Juniper - Ren 2 Link

Even though it's an internal link, Junos exposes it as a network interface:

Since "REN 2" is not a standard Juniper product code (common ones are RE for Routing Engine, REN for a custom internal fabric, or a typo for RE-N ), this post covers the most likely technical interpretations: or Route Engine Nexus . I have written it to be practical for network engineers. juniper ren 2 link