Hi,
I'm setting up a linux box as a router/traffic shaper and using 4.1
kernel i come across weird behavior when i atache HTB qdisc to vlan
interface the single flow speed reduce to 10Mb/s
At the beginning i will mention that my config exist in lxc container.
Configuration is simple i have 2 network interfaces (82599ES) which i
moved to lxc container(bare interface). Next in lxc container i'm
creating vlan on top of the network interface:
ip link add link ens513f0 name ens513f0.102 type vlan id 102
after that i assign to create interface ip and turn forwarding on.
Up to this point everything looks correct. When i connect external PC
and download something via lxc router the speed is above 140Mb/s
But after i create HTB qdisc:
/sbin/tc qdisc add dev ens513f0.102 root handle 1: htb
speed drops to a maximum of 10Mb/s
The problem occurs only on interfaces with VLAN. If i don't create vlan
and address bare ens513f0 interface next add HTB qdisc the speed is OK.
I know that i'm not using the newest kernel but maybe someone come
across this behavior or have idea what is wrong?
---
Pozdrawiam
Adam Nieścierowicz
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