I have problems with shaping traffic running through a VLAN. I have done the following set up:
I have a linux box a gateway. I wish to use VLAN on the internal interface (eth0). eth1 is connected to the internet. I will like to be able to shape the dowstream traffic.
I have set up the followingon the gateway:
vconfig add eth0 10
tc qdisc add dev eth0.10 parent root handle 1: htb default 2
tc class add dev eth0.10 classid 1:1 parent 1:0 htb rate 100Mbit ceil 100Mbit
tc class add dev eth0.10 classid 1:2 parent 1:1 htb prio 7 rate 1Kbit ceil 100Mbit
tc class add dev eth0.10 classid 1:10 parent 1:1 htb prio 0 rate 1024Kbit ceil 1024Kbit
tc filter add dev eth0.10 pref 1 proto ip handle 0x1 fw flowid 4:10
iptables -t mangle -A FORWARD -s 10.0.0.0/24 -j MARK --set-mark 0x1
If it send traffic through the VLAN (I have a Linux PC in the othere end), I will only get a performance of about 312Kbit/s. Not 1024Kbit as I would expect.
If I use:
tc filter add dev eth1.1024 parent 4:0 protocol ip prio 0x1 handle 0x100 u32 match ip src 10.0.0.0/24 classid 4:800
I get only 280Kbit/s through.
If I create the setup on eth0 instead on the VLAN it works very well.
Does anybody have a clue?
I have read that Martin Devera recommends to use iptables on VLANs, but as you see it does not make a difference...
Btw.: When I test I connect a PC to eth0 and one to eth1 with VLAN.
Any help will be greatly appreciated!
William
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