Re: Problem to priorize SSH traffic

[Ludovic Leroy <ludleroy59@xxxxxxx>]

Thanks for replying.
The script is attached. Hope this helps.

Ludovic

Le 16/12/2016 21:34, Alan Goodman a écrit :
> It might help if you provide the script you are using to build your tc 
> queues...  I find this more readable than the output from the tc stats.
>
> Alan
>
>
> On 16/12/16 16:50, Ludovic Leroy wrote:
> > Hello LARTC community,
> >
> > I am building a TC policy at home that answers my needs for a small 
> > DSL uplink 800kbit:
> > * High UDP responsiveness for DNS queries and ping (Leaf 1:10 prio 1)
> > * SSH traffic gets higher priority. I view my camera remotely via ssh 
> > tunnel (Leaf 1:20 prio 2)
> > * Guarantied http(s)/IMAP (Leaf 1:30 prio 3)
> > * Torrent seeding (Leaf 1:40 prio 4)
> > * Default (Leaf 1:99 prio 5)
> > * Gigabit local network (Leaf 1:1000 prio 1000)
> >
> > The problem is torrent traffic consumes all the bandwidth leaving 
> > little room for SSH traffic (<100kbit). See attached picture.
> > SSH traffic class with higher priority than torrent class should be 
> > offered excess bandwidth first, but that is not the case.
> > The only solution I found is to reduce the torrent ceil value.
> > Could you help me?
> >
> > Regards,
> >    Ludovic L.
> >
> > # tc -d class show dev eth1
> > class htb 1:99 parent 1:1 leaf 199: prio 5 quantum 1650 rate 66Kbit 
> > ceil 800Kbit linklayer ethernet burst 16Kb/1 mpu 0b overhead 0b 
> > cburst 1599b/1 mpu 0b overhead 0b level 0
> > class htb 1:10 parent 1:1 leaf 110: prio 1 quantum 1650 rate 66Kbit 
> > ceil 200Kbit linklayer ethernet burst 16Kb/1 mpu 0b overhead 0b 
> > cburst 1599b/1 mpu 0b overhead 0b level 0
> > class htb 1:1000 root prio 0 quantum 200000 rate 100Mbit ceil 100Mbit 
> > linklayer ethernet burst 1600b/1 mpu 0b overhead 0b cburst 1600b/1 
> > mpu 0b overhead 0b level 0
> > class htb 1:1 root rate 800Kbit ceil 800Kbit linklayer ethernet burst 
> > 16Kb/1 mpu 0b overhead 0b cburst 1599b/1 mpu 0b overhead 0b level 7
> > class htb 1:20 parent 1:1 leaf 120: prio 2 quantum 9900 rate 396Kbit 
> > ceil 800Kbit linklayer ethernet burst 16Kb/1 mpu 0b overhead 0b 
> > cburst 1599b/1 mpu 0b overhead 0b level 0
> > class htb 1:30 parent 1:1 leaf 130: prio 3 quantum 4950 rate 198Kbit 
> > ceil 800Kbit linklayer ethernet burst 16Kb/1 mpu 0b overhead 0b 
> > cburst 1599b/1 mpu 0b overhead 0b level 0
> > class htb 1:40 parent 1:1 leaf 140: prio 4 quantum 1650 rate 66Kbit 
> > ceil 800Kbit linklayer ethernet burst 16Kb/1 mpu 0b overhead 0b 
> > cburst 1599b/1 mpu 0b overhead 0b level 0
> > class sfq 140:22 parent 140:
> > class sfq 140:34 parent 140:
> > class sfq 140:3b parent 140:
> > class sfq 140:6c parent 140:
> > class sfq 140:a9 parent 140:
> > class sfq 140:149 parent 140:
> > class sfq 140:287 parent 140:
> > class sfq 140:2fd parent 140:
> > class sfq 140:318 parent 140:
> > class sfq 140:376 parent 140:
> > class sfq 140:3d6 parent 140:
> > class sfq 140:3e3 parent 140:
> >
> > # tc -d qdisc show dev eth1
> > qdisc htb 1: root refcnt 2 r2q 5 default 99 direct_packets_stat 2 ver 
> > 3.17 direct_qlen 1000
> > qdisc pfifo 110: parent 1:10 limit 1000p
> > qdisc pfifo 120: parent 1:20 limit 1000p
> > qdisc pfifo 130: parent 1:30 limit 1000p
> > qdisc sfq 140: parent 1:40 limit 127p quantum 1514b depth 127 flows 
> > 128/1024 divisor 1024 perturb 10sec
> > qdisc sfq 199: parent 1:99 limit 127p quantum 1514b depth 127 flows 
> > 128/1024 divisor 1024 perturb 10sec
> >
> > # tc -d filter show dev eth1
> > filter parent 1: protocol all pref 1 fw
> > filter parent 1: protocol all pref 1 fw handle 0xa classid 1:10
> > filter parent 1: protocol all pref 2 fw
> > filter parent 1: protocol all pref 2 fw handle 0x14 classid 1:20
> > filter parent 1: protocol all pref 3 fw
> > filter parent 1: protocol all pref 3 fw handle 0x1e classid 1:30
> > filter parent 1: protocol all pref 4 fw
> > filter parent 1: protocol all pref 4 fw handle 0x28 classid 1:40
> > filter parent 1: protocol all pref 99 fw
> > filter parent 1: protocol all pref 99 fw handle 0x63 classid 1:99
> > filter parent 1: protocol all pref 1000 fw
> > filter parent 1: protocol all pref 1000 fw handle 0x3e8 classid 1:1000
> >
> > # tc -s class show dev eth1
> > class htb 1:99 parent 1:1 leaf 199: prio 5 rate 66Kbit ceil 800Kbit 
> > burst 16Kb cburst 1599b
> >   Sent 1705141 bytes 10742 pkt (dropped 0, overlimits 0 requeues 0)
> >   rate 8048bit 6pps backlog 0b 0p requeues 0
> >   lended: 10742 borrowed: 0 giants: 0
> >   tokens: 29290142 ctokens: 198864
> >
> > class htb 1:10 parent 1:1 leaf 110: prio 1 rate 66Kbit ceil 200Kbit 
> > burst 16Kb cburst 1599b
> >   Sent 20229 bytes 229 pkt (dropped 0, overlimits 0 requeues 0)
> >   rate 48bit 0pps backlog 0b 0p requeues 0
> >   lended: 229 borrowed: 0 giants: 0
> >   tokens: 30859841 ctokens: 943734
> >
> > class htb 1:1000 root prio 0 rate 100Mbit ceil 100Mbit burst 1600b 
> > cburst 1600b
> >   Sent 79426 bytes 563 pkt (dropped 0, overlimits 0 requeues 0)
> >   rate 784bit 1pps backlog 0b 0p requeues 0
> >   lended: 563 borrowed: 0 giants: 0
> >   tokens: 1917 ctokens: 1917
> >
> > class htb 1:1 root rate 800Kbit ceil 800Kbit burst 16Kb cburst 1599b
> >   Sent 164307843 bytes 134601 pkt (dropped 0, overlimits 0 requeues 0)
> >   rate 796440bit 78pps backlog 0b 0p requeues 0
> >   lended: 108779 borrowed: 0 giants: 0
> >   tokens: 2192729 ctokens: -117287
> >
> > class htb 1:20 parent 1:1 leaf 120: prio 2 rate 396Kbit ceil 800Kbit 
> > burst 16Kb cburst 1599b
> >   Sent 5042698 bytes 4448 pkt (dropped 0, overlimits 0 requeues 0)
> >   rate 64032bit 6pps backlog 0b 0p requeues 0
> >   lended: 4448 borrowed: 0 giants: 0
> >   tokens: 5142031 ctokens: 235296
> >
> > class htb 1:30 parent 1:1 leaf 130: prio 3 rate 198Kbit ceil 800Kbit 
> > burst 16Kb cburst 1599b
> >   Sent 32111 bytes 216 pkt (dropped 0, overlimits 0 requeues 0)
> >   rate 0bit 0pps backlog 0b 0p requeues 0
> >   lended: 216 borrowed: 0 giants: 0
> >   tokens: 10309330 ctokens: 241546
> >
> > class htb 1:40 parent 1:1 leaf 140: prio 4 rate 66Kbit ceil 800Kbit 
> > burst 16Kb cburst 1599b
> >   Sent 157507664 bytes 118966 pkt (dropped 0, overlimits 0 requeues 0)
> >   rate 724312bit 65pps backlog 0b 27p requeues 0
> >   lended: 10187 borrowed: 108779 giants: 0
> >   tokens: -2031932 ctokens: -222767
> >
> > class sfq 140:56 parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 2814b 2p requeues 0
> >   allot 1520
> >
> > class sfq 140:63 parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 7570b 5p requeues 0
> >   allot 1520
> >
> > class sfq 140:9a parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 6056b 4p requeues 0
> >   allot 1448
> >
> > class sfq 140:f8 parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 1310b 2p requeues 0
> >   allot 528
> >
> > class sfq 140:1c7 parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 3028b 2p requeues 0
> >   allot 1520
> >
> > class sfq 140:269 parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 4542b 3p requeues 0
> >   allot 1304
> >
> > class sfq 140:2ff parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 6056b 4p requeues 0
> >   allot -72
> >
> > class sfq 140:30d parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 1514b 1p requeues 0
> >   allot 1520
> >
> > class sfq 140:326 parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 1502b 1p requeues 0
> >   allot 1520
> >
> > class sfq 140:3ad parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 1514b 1p requeues 0
> >   allot 1520
> >
> > class sfq 140:3c5 parent 140:
> >   (dropped 0, overlimits 0 requeues 0)
> >   backlog 1560b 2p requeues 0
> >   allot 1520

Attachment: qos.sh
Description: application/shellscript