SPA vs EPA

[Questions]

What is the difference between the modules in the ARS 1000 series?
EPA, like existing Built-In ports, L3, IPsec ...Is more function available?

[marce1000]

 Ref : https://www.cisco.com/c/en/us/products/collateral/application-networking-services/wide-area-application-services-waas-software/data-sheet-c78-729778.html

 >...

Table 1.           SPA and EPA compatibility on Cisco ASR 1000 Series line cards

Feature	Cisco ASR 1000 Series SPA Interface Processors	Cisco ASR 1000 Series Fixed Ethernet Line Cards	Cisco ASR 1000 Series Modular Interface Processor
Shared Port Adapters (SPAs)	Yes	No	No
Ethernet Port Adapters (EPAs)	No	No	Yes