I have a setup based on htb and sfq qdiscs.
When more than 100 users get connected to my lan, my internet setup
works considerably bad.
- I have a linux box with 1 eth card going to my switch (where the hubs
connect to) and to eth cards to both adsl (2Mbit each) doing load
balancing
- My question is, is there a possibility the single ethcard cant cope
with all the load? I have found no answers
My setup:
My adsl are 2Mbit down / 300kbit up -> but i only let each eth card send
to each adsl router 150kbit to avoid collapsing during high load.
DEV=eth1
tc qdisc add dev ${DEV} handle 1: root htb default 20
tc class add dev ${DEV} parent 1:1 classid 1:1 htb rate 150kbit burst 6k
########################################
## Interactive traffic
tc class add dev ${DEV} parent 1:1 classid 1:10 htb rate 50kbit ceil
150kbit b
tc qdisc add dev ${DEV} parent 1:10 handle 10: sfq perturb 10
tc filter add dev ${DEV} protocol ip parent 1:0 handle 1 fw classid
1:10
########################################
## Non-Interactive Trafic
tc class add dev ${DEV} parent 1:1 classid 1:20 htb rate 50kbit ceil
100kbit qu
tc qdisc add dev ${DEV} parent 1:20 handle 20: esfq perturb 10 depth 15
tc filter add dev ${DEV} protocol ip parent 1:0 handle 2 fw classid
1:20
tc filter add dev ${DEV} protocol ip parent 1:0 handle 6 fw classid
1:20
########################################
## SYN,ACK Trafic
tc class add dev ${DEV} parent 1:1 classid 1:30 htb rate 45kbit ceil
100kbit qu
tc qdisc add dev ${DEV} parent 1:30 handle 30: sfq perturb 10
tc filter add dev ${DEV} protocol ip parent 1:0 handle 3 fw classid 1:30
########################################
## ICMP Trafic
tc class add dev ${DEV} parent 1:1 classid 1:40 htb rate 5kbit quantum
1500 bur
tc qdisc add dev ${DEV} parent 1:40 handle 40: pfifo
tc filter add dev ${DEV} protocol ip parent 1:0 handle 4 fw classid 1:40
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