[j-nsp] MX304 reliability

[Aaron1]

I have a few 304’a doing a lot of ENNI/EVC/CBH/Carrier Ethernet.  Been solid.  I dug through email, and came across an initial issue with Juno’s upgrades, I recall related to these PR’s.

PR1792524
PR1721421

Aaron

> On May 4, 2026, at 1:15 PM, Andrey Kostin via juniper-nsp <juniper-nsp at puck.nether.net> wrote:
> 
> Hello, juniper-nsp readers.
> 
> From the article https://www.juniper.net/documentation/us/en/software/junos26.1/chassis/topics/topic-map/chassis-guide-tm-fabric-plane-mngmnt.html :
> Limitations
> 
> • MX304 routers have only one built-in SFB and one FPC. Hence there is no fabric redundancy support.
> 
> Does anybody encountered MX304 HW failures that required a chassis replacement and how real is the risk of such a failure?
> 
> Kind regards,
> Andrey
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/juniper-nsp