Per IP traffic shaping–share bandwith evenly between IP addresses??

bfts · Mar 28, 2014, 4:51 PM

I have implemented exactly what your talking about by using two parent limiters (up and down) and creating three child queues under each (the child queues are for each of my three lan subnets. The upload child queues have a 'source address' mask set and the download queues have the 'destination address' mask set.) I set the default pass rules for said subnets to use their appropriate child queues.

I'd love to know how you figured it out with the 3 subnets as I need to accommodate 3 LANs too.

I'd like to evenly share between the 3 subnets and what gets to subnet X share that evenly between the 80+ users of that subnet.

EDIT:I set this up for one of my LANs as described by foxale08 but I'm quite sure this limits the whole traffic to the values set in the limiter on a global level, not on a per user base ???

Sifter · Apr 4, 2014, 3:06 PM

Since the default LAN rule is used to apply this speed limit, what happens if I want full speed to a transfer on my NAS between two computers on my LAN? Is the speed limit also imposed on that transfer? In that scenario, Id want full gigabit speed of the switch, not the imposed 20000 kbits.

bfts · Apr 12, 2014, 8:02 PM

Is this still working under 2.1.2? (or 2.1.1 for that matter)
For me it seems not to work properly anymore or maybe it is because I'm in a MultiWAN environment?
I have the limiter set for all my MultiWAN failover rules…

My limiter is set to 6 Mbit/s, though the traffic graph shows some constant 10 Mbps throughput.

Any Idea what I'm doing wrong?

orangetek · Apr 14, 2014, 1:50 AM

I just tried this on a single lan/wan 2.1.2 fresh install and it is flawless. It splits the bandwidth perfectly.

wcrowder · Apr 15, 2014, 9:54 PM

@foxale08:

I have attempted to document the process for a simple single lan single wan setup in screenshots. Click apply settings when presented with the option to do so. See if this does what you want.

Awesome! Seems to work well. Thanks very much.

Ashfaq · Apr 25, 2014, 5:00 PM

So its all good that total bandwidth is divided b/w the active users equally. now what if i want to go a step further and want to have a MINIMUM bandwidth for a specific IP or for a group-of-IPs-together and then divided the rest of the remaining bandwidth b/w the other active users: e.g:

total download is 4Mbps
total connected users 6
2 users are idle and the remaining 4 are downloading at full capacity so 4Mbps/4 users, each one gets 1Mbps
now the 2 idle also starts to download at full capacity so now 4Mbps/6 users, each one gets 682Kbps
now if i want 1 of the users to have minimum 1Mbps and the rest of the 5 gets equal share in remaining 3Mbps, so each of the 5 gets 614Kbps

is it possible ???

as far as i know limiters are used to upper bound, while queues are used for lower bound (min guaranteed), can we somehow use queues in combination with limiters to achieve that.

Update:
found this link https://doc.pfsense.org/index.php/Traffic_Shaping_Guide#Using_Limiters_for_Bandwidth_Guarantees
but i dont think this serves the purpose and this will probably not allow to use the entire bandwidth that is available to the guaranteed device. i think the guaranteed limit will be the upper limit for the devices.

Thanks
Ashfaq

sideout · Apr 28, 2014, 3:33 PM

I just tested Foxale's setup and it worked for me.

I made a rule on the LAN side before the any any allow all rule that said:

IF Protocol = TCP , Source = LAN , Destination = NOT LAN then Upload_LAN for out and Download_LAN for in.

I had 2 steam clients downloading and both would be balancing out. The first one always seemed to get a bit more bandwidth but it would keep them decently even.

Going to test this out this weekend at a 125person LAN party.

orangetek · May 1, 2014, 8:01 PM

I have taken this a bit further and implemented QOS using just limiters while retaining the equal bandwidth sharing. Not 100% sure it works properly but seems to be. I have ACK, DNS, ICMP, HTTP/S, and OTHER in 3 priority groups, High,Mid,Low with weights set on each child limiter. I tested it by setting upload and download speeds on the parent limiters to 1/4 of my upload/download speed. I then proceeded to max both of them out while pinging an address on the internet. The pings remained steady like i wasn't even using any bandwidth. :)

jly2680 · May 4, 2014, 3:39 PM

@orangetek:

I have taken this a bit further and implemented QOS using just limiters while retaining the equal bandwidth sharing. Not 100% sure it works properly but seems to be. I have ACK, DNS, ICMP, HTTP/S, and OTHER in 3 priority groups, High,Mid,Low with weights set on each child limiter. I tested it by setting upload and download speeds on the parent limiters to 1/4 of my upload/download speed. I then proceeded to max both of them out while pinging an address on the internet. The pings remained steady like i wasn't even using any bandwidth. :)

i want to try this on my pf box..would you mine if you can share your setting wiht us?TIA

sideout · May 5, 2014, 12:20 PM

So I used Fox's limiter config this weekend at my LAN party and it worked out great. I could see on the traffic graph where Pfsense was balancing out each connection bandwidth wise. It did seem that the first 3 or 4 would always get a little more but it worked out fine.

We had 125 people on 2 50MB cable modems. I set the limiter at 35Mbit for the first 4 hours of the event then dropped it down to 20Mbit during the main gaming hours then bumped up to 35Mbit again during the nite and back down to 20Mbit the next day.

We passed a little over 327GB of data this weekend , had no real issues and even kept the League of Legends players happy with sub 120MS ping times.

waldopulanco · May 5, 2014, 12:38 PM

Thanks! hope it will work to pfsense 2.1.2, I try it later. how about in squid proxy no limit for bandwidth?

Ashfaq · May 6, 2014, 11:39 AM

Hi,
On my test the limiter and queue method did not make any difference.
i configured one queue for each LAN and assigned the default rule in LAN with the limiter queues.
i had two devies 1 laptop on torrent download and 1 android phone on download, both on the same LAN.
the laptop got almost all the data, all the time !.
i could see both devices/IPs on the limiter info screen in the same configured queue. I am running pfSense ver 2.0.2.

what could i be doing wrong?

Regards
Ashfaq

sideout · May 6, 2014, 1:29 PM

One thing I did was create a new rule above the ANY / ANY rule on the LAN rule page for assigning this limiter. Basically this rule says:

Protocol - IPv4 / TCP
Source - LANLIMIT - I use an alias here that defines my DHCP pool that I assign out.
Ports - I set to any on both source and destination
Destination - NOT LAN Subnet - anything but other LAN clients
Gateway - FWGATEWAY - I have 2 WAN's that round robin load balance so I use that , you can leave at default.
IN/OUT - Upload_LAN / Download_LAN - these are the queues with destination address set under the traffic shaper.

Put this rule above the any / any rule.
I have a floating rule that sends HTTP / HTTPS traffic to my qACK / qHTTPSTEAM queue that I have defined in my shaper. I used quick match on this rule and all my shaper rules.

Here is how I have the limter set as well . See the pics below.

I did not test with a bittorrent client , I tested using Steam to download. I know it was working for me as during the LAN I could see IP's getting allocated bandwidth on the Traffic Graph for the LAN side and I went around to some of those PC's and was able to see them downloading on Steam and that it as matching what I was seeing on PFSense.

Ashfaq · May 7, 2014, 10:32 AM

Thanks Sideout for the tips, I tried both ways using the default LAN rule and also the tip you gave me i.e. a new rule above the default LAN rule with the limiters applied. no change in results, however i noticed that if both clients are laptops on torrents (i.e. equal load) then it does some bandwidth balancing.

attached are the screenshots of my configuration, the graphs and the limiter info.

sideout · May 7, 2014, 12:14 PM

Did you try setting it to IPv4 and TCP for the protocol? Do you have any floating rules for http as well? Like I said I did not test with torrents so they might be doing something the limiter is not catching. Perhaps running a packet trace with wireshark on your PC while running it will help you out?

Ashfaq · May 8, 2014, 6:57 AM

Hi,
initially i did not but even after applying TCP in the rule the results are same.
to do a clean restart i removed all limiters and rules and then recreated a simple 1Mbps download limiter for a particular IP, make the rule, and run torrent, to my surprise the IP was getting the entire 4Mbps bandwidth and in limiter info screen i could see that the IP was correctly assigned to the 1Mbps limiter queue.

why possibly could pfSense is not applying the limits to that IP ??

sideout · May 8, 2014, 11:33 AM

Like I stated earlier , it could be the way the torrent software is downloading it. You might have to look at a layer7 or some other way to restrict it. You can check the forums here and see that people have posts inregards to restricting torrents.

All I can tell you is that fox' setup worked for me in my application of strictly TCP stream downloads and with my other traffic shaping that I had setup. YMMV.

Ashfaq · May 9, 2014, 12:11 PM

Thanks sideout for all the help,
its working now, i upgraded to the latest pfsense version and exactly the same limiters and rules are working as expected with the 2.1.3 version. previously i had 2.0.2 version.

Thanks again
Regards
Ashfaq

sideout · May 9, 2014, 1:38 PM

Awesome!!

Ashfaq · May 15, 2014, 1:32 PM

This is just to update on my last message:

After another try with a clean 2.0.2 install the same rules & limits started working.
i even tried limiters with captive portal (which creates its own limiter per IP) and it works properly as expected, i.e. it applies both limiters at the same time and user is capped with the least one.