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Description:

This article will outline how to do the following:

  • Setup traffic shaping on a Meraki Switch to assist with bandwidth management for VoIP

Methods:

  1. Login to the Meraki Portal.
  2. From the menu on the right, select Security Appliance, and then Traffic Shaping.
  3. Setup your max upstream/downstream bandwidth using the 95/5 rule.
    • Take the advertised speed and set 95% as the max available bandwidth. Since the upstream bandwidth is not always consistent and can differ (usually around 5%), this should set a safe limit. If you wish to be more conservative, set it to 90%.
  4. At the bottom of the page, Click on Add a new shaping rule.

  5. Now click, Add+ to add definitions which include the all of IP addresses listed below and the type of service, SIP (Voice).

    • 52.11.88.63
    • 52.27.186.140
    • 54.86.30.113

    • 54.144.238.86

    • 54.148.70.218

    • 54.148.57.6

    • 54.149.90.30

    • 3.13.153.32

    • 3.13.149.205

    • 3.19.84.238

    • 3.86.0.189

    • 3.130.148.40

    • 18.215.197.50

    • 34.202.125.217
    • SIP (Voice)
  6. Set the Priority to High.
  7. Ensure that DSCP tagging is set to "Do not change DSCP key".
  8. Click Save Changes.
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