All Questions
8
questions
2
votes
0
answers
1k
views
Using tc to delay packets to several ports
After reading several pages like this this and without having a really deep knowledge about the kernel Linux, I am able to filter up to 3 ports using just the three first leaves of the tree.
tc qdisc ...
2
votes
0
answers
711
views
TC Filter With BPF and NFTables Packet Marking
I made a TC BPF ingress program and I want it to process specific packets only marked by NFTables. Here's my NFTables table that marks the specific packets:
table ip compressor_tc {
chain ...
0
votes
0
answers
279
views
how to apply TC htb class to each of IPs in an IP range separately?
I use HTB for TC and mark packets with iptables. First I mark a range of IPs (like 192.168.1.0/24). Now I want to apply a htb class to each of these IPs separately. If I add a class and a filter for ...
2
votes
1
answer
965
views
tc/netem filter explenation
Iam new to tc and i find it mighty confusing, i was able to find and bit understand little command flow, to issue delay on specific IP, but i dont tink it works properly - delaying all traffic ...
3
votes
2
answers
6k
views
tc prio qdisc for priorization of mysql traffic
I am struggling with tc prio qdisc for a few hours now.
I have read the lartc Documentation, Examples and HowTos, but this whole thing is kinda new for me and somewhat confusing :)
So this is my ...
4
votes
2
answers
4k
views
Traffic shaping: tc filter attached to an HTB class?
Can I attach a tc filter to an HTB class rather than to an HTB qdisc?
For example:
tc class add dev $IF_LAN parent 1:100 classid 1:180 htb rate 19kbit ceil 2000kbit prio 4
where:
1:100 -> Is ...
7
votes
2
answers
4k
views
Traffic shaping: tc filter catch all filter
How Can I configure a "catch all" filter with tc filter?
I tested with the following code but it gave me the error: "Unknown filter "1:100", hence option "protocol" is unparsable":
tc filter add ...
0
votes
2
answers
3k
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Inconsistencies with Linux tc filter u32 matching on packet data payload - can someone explain?
I would just like some heads up on this as I really don't understand -why- this is the case.
Further down is the TCPDUMP output (tcpdump -s0 -XXnni eth0 tcp port 80) of the 'HTTP' response a ...