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Configure static routes

Magic WAN uses a static configuration to route your traffic through Generic Routing Encapsulation (GRE) tunnels from Cloudflare’s edge to your locations.

You must assign a route priority to each Anycast GRE or IPsec tunnel–subnet pair in your GRE configuration, as follows:

  • Lower values have greater priority.
  • When the priority values for prefix entries match — as illustrated by the 103.21.244.0/24 subnet in the example routing configuration (in bold) — Cloudflare uses equal-cost multi-path (ECMP) packet forwarding to route traffic.

For more on how Cloudflare uses ECMP packet forwarding, see Traffic steering .

For an example edge routing configuration, refer to the example below.

Edge routing configuration example
Anycast GRE or IPsec tunnel Subnet Priority
GRE_1_IAD 103.21.244.0/24 100
GRE_2_IAD 103.21.244.0/24 100
GRE_3_ATL 103.21.244.0/24 100
GRE_4_ATL 103.21.244.0/24 100
GRE_1_IAD 103.21.245.0/24 200
GRE_2_IAD 103.21.245.0/24 200
GRE_3_ATL 103.21.245.0/24 100
GRE_4_ATL 103.21.245.0/24 100

Create a static route

  1. Log in to your Cloudflare dashboard and select Magic WAN.
  2. Next to Manage Magic WAN configuration, click Configure.
  1. Click the Static Routes tab and click Create to add a new route.
  2. Enter the information for your route.
  3. (Optional) We highly recommend testing your route before adding it by clicking Test routes.
  4. If your test was successful, click Add routes when you are done.

Edit a static route

  1. After navigating to the Edit static routes page, click Edit next to the route you want to modify.
  2. (Optional) We highly recommend testing your route before adding it by clicking Test routes.
  3. Enter the updated route information and click Edit routes when you are done.

Delete static route

  1. From Static Routes, locate the static route you want to modify and click Delete.
  2. Confirm the action by selecting the checkbox and clicking Delete.