Cisco Meraki Firewall Rules
Article 000001873 · Updated Oct 2, 2025 · 5,783 views
This article is specific to the Cisco Meraki equipment, for more general networking information see our Networking Guidelines.
Setting up Access Rules
- Log into the dashboard at https://account.meraki.com/login/dashboard_login?go=
- Click Configure on the left side of the screen.
- Click Firewall on the left side of the screen.
- Enter the access rules as shown below.
NOTE: In the image below, the access rules do not include 208.89.108.0/22, but need to. The image below was taken before the 208.89.108.0/22 range of IP addresses was purchased by Nextiva. When setting up access rules in a Cisco Meraki, remember to add 208.89.108.0/22 as well as 208.73.144.0/21.
- Save the changes.
DNS Server Configuration
Nextiva suggests using Google DNS servers for your router or firewall; however, if you have different DNS servers that are used, you are welcome to use them instead. The steps below outline how to configure the Meraki firewall for Google's DNS servers.
- Log into the dashboard at https://account.meraki.com/login/dashboard_login?go=
- Locate the DHCP option, usually under Security Applicance.
- Click the drop-down menu and select Use Google Public DNS next to DNS nameservers.
Traffic Shaping (QoS) Rules
- Log into the dashboard at https://account.meraki.com/login/dashboard_login?go=
- Locate Traffic Shaping, usually located under Security Appliance.
- Under Traffic Shaping Rules select Create a new rule.
- Select Add+
- Select Custom Expressions and enter the following required information:
- Custom Expressions: 208.73.144.0/21
- Custom Expressions: 208.73.144.0/21
- Select Add expression.
- Enter the following information:
- Custom Expressions: 208.89.108.0/22
- Custom Expressions: 208.89.108.0/22
- Select Add expression.
- Click out of the window and select the following information:
- Enable SpeedBurst: Disabled/Unchecked
- Bandwidth Limit: Ignore network per-client limit (unlimited)
- Priority: High
- DSCP tagging: 46 (EF – Expedited Forwarding, Voice)
- Enable SpeedBurst: Disabled/Unchecked
- Verify the rules are entered correctly and select Save Changes.
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