Forum Discussion
Karthick1
Cirrus
Nov 13, 2025F5 XC HTTP 404 rout_not_found / rsp_code 404
I would like to add more point about the HTTP 404 error: route_not_found / rsp_code 404 in an XC (RE + CE) deployment. 1. Even if XC has the correct host match value in the route, you might st...
Nikoolayy1
MVP
Nov 13, 2025The XC CE does not resolve the host in the route match. Maybe you mean can't resolve the pool's origin server that route uses. If the pool under the route is FQDN and the CE or RE can't resolve it then you can get similar error or "cluster_not_found" in the logs.
For the second point yes this is why have a default pool under the HTTP LB or default route at the end with Prefix:/
Also for HTTPS you may get RST (I think on the RE) in some cases and the logs will show the clear error.
Help guide the future of your DevCentral Community!
What tools do you use to collaborate? (1min - anonymous)Recent Discussions
Related Content
DevCentral Quicklinks
* Getting Started on DevCentral
* Community Guidelines
* Community Terms of Use / EULA
* Community Ranking Explained
* Community Resources
* Contact the DevCentral Team
* Update MFA on account.f5.com
Discover DevCentral Connects