Hello,
What is the setting below?
The white line, tagged, Target, it is showing the value, 5
Is this a user setting, or hard coded?
If you run this command in an SSH session tc -s qdisc you get:
qdisc ingress ffff: dev eth1 parent ffff:fff1 ----------------
Sent 199713962378 bytes 155313639 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc noqueue 0: dev br-lan root refcnt 2
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc cake 8012: dev ifb4eth1 root refcnt 2 bandwidth 800Mbit diffserv4 dual-dsthost nat nowash ingress no-ack-filter split-gso rtt 80ms noatm overhead 18 mpu 64
Sent 207376603973 bytes 155313332 pkt (dropped 307, overlimits 63619686 requeues 0)
backlog 0b 0p requeues 0
memory used: 4467818b of 15140Kb
capacity estimate: 800Mbit
min/max network layer size: 46 / 1500
min/max overhead-adjusted size: 64 / 1518
average network hdr offset: 14
Bulk Best Effort Video Voice
thresh 50Mbit 800Mbit 400Mbit 200Mbit
target 4ms 4ms 4ms 4ms
interval 80ms 80ms 80ms 80ms
pk_delay 460us 912us 21us 14us
av_delay 88us 685us 4us 5us
sp_delay 1us 2us 3us 3us
backlog 0b 0b 0b 0b
pkts 2568391 145202219 6229439 1313590
bytes 3382098400 199451325307 4250815347 292798310
way_inds 0 1422545 1748 52720
way_miss 67 222006 1722 563416
way_cols 0 0 0 0
drops 0 306 1 0
marks 9 103 0 0
ack_drop 0 0 0 0
sp_flows 1 3 1 1
bk_flows 0 1 0 0
un_flows 0 0 0 0
max_len 68130 69876 24224 1841
quantum 1514 1514 1514 1514
There you can see your target ms, which is a 5% of your interval ms value. In my case 4 ms and 80 ms, as you can see above. By default interval is set to 100 ms, hence your 5 ms target value.
3 Likes
Thank you for this information!
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