bcookatpcsd
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5548 Storm Control

I took a brand new Netgear unmanaged GB switch plugged it into the port and waited for it stp to put it in forwarding mode.. 

May 10 13:27:51 172.16.0.40 1 2017-05-10T12:27:50.2-05:00 172.16.0.40 STP - PORTSTATUS - Hostname: <hs5548-40-techstk>,gi1/0/22: STP status Forwarding

Then plugged the Netgear into itself.. 

hs5548-40-tech# show storm-control gigabitethernet 1/0/22
Port State Admin Rate Oper Rate [Kbits/Sec] Included
-------- -------- ---------- --------------------- ------------------
gi1/0/22 Enabled 3500 3500 BC, MC, Unknown UC

hs5548-40-tech# show interfaces counters gigabitethernet 1/0/22

Port InUcastPkts InMcastPkts InBcastPkts InOctets
---------------- ------------ ------------ ------------ ------------
gi1/0/22 52 72699 94547 32276409

Port OutUcastPkts OutMcastPkts OutBcastPkts OutOctets
---------------- ------------ ------------ ------------ ------------
gi1/0/22 591 1820 4571 1014837

Alignment Errors: 0
FCS Errors: 0
Single Collision Frames: 0
Multiple Collision Frames: 0
SQE Test Errors: 0
Deferred Transmissions: 0
Late Collisions: 0
Excessive Collisions: 0
Carrier Sense Errors: 0
Oversize Packets: 0
Internal MAC Rx Errors: 0
Symbol Errors: 0
Received Pause Frames: 0
Transmitted Pause Frames: 0

hs5548-40-tech# sh running-config interface gigabitethernet1/0/22
interface gigabitethernet1/0/22
flowcontrol off
description "Storm Control Testing - 3810"
storm-control broadcast enable
storm-control broadcast level kbps 3500
storm-control include-multicast unknown-unicast
spanning-tree portfast auto
switchport access vlan 69
!

Smiley Happy 

Now what? How to err-disable? How to log or show anything? 

hs5548-40-tech# show cpu utilization
CPU utilization service is on.

CPU utilization
---------------
five seconds: 70%; one minute: 42%; five minutes: 20%

If I do that to two ports, I'll kill the switch for sure.. 

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1 Reply
Moderator
Moderator

RE: 5548 Storm Control

Hi,

It looks like you have it configured correctly. What firmware is the switch at? If you don’t have it enabled is there a performance difference?

Thanks,
Josh Craig
Dell EMC Enterprise Support Services
Get support on Twitter @DellCaresPRO
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