[c-nsp] ASR920 is a ticking timebomb (CSCvk35460)

Mark Tinka mark.tinka at seacom.mu
Sun Jan 27 00:58:17 EST 2019



On 26/Jan/19 17:15, James Jun wrote:

> One of the other reasons we're looking to phase out ASR920s over time is the small
> buffers.
>
> We also had an issue when oversubsribing shared on-chip buffers on the box (by using child 
> policy-map to assign 100% queue on all ports), where sometimes, probably when buffers
> are exhausted, it freezes packet transmission on ports after a while, thus causing an
> outage.  We ended up removing that policy-map and are now only allocating 512KiB queue-limit
> per 1G port to prevent exhaustion.

But what would you replace it with? What else is out there?


> I suppose MX104 with decent discount may be an option, but control-plane is an issue.

Juniper have binned that box.

Mark.


More information about the cisco-nsp mailing list