Hi there,
I need some help from a CBQ mentor to figure out a shaping problem where I
want to limit an ethernet to have a default speed of 256Kbit, but for a
few destination network allow full bandwith.
Simple setup like this:
1.1.1.0/24 1.1.2.0/24
-[out router]---------------[eth0 linux router eth1]-----------[clients]
I have solved the default speed (only the input for simplicity) of 256Kbit
like below, but how do I do the shaping exception for some destination
network 1.1.3.0/24 and 1.1.4.0/24 where I want to allow full speed? Can
the u32 filter do this, or another class? I don't get all the pieces
together yet.
tc qdisc add dev eth1 \
root handle 1: \
cbq \
bandwidth 10Mbit \
cell 8 \
avpkt 1000 \
mpu 64
tc class add dev eth1 \
parent 1:0 \
classid 1:1 \
cbq \
bandwidth 10Mbit \
rate 10Mbit \
allot 1514 \
cell 8 \
weight 1Mbit \
prio 8 \
maxburst 20 \
avpkt 1000
tc class add dev eth1 \
parent 1:1 \
classid 1:10 \
cbq \
bandwidth 10Mbit \
rate 256Kbit \
allot 1514 \
cell 8 \
weight 26Kbit \
prio 5 \
maxburst 20 \
avpkt 1000 \
bounded
tc qdisc add dev eth1 \
parent 1:10 \
tbf \
rate 256Kbit \
buffer 10Kb/8 \
limit 15Kb
tc filter add dev eth1 \
parent 1:0 \
protocol ip \
prio 100 \
u32 \
match ip dst 1.1.2.0/24 \
flowid 1:10
--
Best Regards
Daniel Ryde
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