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tc htb question regarding sharing bandwidth [message #47874]

Mon, 17 September 2012 19:28

KuJoe
Messages: 11
Registered: November 2011

Junior Member

Here's the issue I am facing:

I have a 1Gbps port on my host node and would like to limit each container to 100Mbps. The problem is, I cannot find a way to cap each connection at 100Mbps while utilizing the 1Gbps "pool" (i.e. 10 100Mbps connections, 20 50Mbps connections, etc...). I have it setup so with a rate limit of 100Mbps, but when 2 downloads are running it will take the 100Mbps and divide it by 2. I would like each of the connections to be able to download at 100Mbps. I'm out of ideas.

tc qdisc del dev venet0 root
tc qdisc add dev venet0 root handle 1: htb default 10
tc class add dev venet0 parent 1: classid 1:1 htb rate 1000mbit burst 15k
tc class add dev venet0 parent 1:1 classid 1:10 htb rate 100mbit burst 15k
tc qdisc add dev venet0 parent 1:10 handle 10: sfq perturb 10

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Re: tc htb question regarding sharing bandwidth [message #47882 is a reply to message #47874]

Tue, 18 September 2012 13:50

shaggy63
Messages: 4
Registered: August 2011

Junior Member

Do an ifconfig on the host. Do you have a separate virtual adapter for each guest? If so set the dev class to each virtual adapter for each guest.

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Re: tc htb question regarding sharing bandwidth [message #47960 is a reply to message #47882]

Thu, 20 September 2012 01:31

KuJoe
Messages: 11
Registered: November 2011

Junior Member

Nope, only venet0.

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Re: tc htb question regarding sharing bandwidth [message #47965 is a reply to message #47874]

Thu, 20 September 2012 13:54

dr4g0nl0rd
Messages: 17
Registered: May 2008

Junior Member

Limit to 10Mbit in / out

WANDEV="eth0"
LANDEV="venet0"
TC="/sbin/tc"
IPTABLES="/sbin/iptables"

$TC qdisc add dev $WANDEV root handle 1: cbq avpkt 1000 bandwidth 1000mbit
$TC class add dev $WANDEV parent 1: classid 1:1 cbq rate 10mbit allot 1500 prio 1 bounded isolated
$TC qdisc add dev $WANDEV parent 1:1 sfq perturb 10

$TC qdisc add dev $LANDEV root handle 1: cbq avpkt 1000 bandwidth 1000mbit
$TC class add dev $LANDEV parent 1: classid 1:1 cbq rate 10mbit allot 1500 prio 1 bounded isolated
$TC qdisc add dev $LANDEV parent 1:1 sfq perturb 10

$IPTABLES -t mangle -I POSTROUTING -o eth0 -s x.x.x.x -j CLASSIFY --set-class 1:1
$IPTABLES -t mangle -I POSTROUTING -o venet0 -d y.y.y.y -j CLASSIFY --set-class 1:1

replace x.x.x.x and y.y.y.y with CTID IP Adress

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