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Copy file name to clipboardExpand all lines: src/content/docs/magic-transit/get-started.mdx
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@@ -43,7 +43,7 @@ The LOA must be a PDF. Transit providers may reject the LOA if it is a JPG or PN
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### Verify IRR entries
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Verify your Internet Routing Registry (IRR) entries match corresponding origin autonomous system numbers (ASNs) to ensure Magic Transit routes traffic to the correct autonomous systems (AS). For guidance, refer to [Verify IRR entries](/byoip/concepts/irr-entries/best-practices/#verify-an-irr-entry).
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Verify that your Internet Routing Registry (IRR) entries match your corresponding origin autonomous system numbers (ASNs) to ensure Magic Transit routes traffic to the correct autonomous systems (AS). For guidance, refer to [Verify IRR entries](/byoip/concepts/irr-entries/best-practices/#verify-an-irr-entry).
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If you are using a Cloudflare IP, you do not need to verify your IRR entries.
Copy file name to clipboardExpand all lines: src/content/docs/magic-transit/how-to/advertise-prefixes.mdx
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## Advertise your prefix
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You can only advertise your prefix after running pre-flight checks with Cloudflare. If your prefix status is greyed out and shows an _Withdrawn_ status, it means your prefix is locked. Contact your account team to unlock it and close the pre-flight checks phase with you.
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:::note
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You can only advertise your prefix [after running pre-flight checks](/magic-transit/get-started/#5-run-pre-flight-checks) with Cloudflare. If your prefix status is greyed out and shows an _Withdrawn_ status, your prefix is locked. Contact your account team to close the pre-flight checks phase with you and unlock it.
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:::
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1. Log in to the [Cloudflare dashboard](https://dash.cloudflare.com/login), and select your account.
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2. Go to **Magic Transit** > **Configuration**.
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3. From the **IP Prefixes** tab select your prefix > **Edit**.
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4. Under Status, select _Advertise_ to advertise your prefix.
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5. Select **Edit Prefix**.
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5. Select **Edit Prefix** to save your changes.
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## Edit the status of a prefix
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3._(Optional)_ Edit the description for your prefix.
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4. Select **Edit IP Prefix** to save your changes.
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:::note[Note:]
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To avoid latency and potentially dropped routes, enable prefix advertisement from Cloudflare before withdrawing the advertisement from your data center.
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You should also be aware that announcing or withdrawing a prefix should propagate across Cloudflare's global network almost instantly, with changes typically taking effect within a few minutes at most. However, Cloudflare has no control over how long ISPs take to refresh their routes. Keep this in mind when announcing or withdrawing a prefix from your account, and plan accordingly.
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## Delete a prefix
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1. From the **IP Prefixes** tab, locate the prefix you want to modify and select **Delete**.
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2. Confirm your choice from the modal by selecting **Delete**.
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:::note
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Withdrawing a prefix should propagate across Cloudflare's global network almost instantly, with changes typically taking effect within a few minutes at most. However, Cloudflare has no control over how long ISPs take to refresh their routes. Keep this in mind when announcing or withdrawing a prefix from your account, and plan accordingly.
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## Border Gateway Protocol (BGP) control for advertisements
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Use BGP to control the advertisement status of your prefix - advertised or withdrawn - from Cloudflare's global network for on-demand deployment scenarios. BGP Control works by establishing BGP sessions to Cloudflare's globally distributed Route Reflectors, which will initiate propagation of your prefix advertisement across Cloudflare's global network.
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