TC(8) Linux TC(8) (NAME) tc-ets - (Enhanced Transmission Selection) (SYNOPSIS) tc qdisc ... ets [ bands number ] [ strict number ] [ quanta bytes bytes bytes... ] [ priomap band band band... ] tc class ... ets [ quantum bytes ] (DESCRIPTION) (Enhanced Transmission Selection ETS) (classful) PRIO DRR . ETS (strict) (bandwidth-sharing) 802.1Qaz . 'tc qdisc add' . 'tc class' . qdisc . (minor number) (classid) . major:1 major:2 . ETS : (strict) (bandwidth-sharing) . (ALGORITHM) (dequeuing) (strict) . . DRR . (deficit counter) quanta . ETS <<>> () qdisc . . . quantum . qdisc . qdisc (non-work-conserving) TBF -- qdisc . . (CLASSIFICATION) ETS (enqueue) : o (class handle) . qdisc 11: 11:3 . 0x110003 . o tc qdisc flowid . o ETS priomap ( ) . (PARAMETERS) strict . 0 . quanta . quanta . . quanta bands . bands . strict quanta . MTU . strict quanta . priomap priomap . . . . . (EXAMPLE & USAGE) qdisc MTU . . : ( ): # tc qdisc add dev eth0 root handle 1: ets bands 8 priomap 7 6 5 4 3 2 1 0 # tc qdisc show dev eth0 qdisc ets 1: root refcnt 2 bands 8 quanta 1514 1514 1514 1514 1514 1514 1514 1514 priomap 7 6 5 4 3 2 1 0 7 7 7 7 7 7 7 7 qdisc ( ): # tc class change dev eth0 classid 1:1 ets quantum 2650 # tc qdisc show dev eth0 qdisc ets 1: root refcnt 2 bands 8 quanta 2650 1514 1514 1514 1514 1514 1514 1514 priomap 7 6 5 4 3 2 1 0 7 7 7 7 7 7 7 7 qdisc : : # tc qdisc add dev eth0 root handle 1: ets strict 8 priomap 7 6 5 4 3 2 1 0 # tc qdisc sh dev eth0 qdisc ets 1: root refcnt 2 bands 8 strict 8 priomap 7 6 5 4 3 2 1 0 7 7 7 7 7 7 7 7 qdisc ETS : # tc qdisc add dev eth0 root handle 1: ets strict 3 quanta 3500 3000 2500 priomap 0 1 1 1 2 3 4 5 # tc qdisc sh dev eth0 qdisc ets 1: root refcnt 2 bands 6 strict 3 quanta 3500 3000 2500 priomap 0 1 1 1 2 3 4 5 5 5 5 5 5 5 5 5 qdisc : # tc qdisc add dev eth0 root handle 1: ets bands 8 strict 3 priomap 3 4 0 1 2 5 6 7 # tc qdisc sh dev eth0 qdisc ets 1: root refcnt 2 bands 8 strict 3 quanta 1514 1514 1514 1514 1514 priomap 3 4 0 1 2 5 6 7 7 7 7 7 7 7 7 7 (SEE ALSO) tc(8), tc-prio(8), tc-drr(8) (AUTHOR) PRIO DRR . ETS Petr Machata . iproute2 December 2019 TC(8)