Storm Control Settings

keefe007
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Storm Control Settings

Fri Oct 28, 2016 2:45 am

What are the recommended storm control settings in terms of PPS?

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sirhc
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Re: Storm Control Settings

Fri Oct 28, 2016 8:01 am

That is an open ended question and based on your network.

For instance I have a completely routed network and never leave customers have layer 2 access to my network so I have it disabled.

If you have a small or large flat segment will make a difference to the values you use.

I would Google each type of traffic and learn what they all do and how much traffic of each type would be normal for your network based on your normal traffic levels then add maybe 50^ or even double the value.

But that would be me, everyone runs their networks differently and has a different topology so this is not easily answered as a one size fits all.
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keefe007
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Re: Storm Control Settings

Fri Oct 28, 2016 10:53 am

Does storm control look inside VLANs?

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Eric Stern
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Re: Storm Control Settings

Fri Oct 28, 2016 1:32 pm

Storm control is based on the number of packets on a physical interface and so is not affected by VLANs.

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mhoppes
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Re: Storm Control Settings

Sat Oct 29, 2016 7:57 am

It is by port though - not total on switch correct?

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Eric Stern
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Re: Storm Control Settings

Sat Oct 29, 2016 1:07 pm

Its actually total on the switch.

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mhoppes
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Re: Storm Control Settings

Sat Oct 29, 2016 1:10 pm

So how long does it block for? Or just until that limit reduces?

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mhoppes
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Re: Storm Control Settings

Sat Oct 29, 2016 1:10 pm

Is there a way on the switch to see the current number of unicast broadcast etc packets going through?

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sirhc
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Re: Storm Control Settings

Sat Oct 29, 2016 1:52 pm

mhoppes wrote:So how long does it block for? Or just until that limit reduces?


It indiscriminately drops any packets over the specified storm limit.
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sirhc
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Re: Storm Control Settings

Sat Oct 29, 2016 1:52 pm

mhoppes wrote:Is there a way on the switch to see the current number of unicast broadcast etc packets going through?


That would be a nice feature if Eric could do it.
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