From fe01cb5b673caca1e5edda3fedae258558b713d1 Mon Sep 17 00:00:00 2001 From: lawrencegripper Date: Fri, 22 May 2026 15:36:34 +0100 Subject: [PATCH 1/2] docs: update static outbound IPs for HA with 3 IPs and migration - Update intro for multiple IPs with load balancing - Add HA migration section for legacy single-IP users - Update screenshots for new UI - Pluralise caveats for multiple IPs Co-Authored-By: Claude Opus 4.6 (1M context) --- .../docs/networking/static-outbound-ips.md | 30 ++++++++++++++----- 1 file changed, 22 insertions(+), 8 deletions(-) diff --git a/content/docs/networking/static-outbound-ips.md b/content/docs/networking/static-outbound-ips.md index d260d8922..4d3dced44 100644 --- a/content/docs/networking/static-outbound-ips.md +++ b/content/docs/networking/static-outbound-ips.md @@ -3,13 +3,15 @@ title: Static Outbound IPs description: Learn how to enable static outbound IPs on Railway. --- -Static Outbound IPs allows customers on the Pro plan to assign a permanent outbound IPv4 address to a service. This IP address will **always** be used for outbound traffic from any replicas running within the service. +Static Outbound IPs allows customers on the Pro plan to assign permanent outbound IPv4 addresses to a service. These IP addresses will **always** be used for outbound traffic from any replicas running within the service. + +Traffic will be balanced over multiple IPs for high throughput and resiliency. ## Use cases This feature may be useful to you if you're using a third-party service provider or firewall which requires you to whitelist which IP addresses your services will be connecting from, such as MongoDB Atlas. -The IPv4 address assigned to your service through this feature **cannot** be used to receive inbound traffic. +The IPv4 addresses assigned to your service through this feature **cannot** be used to receive inbound traffic. ## Enabling static outbound IPs @@ -17,17 +19,29 @@ Customers on the Pro plan can enable Static Outbound IPs for any service they wi 1. Navigate to the Settings tab of your desired service 2. Toggle `Enable Static IPs` in the Networking section of Settings -3. You will be presented with an IPv4 address which is tied to the region your service is deployed in +3. You will be presented with IPv4 addresses tied to the region your service is deployed in 4. The Static IP will be used by your service after the next deploy Static IPs + width={1528} height={1132} quality={80} /> + +## Update: HA Static Outbound IPs + +Previously a service would be assigned a single IP. For improved throughput and resiliency services will now be assigned 3 IPs with outbound traffic load balanced over them. + +If you have an existing single IP service, you can upgrade by clicking the `Enable HA Static IP` link under the `Enable Static IPs` toggle. Be aware that you will need to add the additional IPs to downstream services allowlists. + +Static IPs Upgrade ## Caveats -- There is no guarantee that the IPv4 address assigned to your service is dedicated. It may be shared with other customers. -- The IP address cannot be used for inbound traffic. -- If you wish to move your service to a different region, the IP address will change. +- There is no guarantee that the IPv4 addresses assigned to your service are dedicated. They may be shared with other customers. +- The IP addresses cannot be used for inbound traffic. +- If you wish to move your service to a different region, the IP addresses will change. From 777d7bde8ad0f98a787330968c1e7caf7c6c70df Mon Sep 17 00:00:00 2001 From: lawrencegripper Date: Fri, 22 May 2026 15:42:26 +0100 Subject: [PATCH 2/2] tweak wording --- content/docs/networking/static-outbound-ips.md | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/content/docs/networking/static-outbound-ips.md b/content/docs/networking/static-outbound-ips.md index 4d3dced44..1caf41025 100644 --- a/content/docs/networking/static-outbound-ips.md +++ b/content/docs/networking/static-outbound-ips.md @@ -20,7 +20,7 @@ Customers on the Pro plan can enable Static Outbound IPs for any service they wi 1. Navigate to the Settings tab of your desired service 2. Toggle `Enable Static IPs` in the Networking section of Settings 3. You will be presented with IPv4 addresses tied to the region your service is deployed in -4. The Static IP will be used by your service after the next deploy +4. The Static IPs will be used by your service after the next deploy Static IPs -## Update: HA Static Outbound IPs +## Upgrade to HA Static Outbound IPs -Previously a service would be assigned a single IP. For improved throughput and resiliency services will now be assigned 3 IPs with outbound traffic load balanced over them. +Previously a service would be assigned a single IP. For improved throughput and resiliency, services will now be assigned 3 IPs with outbound traffic load balanced over them. -If you have an existing single IP service, you can upgrade by clicking the `Enable HA Static IP` link under the `Enable Static IPs` toggle. Be aware that you will need to add the additional IPs to downstream services allowlists. +If you have an existing single IP service, you can upgrade by clicking the `Enable HA Static IP` link under the `Enable Static IPs` toggle. + +You be shown the new Static IPs which will be allocated to your service. Once you have updated your downstream allowlists, click `Deploy` to start using them.