[c-nsp] storm-control errdisable with no traffic or vlan

Paul paul at gtcomm.net
Fri Aug 5 22:26:45 EDT 2022

Storm control pps is bugged on the 10g ports on the older 4900 
platforms, 4948E , 4900M, sup6 platforms.

Use storm control percentage based on the 10g ports instead of PPS and 
the problem won't happen.

On 8/3/2022 7:05 PM, Joe Maimon via cisco-nsp wrote:
> I have a vendor trying to turn up a 10gb link from their juniper mx to 
> a cisco 4900M, using typical X2 LR.
> The link was being upgraded from a functioning 1gb. Same traffic.
> Even with switchport mode trunk and switchport allowed vlan none, with 
> input counters in single digits, storm control immediately takes the 
> port down after link up. There was negligible traffic on the link 
> before or after the attempt.
> Vendor's best idea is to turn off storm control, which I am only going 
> to do with an isolated switch on site, anyone seen anything like this 
> or have any other ideas?
> Joe
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