So I do that:
....................
tc class add dev eth1 parent 30:100 classid 30:1000 htb rate 12800kbps ceil 51200kbps prio 1
tc qdisc add dev eth1 parent 30:1000 sfq
...................
tc -s -d class ls dev eth1
class htb 30:100 parent 30:10 rate 200Mbit ceil 400Mbit burst 263690b/8 mpu 0b cburst 525808b/8 mpu 0b level 5
Sent 53850 bytes 719 pkts (dropped 0, overlimits 0)
lended: 0 borrowed: 0 giants: 0
tokens: 8239 ctokens: 8216
class htb 30:1000 parent 30:100 leaf 8012: prio 1 quantum 200000 rate 100Mbit ceil 400Mbit burst 132644b/8 mpu 0b cburst 525808b/8 mpu 0b level 0
Sent 13944 bytes 116 pkts (dropped 0, overlimits 0)
lended: 116 borrowed: 0 giants: 0
tokens: 8287 ctokens: 8216
How to do obtain below result:
I read from www.docum.org have problem about parameter:
Frist :
The same story goes for ceil and cburst, you don't want the class to send more packets then it's ceil allows. So removing the cburst is a good choice for that case.
Second:
Packets that are sent when the class is allowed to send, are still matched against rate/ceil/burst/cburst. So a big quantum will not create bursts if you don't allow it with the burs/cburst parameters.
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