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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* > > > > ----------------------------------------------------------------------- > > Search <http://list.uvm.edu/archives/school-it.html> the SCHOOL-IT Archive > > Manage <http://list.uvm.edu/cgi-bin/wa?SUBED1=SCHOOL-IT&A=1> your > Subscription to SCHOOL-IT > > ----------------------------------------------------------------------- > > Search <http://list.uvm.edu/archives/school-it.html>the SCHOOL-IT Archive > > Manage <http://list.uvm.edu/cgi-bin/wa?SUBED1=SCHOOL-IT&A=1> your > Subscription to SCHOOL-IT > > ----------------------------------------------------------------------- > > Search <http://list.uvm.edu/archives/school-it.html> the SCHOOL-IT Archive > > Manage <http://list.uvm.edu/cgi-bin/wa?SUBED1=SCHOOL-IT&A=1> your > Subscription to SCHOOL-IT >