Hi,
I have one router with 4 interfaces:
Input1
/
out - R - Input2
\
Input3
The flows sense is: Input1 -> output; Input2->out;
Input3->out;
I want to do classification, shaping and marking in
each In* interface and some queueing management in out
interface.
For In* interfaces I tried to use the following
script:
#!/bin/sh
DEV1="dev eth3"
# In1
DEV2="dev eth2"
# In2
DEV3="dev eth4"
# In3
DEV4="dev eth1"
# out
tc qdisc del $DEV1 ingress
tc qdisc del $DEV2 ingress
tc qdisc del $DEV3 ingress
tc qdisc del $DEV4 root
# initialisation part
tc qdisc add $DEV1 ingress
tc qdisc add $DEV2 ingress
tc qdisc add $DEV3 ingress
tc qdisc add $DEV4 root handle 1:0 cbq bandwidth
10Mbit avpkt 1500 cell 8
# for interface In1 (here is DEV1)
# shaping + classification
tc filter add $DEV1 parent ffff:0 protocol ip prio 1
u32 match ip dst 192.168.3.6 match ip dport 6970
0xffff police rate 500Kbit burst 30K drop flowid 1:1
tc filter add $DEV1 parent ffff:0 protocol ip prio 1
u32 match ip src 192.168.9.17 match ip dport 5050
0xffff police rate 500Kbit burst 6K drop classid 1:2
tc filter add $DEV1 parent ffff:0 protocol ip prio 1
u32 match ip src 192.168.9.17 match ip sport 80 0xffff
police rate 300Kbit burst 6K drop classid 1:3
# marking with tos field
# Somebody has an I ideea how it should be done?
#for interface In2 (here is DEV2)
.................
#for interface In3 (here is DEV3)
.................
#for interface out (here is DEV4)
tc class add $DEV4 parent 1:0 classid 1:1 cbq
bandwidth 10Mbit rate 250Kbit avpkt 1500 allot 1514
mpu 64 prio
tc qdisc add $DEV4 parent 1:1 tbf rate 1Mbit burst
20kbit limit 20kb
tc class add $DEV4 parent 1:0 classid 1:2 cbq
bandwidth 10Mbit rate 300Kbit avpkt 1500 allot 1514
mpu 64 prio 2
tc qdisc add $DEV4 parent 1:2 gred setup DPs 1 default
1 grio
tc qdisc change $DEV4 parent 1:2 gred limit 10KB min
2KB max 6KB avpkt 1500 burst 4 bandwidth 10Mbit DP 1
probability 0.02 prio 2
tc class add $DEV4 parent 1:0 classid 1:3 cbq
bandwidth 10Mbit rate 700Kbit avpkt 1500 allot 1514
mpu 64 prio 2
tc qdisc add $DEV4 parent 1:3 gred setup DPs 1 default
1 grio
tc qdisc change $DEV4 parent 1:3 gred limit 10KB min
2KB max 6KB avpkt 1500 burst 4 bandwidth 10Mbit DP 1
probability 0.02 prio 2
So, when I start the script and provision the In
interface with ingress task the system is frozen! Why?
Can anybody explain me?
Also, I don't have any ideea how to mark the packets
at the ingress. I tried to use dsmark queueing
discipline but I can't use it at the ingress. Have you
another
ideea?
Thank you,
R.
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