TOS octet value in the packet’s IP Header.

9.1 Hierarchical Token Bucket (HTB)

HTB is a classful queuing algorithm which provides rate limiting, guaranteed bandwidth and prioritization of the traffic. HTB ensures that the amount of service provided to each class is at least the minimum of the amount it requests and the amount assigned to it. When a class requests less than the amount assigned, the remaining (excess) bandwidth is distributed to other classes which request service and which have highest priority.

To enable this feature, the administrator can configure the total interface bandwidth and different classes with the total bandwidth shared among them. Subsequently filters need to be configured to match the traffic to flow through the different classes.

9.1.1 Class Configuration

The administrator should configure a Root Node first, by specifying the interface bandwidth (upstream link bandwidth) and the default class to be used for unclassified traffic. Subsequently, Class Nodes can be added and the interface bandwidth can be distributed among these classes.

Select QoS → HTB Configuration to enter the HTB QoS Configuration. Select Node as Root to configure the HTB Root Settings.

Web UI

HTB QoS Configurations

Interface Name Select the interface (LAN, WAN1, WAN2) on which the bandwidth control is to be added

Node

Select the node (Root, Class) to be configured.

HTB Root Settings Displays when Node is selected as Root.

Dlink DRO-210i User Guide

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D-Link DRO-210i manual Quality of Service, Hierarchical Token Bucket HTB, Class Configuration, HTB QoS Configurations
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DRO-210i specifications

The D-Link DRO-210i is an innovative smart security camera designed to bring peace of mind to homeowners and businesses alike. With its sleek design and advanced features, the DRO-210i stands out as a reliable surveillance solution that caters to a range of security needs.

One of the main features of the DRO-210i is its high-definition video streaming capability. With a resolution of up to 1080p, users can enjoy crisp and clear video footage, ensuring that every detail is captured. This camera is equipped with a wide-angle lens, offering a 130-degree field of view, which allows for comprehensive monitoring of large areas, making it ideal for both indoor and outdoor use.

The DRO-210i utilizes advanced infrared night vision technology, enabling it to capture clear images even in complete darkness. This feature ensures that security is maintained 24/7, offering peace of mind regardless of lighting conditions. The camera automatically switches to night mode when it detects low light, ensuring continuous monitoring without manual intervention.

Another standout characteristic of the DRO-210i is its motion detection capabilities. The camera features customizable motion zones and alerts, allowing users to define specific areas for monitoring. When motion is detected, the camera can send real-time alerts to the user's smartphone or email, ensuring prompt responses to any potential security threats.

The integration of two-way audio allows for real-time communication through the camera. Users can listen and speak through the camera's built-in speaker and microphone, providing an added layer of security. This feature is particularly useful for engaging with visitors or deterring potential intruders.

For convenient storage options, the DRO-210i supports both local and cloud storage. Users can insert a microSD card for local recording or opt for D-Link’s cloud storage service for easy and secure access to footage from anywhere in the world. This flexibility ensures that important recordings are safely stored and easily retrievable.

The camera's compatibility with smart home systems is an essential aspect of its design. The DRO-210i works seamlessly with various smart home ecosystems, allowing users to integrate it into their existing setups, enhancing their overall smart home experience.

In summary, the D-Link DRO-210i is a feature-rich, user-friendly security camera equipped with high-definition video, night vision, motion detection, two-way audio, and flexible storage options. Its compatibility with smart home technologies makes it an ideal choice for those seeking a comprehensive surveillance solution that not only enhances security but also integrates with their lifestyle.
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