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John - One other random thing that I came across at a school once -- we had
a switch that appeared to be fine, but dropped traffic under heavy load.
That was quite a surprise to me - I'd never heard of a switch doing that.

good luck,
steve

On Sun, Dec 2, 2018 at 10:19 AM John Peters <[log in to unmask]> wrote:

> Hi Steve,
>
>
>
> Thanks for the suggestion.  I have been working on doing that.
>
>
>
> John Peters
>
> Director of Technology
>
> North Country Supervisory Union
>
> 121 Duchess Ave Suite A
>
> Newport, VT 05855-5517
>
> [log in to unmask]
>
>
>
> *From: *School Information Technology Discussion <[log in to unmask]>
> on behalf of Steve Ligett <[log in to unmask]>
> *Reply-To: *School Information Technology Discussion <
> [log in to unmask]>
> *Date: *Friday, November 30, 2018 at 3:47 PM
> *To: *"[log in to unmask]" <[log in to unmask]>
> *Subject: *Re: Slow Internet issues
>
>
>
> John - If your Sonicwall can be a DNS server, that would be a good
> solution for the public network. Or perhaps add an ethernet interface on
> the public network to a local DNS server to keep that traffic off
> your internal network.
>
>
>
> steve
>
>
>
> On Thu, Nov 29, 2018 at 7:52 AM John Peters <[log in to unmask]>
> wrote:
>
> We have Consolidated as an ISP provider.  We have an EDIA circuit in a
> main hub  at NCUHS and then an ELAN in a spoke to each school.  We run
> wired, private WiFi and public WiFi VLANS.  We have been having devices
> connecting to public WiFi use public DNS servers when we distribute DHCP
> addresses.  For the past week we have had very poor service.  I have been
> investigating UDP and TCP floods.  I also removed all protections except
> Content Filtering from the Firewall, to no avail.  In addition, two of our
> schools were completely offline yesterday due to power outages.   I am
> going to be testing circuits with Consolidated later this morning.
>
>
>
> Does anyone have any suggestions or recommendations on where I should look?
>
>
>
> Thanks
>
>
>
> *John Peters*
>
> *Director of Technology*
>
> *North Country Supervisory Union*
>
> *121 Duchess Ave Suite A*
>
> *Newport, VT 05855*
>
> *(802)334-5847 ext 2018*
>
> *[log in to unmask] <[log in to unmask]>*
>
>
>
> *"One person can make a difference and everyone should try." ~ John
> F. Kennedy*
>
>
>
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