ADTRAN NetVanta 3448 User manual

Recommended QoS Configuration
Settings for
AdTran NetVanta 3448 Router

Recommended QoS Configuration | AdTran NetVanta 3448 | Contents
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Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Supported browsers for test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Quality of Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Test your connection capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Test your connection quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Configure your router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
AdTran NetVanta 3448 QoS configuration . . . . . . . . . . . . . . . . . . . . . . . 6
Ports and Firewalls Settings for RingCentral VoIP Service . . . . . . . . . . . . 23

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Recommended QoS Configuration | AdTran NetVanta 3448 | Introduction
Introduction
RingCentral®has taken the “guesswork” out of router selection. Since we
know that Quality of Service (QoS) is paramount to your business, we have
carefully selected and tested a set of dependable routers suitable for
supporting high quality Voice-over-IP conversations.
This document provides recommended configuration settings to ensure
the highest possible QoS for voice calls on the AdTran®NetVanta®3448
router.
Additional routers that have been tested and recommended are shown on
the Recommended Routers page of the RingCentral Customer Care
website.
Supported browsers for test
Internet Explorer 11 or higher (Windows XP, 7, 8 or higher)
Firefox version 36 or higher (Windows and Mac)
Safari version 6.2 or higher (Mac)
Note:
The routers recommended here are quality hardware that we
have tested internally and work reliably with our services.
However, given the constantly updated firmware and physical
changes made by manufacturers and the nature of cloud-based
services, RingCentral cannot control the final configuration of
the hardware or your computer systems/networks, or promise
that any given router will work with your system, or guarantee
that our information is 100% up to date.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Quality of Service
Quality of Service
RingCentral®provides reliable, high-quality voice service. Your local network,
Internet connection, and your router all contribute to overall call quality, with
sufficient dedicated bandwidth to voice calls being the biggest factor. To help
you manage your call quality, RingCentral offers tools to check your Internet
connection speed, and instructions to configure the Quality of Service (QoS)
settings of your routers.
The Quality of Service (QoS) settings on your router enable it to give priority to
real time voice traffic over lower priority data traffic, such as large downloads.
This document provides recommended configuration settings to ensure the
highest possible QoS on the AdTran NetVanta 3448 router. After configuring
your router for optimum QoS, select port and firewall settings for mobile and
softphone apps from the table here.
Test your connection capacity
The RingCentral Connection Capacity test will help determine the maximum
number of simultaneous RingCentral calls that can be supported on your
broadband connection. Run this test during normal business hours when the
connection is in use by other applications, including large file downloads.
The capacity test should be run using the maximum number of simultaneous
call connections needed, and should use the G.711 codec selection.
Specific requirements for QoS: Bandwidth 100Kbps up and down per call;
Latency (one-way) less than 150ms; Jitter not to exceed 100ms; Packet loss less
than 3%.
These requirements are the foundation for ensuring your local network can
support satisfactory VoIP. Failure to meet these requirements will result in
poor voice quality.
When the test completes, you will see the recommended number of
simultaneous calls your connection can support while maintaining good quality
voice calls.
.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Quality of Service
Test your connection quality
RingCentral provides a VoIP Quality test that will simulate VoIP calls
between your computer and RingCentral, and provide an estimate of the
voice quality you should expect when using our service. For the most
accurate results, run this test at least three different times throughout a
business day, and during peak usage times, while connected to the network
that you plan to use for RingCentral.
A two-minute test is typically sufficient, while longer tests are useful to find
intermittent problems or to simultaneously test VoIP performance along
with other traffic such as file transfers or remote access.
Select the maximum number of simultaneous users you expect to support,
and set the test duration between 1 and 5 minutes; 2 minutes is considered
sufficient in most instances.
Click jitter and packet loss on the RESULTS SUMMARY page to view the
overall quality of your expected VoIP connection.
MOS score (Mean Opinion Score) refers to a test that has been used for
decades in telephony networks to obtain the human user's view of the
quality of the network. The MOS is the arithmetic mean of all the individual
scores, and can range from 1 (worst) to 5 (best). An MOS score of 4 is good.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
Configure your router
AdTran NetVanta 3448 QoS configuration
To review the AdTran guide that covers configuring QoS in the AOS operating system click here.
1. Access the router on your LAN default gateway: 192.168.1.99. The default username is admin and the default password is password.
Then click OK.
Brand: AdTran
Model: NetVanta 3448
Hardware version: 1200821E1
Firmware version: AOS R12.3.1

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
2. After logging in, you will be at the System Summary page of the GUI.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
3. Check your Physical Interfaces to ensure they are up and running in full duplex mode. You can do this by clicking Physical Interfaces under
the System tab.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
4. Click the Data tab. Click QoS Wizard. Click Next at the bottom of the new window. NOTE: if you already have QoS rules configured, using the
QoS Wizard will delete and replace them with the new rules. If you have QoS rules already configured, you will have to manually configure the
new rules.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
5. The QoS Wizard will prompt you to define the WAN interface used to carry VoIP. Select the appropriate interface and click Next.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
6. Next, enter the Average bandwidth you would like to configure for the traffic shaper. If the connection speed is contracted at 10 Mbps,
assume 85% as "Average". Remember, this entry is in bits per second, so 8.5 Mbps equals 8912896 bps. Set Burst at 15% of 10 Mbps, which
equals 1572864 bps. Functionally, the router should never "Burst" beyond the contracted rate. Convert Mbps to bps carefully using a
calculator; several are available online. When done, click Next.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
7. Now the QoS Wizard will ask you to configure the VoIP Traffic Matching. Select the following methods of matching packets. Use the DSCP
option and set the first DSCP field to EF. Next, use the Precedence option and select “0”, “1”, and “2”. Finally, use the RTP option and use the
Start Port of 1000 and the End Port of 65535. Make sure you also enable the even and odd ports when using the RTP method. It is not
recommended to use the Source Address option. Finally, click Next.
Note: Select applicable TCP/UDP port ranges, as needed, for your mobile and softphone apps from this table.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
8. The QoS Wizard will now take you to the DSCP Outbound Marking section. Set the DSCP value to “26”. Then click Next.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
9. The QoS Wizard will now ask you to review and confirm your settings. If everything looks correct, click Finish.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
10. Next, go into QoS Maps and you will see the new QoS Map that was just created by the QoS Wizard. In this case, eth0/1 is the WAN
interface.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
11. Now scroll down to the QoS-policy assignment and statistics section and select your QoS map that was just created under the
Outbound QoS-Policy on your WAN interface. Then click Apply.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
12A. Now, if you click QoS Maps and select the QoS map that was created earlier, you can review your settings under the Packet Matching,
Packet Marking, and Queueing tabs in the following three screen shots.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
12B. QoS Maps –Packet Marking.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
12C. QoS Maps –Queueing.

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Recommended QoS Configuration | AdTran NetVanta 3448 | Configure your router
13. Click Physical Interfaces under the System tab and look at the QoS policy; note that it now has the Outbound QoS Policy Map.