原文地址:
环境:
MagicLinux2.0 内核: 2.6.15.3
iptables版本:iptables v1.3.7
网桥:bridge-utils-1.2
route -V : route 1.98
给内核打了layer7补丁
eth1:外网 eth2:内网
配置网桥:
brctl addbr br0
brctl addif br0 eth1
brctl addif br0 eth2
ifconfig eth1 0.0.0.0
ifconfig eth2 0.0.0.0
ifconfig br0 0.0.0.0
去外网的队列:
tc qdisc add dev eth1 root handle 1: htb default 20
tc class add dev eth1 parent 1: classid 1:1 htb rate 100mbit burst 1k
tc class add dev eth1 parent 1:1 classid 1:10 htb rate 100kbit burst 1k
tc class add dev eth1 parent 1:1 classid 1:20 htb rate 100mbit burst 1k
tc qdisc add dev eth1 parent 1:10 handle 10: sfq perturb 10
tc qdisc add dev eth1 parent 1:20 handle 20: sfq perturb 10
tc filter add dev eth1 protocol ip parent 1:0 prio 8 handle 11 fw flowid 1:10
进内网的队列:
tc qdisc add dev eth2 root handle 1: htb default 40
tc class add dev eth2 parent 1: classid 1:1 htb rate 100mbit burst 100m
tc class add dev eth2 parent 1:1 classid 1:30 htb rate 100kbit burst 1k
tc class add dev eth2 parent 1:1 classid 1:40 htb rate 100mbit burst 1k
tc qdisc add dev eth2 parent 1:30 handle 30: sfq perturb 10
tc qdisc add dev eth2 parent 1:40 handle 40: sfq perturb 10
tc filter add dev eth2 protocol ip parent 1:0 prio 8 handle 22 fw flowid 1:30
iptables配置:
iptables -t mangle -F
iptables -t mangle -A PREROUTING -i eth2 -s 90.0.11.66/32 -j MARK --set-mark 11
iptables -t mangle -A PREROUTING -i eth2 -s 90.0.11.66/32 -j RETURN
iptables -t mangle -A PREROUTING -i eth1 -d 90.0.11.66/32 -j MARK --set-mark 22
iptables -t mangle -A PREROUTING -i eth1 -d 90.0.11.66/32 -j RETURN
(对90.0.11.66这个地址限速100kbit,在这里是测试效果的,本意是用layer7来做p2p流量控制的。)
经测试发现速度没有改变,为了查找问题,我用u32试了试效果:
tc qdisc add dev eth1 root handle 1: htb default 20
tc class add dev eth1 parent 1: classid 1:1 htb rate 100mbit burst 1k
tc class add dev eth1 parent 1:1 classid 1:10 htb rate 100kbit burst 1k
tc class add dev eth1 parent 1:1 classid 1:20 htb rate 100mbit burst 1k
tc qdisc add dev eth1 parent 1:10 handle 10: sfq perturb 10
tc qdisc add dev eth1 parent 1:20 handle 20: sfq perturb 10
tc filter add dev eth1 protocol ip parent 1:0 prio 8 u32 match ip src 90.0.11.66/32 flowid 1:10
tc qdisc add dev eth2 root handle 1: htb default 40
tc class add dev eth2 parent 1: classid 1:1 htb rate 100mbit burst 100m
tc class add dev eth2 parent 1:1 classid 1:30 htb rate 100kbit burst 1k
tc class add dev eth2 parent 1:1 classid 1:40 htb rate 100mbit burst 99m
tc qdisc add dev eth2 parent 1:30 handle 30: sfq perturb 10
tc qdisc add dev eth2 parent 1:40 handle 40: sfq perturb 10
tc filter add dev eth2 protocol ip parent 1:0 prio 8 u32 match ip dst 90.0.11.66/32 flowid 1:30
测试发现效果很好。后来我怀疑是网桥的问题,我把网桥去掉,做了nat,内部是192.168.1.0网络,外部是90.0.11.0网络。经测试还是老样子,用u32可以,用iptables 的mark 就是不行,百思不得其解。
后来改用cbq队列试了试,还是不行。
tc qdisc add dev eth1 root handle 1: cbq bandwidth 100mbit avpkt 1000 cell 8
tc class add dev eth1 parent 1: classid 1:1 cbq bandwidth 100mbit rate 100mbit maxburst 20 allot 1514 avpkt 1000 cell 8 weight 1mbit
tc class add dev eth1 parent 1: classid 1:10 cbq bandwidth 100mbit rate 100kbit maxburst 20 allot 1514 avpkt 1000 cell 8 weight 1mbit
tc class add dev eth1 parent 1: classid 1:20 cbq bandwidth 100mbit rate 100mbit maxburst 20 allot 1514 avpkt 1000 cell 8 weight 1mbit
tc filter add dev eth1 protocol ip parent 1:0 prio 8 handle 11 fw flowid 1:10
tc filter add dev eth1 protocol ip parent 1:0 prio 4 handle 22 fw flowid 1:10
iptables -t mangle -F
iptables -t mangle -A PREROUTING -i eth2 -s 192.168.1.6/32 -j MARK --set-mark 11
iptables -t mangle -A PREROUTING -i eth2 -s 192.168.1.6/32 -j RETURN
iptables -t mangle -A PREROUTING -i eth2 -j MARK --set-mark 22
tc qdisc add dev eth2 root handle 1: cbq bandwidth 100mbit avpkt 1000 cell 8
tc class add dev eth2 parent 1: classid 1:1 cbq bandwidth 100mbit rate 100mbit maxburst 20 allot 1514 avpkt 1000 cell 8 weight 1mbit
tc class add dev eth2 parent 1:1 classid 1:30 cbq bandwidth 100mbit rate 100kbit maxburst 20 allot 1514 avpkt 1000 cell 8 weight 1mbit
tc class add dev eth2 parent 1:1 classid 1:40 cbq bandwidth 100mbit rate 100mbit maxburst 20 allot 1514 avpkt 1000 cell 8 weight 1mbit
tc filter add dev eth2 protocol ip parent 1:0 prio 8 handle 33 fw flowid 1:30
tc filter add dev eth2 protocol ip parent 1:0 prio 4 handle 44 fw flowid 1:40
iptables -t mangle -A PREROUTING -i eth1 -d 192.168.1.6/32 -j MARK --set-mark 33
iptables -t mangle -A PREROUTING -i eth1 -d 192.168.1.6/32 -j RETURN
iptables -t mangle -A PREROUTING -i eth1 -j MARK --set-mark 44
如此看来,问题应该是出在mark上了。我加载的模块:lsmod|grep ip
ipt_layer7 10668 0
ipt_MARK 1536 4
ipt_MASQUERADE 2048 1
iptable_nat 5764 1
ipt_ipp2p 6784 0
ip_nat_ftp 2176 0
ip_nat 12460 3 ipt_MASQUERADE,iptable_nat,ip_nat_ftp
ip_conntrack_ftp 5616 1 ip_nat_ftp
ip_conntrack 34508 5 ipt_MASQUERADE,iptable_nat,ip_nat_ftp,ip_nat,ip_conntrack_ftp
nfnetlink 3864 2 ip_nat,ip_conntrack
iptable_filter 1664 0
iptable_mangle 1792 1
ip_tables 16000 7 ipt_layer7,ipt_MARK,ipt_MASQUERADE,iptable_nat,ipt_ipp2p,iptable_filter,iptable_mangle
不知道是缺少补丁还是iptables的问题。MagicLinux2.0自带的iptables版本是1.3.6,我自己编译的1.3.7。
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