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I have a requirement which I guess it is not too
unusually, however I haven't
quite figured out how to do it and couldn't
find any examples which handle that.
I have made myself a Linux-based bridge, eth0
bridged with
eth1 to form br0.
In this bridge, I run 'tc' script to handle
QoS.
So far nothing unusual.
However, what's different is that this bridge is
sitted in between a pppoe client
and pppoe server, ie pppoe frames are bridge between the Linux bridge, and
I am interested to
perform QoS on the pppoe frames, based on the ip tos setting
of the ppp packets ( encapsulated inside
the pppoe frames ).
For example,
normal tc script :-
tc filter add dev ppp0 parent 1:0 prio 10 u32 \ match ip tos 0x10 0xff \ flowid 1:4 This will work on a ppp0 device because the ppp0
has ip packets flowing through
it. Now in my bridge, there is no such device, I only have access to eth0 or eth1,
how could I perform the same thing on devices such
as eth0 or eth1, but matching
the ip TOS setting
inside the pppoe frame ?
Best regards.
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