Tc (Linux)
Linux user-space utility program
From Wikipedia, the free encyclopedia
tc (traffic control) is the user-space system administration utility program used to configure the Linux kernel packet scheduler.[1][2] tc is usually packaged as part of the iproute2 package.[3]

tc relates to the Linux kernel packet scheduler as iptables to netfilter. Both are user-space CLI programs that are used to configure their respective Linux kernel subsystem.Syntax
tc filter add dev pppoe-dsl parent 1: prio 1 protocol ip handle 202 fw flowid 1:202