ca api gateway cannot send files 2gb or greater through the gateway

Products

• CA API Gateway

Issue/Introduction

When transferring a file greater then 2gb it doesnt seem to work.

What is the best way to transfer a large files.

 

Environment

CA API Gateway: 11.x

Resolution

a) Ensure listen port was set to no maximum size restriction set.

https://techdocs.broadcom.com/us/en/ca-enterprise-software/layer7-api-management/api-gateway/11-1/security-configuration-in-policy-manager/tasks-menu-security-options/manage-listen-ports/listen-port-properties.html

b) Ensure there were no references (audits including add audit messages to policy) that were referencing request or request.mainpart

c) Ensure streaming assertion did not have buffering just streaming.

https://techdocs.broadcom.com/us/en/ca-enterprise-software/layer7-api-management/api-gateway/11-1/policy-assertions/assertion-palette/message-routing-assertions/configure-message-streaming-assertion.html

d) Ensure no limit message size assertion exists.

e) ensure cluster wide properties io.xmlmaxpartbytes=0

https://techdocs.broadcom.com/us/en/ca-enterprise-software/layer7-api-management/api-gateway/11-1/reference/troubleshoot-the-gateway/optimize-gateway-for-large-file-uploads.html

f) ensure route was using default request.

https://techdocs.broadcom.com/us/en/ca-enterprise-software/layer7-api-management/api-gateway/11-1/policy-assertions/assertion-palette/message-routing-assertions/route-via-http-s-assertion.html

Select target message should be default (request).