All Questions
7
questions
0
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54
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How to set speed limit per IP in IP range in Ubuntu
What I want:
I've setup a openvpn-server and want the clients in range of 10.8.0.0/21 limit their speed to 10mbit for each IP as a total limit of 100mbit.
wan interface : eth0
openvpn interface : ...
- 101
0
votes
1
answer
46
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Which values for Netem to emulate WAN?
I am developing a distributed application, which I'm currently running on a cluster of Ubuntu VMs over LAN. I'd like to evaluate the performance of my application over WAN. So I decided to use Netem ...
- 11
6
votes
1
answer
5k
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Network shaping using `tc netem` doesn't seem to work
I'm trying to simply delay traffic targeted for certain IP address on Ubuntu 16.06 box with no luck.
There are plenty of resources as this this this or this that I studied.
I ended up with these two ...
- 231
2
votes
1
answer
986
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How to measure the speed for tc (traffic control) in Ubuntu?
I have the following settings:
tc qdisc del dev $ETH0ORSIMILAR root
tc qdisc add dev $ETH0ORSIMILAR root handle 1: htb default 30
tc class add dev $ETH0ORSIMILAR parent 1: classid 1:1 htb rate ...
- 1,565
-2
votes
2
answers
527
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Configure OpenVPN with many users [closed]
Similar to this question I am looking at connecting 1000's of concurrent users:
OpenVPN performance: how many concurrent clients are possible?
To save CPU cycles I would like to know if there is ...
1
vote
0
answers
342
views
HTB scheduler unexpected behaviour, low priority traffic starving high priority traffic
I am working on assuring low delay for UDP traffic at the home gateway level. At this home gateway I have two types of traffic, TCP and UDP, and I assure differentiated treatment by using HTB. The ...
1
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2
answers
10k
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RTNETLINK answers: File exists when using netem with tc
So I simply get this error when I enter this command in my master VM:
sudo tc qdisc add dev eth0 root netem delay 97ms
RTNETLINK answers: File exists
Any idea how that could be fixed?
I am running ...
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