We have standardized on 6.48.6 for the mikrotik routers. I will see if I can get that ping test from a wifi client and will report back to you if I can. 2.4 ghz 20 mhz reduce power by -3dB auto channel(only allow 1,6,11) 5ghz 40mhz auto cell size auto channel and allow dfs On Thu, Oct 27, 2022 at 12:16 PM Dave Taht wrote: > On Thu, Oct 27, 2022 at 8:52 AM Zach Underwood via LibreQoS > wrote: > > > > Dave recommended that I introduce myself to the list. > > Very nice to have you join us. There's been a lot of good traffic this > month in the archives. Feel free to weigh in on any subject!!! > > > I am a wifi engineer at Whitesky which is owned by Realpage(yeah I know > about the lawsuit, that is not my group). We provide wifi and wired > internet services at multiple family housing units. We have 600 sites in > the USA and service 135k units. With about 60% being student housing and > avg install 1200 APs a week. We range from a 20 unit complex to 5000 unit > housing like Harvard graduate housing. Our standard deployment is an > example of a 200 unit complex. We will order and install a 10gb wave or EPL > from say level3, atnt, uniti or another fiber company between the site and > one of our 13 datacenters. In the datacenter we have IX connections, > private peering and transit connections. The fiber will connected to a > mikrotik crs317_1g_16s_rm to be used as a wan switch. Next we have a pair > of ccr2004_1g_12s_2xs. > > What version of routerOS? I'm always at pains to say fq_codel was > designed to run at line rate (cheaply), NOT shaped... and that the fq > helps smooth out microbursts, and the aqm is way better than a drop > tail queue, and am very enthused about the routeros 7.2 and later > availability of it, but still struggle to convince people to > "just turn it on" as we did in openwrt, linux, ios, etc so long ago. > > > Half of the site vlans are on one router and the other half on the other > router. All vlans on each router we NAT(for v4) to a single public ip(so > two public ip per site). We also dual stack for v6 and offer dhcpv6-pd on > the wired network. After the routers they connect to the nexus 3k core > switch and then 10gb links to 3750x that power APs in unit and service > wired drops. We do not rate limit or do any type of shaping. > > This is one of those things that then, gets done naturally, at the > bottleneck point, which is most likely > the wifi, but might, in a complex campus, be at the up or downlinks. I > was deeply impressed by the ruckus spec > ( > https://www.digitalairwireless.com/articles/blog/ruckus-networks-delivers-their-first-802-11ax-product-and-it-is-a-beast)- > which transliterated reads almost like a direct implementation of the > stuff we described to them circa 2019? (2020?), in what I thought > (then) was a disastrous meeting with their (now ex) CEO. (I refer to > this story here: ) > > I'm dying to know what they actually implemented, notably if ECN is > present or not. a packet capture of a ping -f -Q 1 -s 1440 from client > to some other point ought (on a packet capture of the other point) > show the CE bits set if they actually directly implemented the stuff > from https://www.cs.kau.se/tohojo/airtime-fairness/ e.g. in wireshark: > > ipv6.tclass.ecn == 3 > > or > > ip.dsfield.ecn == 3 > > There's been a lot of research as to how much dscp or ecn "washing" > actually existed across the internet. Most of it seemed to be coming > from older, bigger ISPs. > > testing udp or tcp diffserv and ecn compliance e2e is also possible > with the flent tool. Are the ecn bits preserved? (-Q 1 or -Q 2) > > I use irtt as a means to sweep the diffserv bits. > > >At all of our site we are doing a min of 1 ap in each unit. Some of our > sites have paid extra and will get two ruckus r650 in say a 2 bedroom 2 > story townhouse. > > It is in general, my hope, more folk in dense deployments are using > narrower channels. > > > > > -- > > Zach Underwood (RHCE,RHCSA,RHCT,UACA) > > My website > > advance-networking.com > > _______________________________________________ > > LibreQoS mailing list > > LibreQoS@lists.bufferbloat.net > > https://lists.bufferbloat.net/listinfo/libreqos > > > > -- > This song goes out to all the folk that thought Stadia would work: > > https://www.linkedin.com/posts/dtaht_the-mushroom-song-activity-6981366665607352320-FXtz > Dave Täht CEO, TekLibre, LLC > -- Zach Underwood (RHCE,RHCSA,RHCT,UACA) My website advance-networking.com