Can diameter be executed on non-standard port i.e. 3868. If yes then how the DPI at various places in the network takes place. Do we have a special DSCP marking of the packet for the same or any other mechanism.
Why Diameter server(AAA) is needed for authentication - authorizaion messages AAR , AAA, ACR, ACA messages in order to authenticate if authentication/security is done at MME/eNB/HSS while attach.? Could you please explain in detail?
I want to know in which scenario or which diameter messages can set the Error bit ('E') bit in request/response messages.
Also, How 'E' bit is set with Transient failures, Permanent failures and Protocol Errors.
Thanks in advance.