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本帖最后由 dato 于 2012-9-2 15:14 编辑
你们的数据怎么一个比一个夸张。。。。都用的什么设备。20mbps*1024kbps/8=2560kb/s/180=14.222kb
看我的dlink600 b2 ddwrt build 14311 2M ADSL 240kb/65kb tc做的基于端口的QOS,虽然看起来有38台。实际网络连接很小。昨天最高也就见到1200多个并发数。偶现在发现在_40这组如果有大量的p2p连接依然会导致在20M的线路上网络缓冲不及时。当然也许可以考虑用限制连接数的方式,但是这种方法方法基本不考虑。linux下的tc只能限制tcp协议吧。UDP是个没方向的协议tc可没说它可以限制。dd下匹配模块有限,当有机器连接数超标偶就用个limit模块进行发包数量限制然后在forward链启用REJECT丢弃让udp协议快速消亡以避免占用CPU和内存资源,在低带宽下可以保证端口应用服务正常,但是最终实际可以浮动的带宽也少得可怜。
root@onlyit:/tmp# cat port.tmp tcp_5060,6060_10 udp_5060,6060,27015:27018,27050,27060,27070,27080_10 tcp_53,22,23,123,3389,8123_20 udp_53_20 tcp_80,443,1080,1863,8080,12000,14000_30 udp_4000:4030,8000:8001_30 tcp_20,21,25,1024:65535_40 udp_1024:65535_40
root@onlyit:/tmp# ip n
192.168.8.44 dev vlan3 lladdr 00:1a:4d:83:aa:a9 STALE
192.168.12.243 dev br0 lladdr f4:ec:38:09:62:96 DELAY
192.168.8.42 dev vlan3 lladdr 00:1a:4d:83:cb:b0 REACHABLE
192.168.8.11 dev vlan3 lladdr 00:1a:4d:65:69:0a DELAY
192.168.9.13 dev vlan5 lladdr 00:1a:4d:83:ca:fb STALE
192.168.12.71 dev br0 lladdr d0:df:9a:cb:6d:46 REACHABLE
192.168.12.36 dev br0 lladdr 00:19:e0:8e:81:78 STALE
192.168.8.53 dev vlan3 lladdr 00:1a:4d:83:ae:25 STALE
192.168.8.45 dev vlan3 lladdr 00:1a:4d:83:aa:36 REACHABLE
192.168.8.46 dev vlan3 lladdr 00:1a:4d:83:aa:60 REACHABLE
192.168.8.55 dev vlan3 lladdr 00:16:e6:9d:3b:2d STALE
192.168.8.43 dev vlan3 lladdr 00:1a:4d:83:ca:13 REACHABLE
192.168.12.40 dev br0 lladdr 00:19:e0:8e:7a:89 STALE
192.168.8.12 dev vlan3 lladdr 00:16:e6:9d:1f:fd STALE
192.168.12.205 dev br0 lladdr 88:c6:63:76:b2:99 STALE
192.168.8.23 dev vlan3 lladdr 00:1a:4d:65:69:14 DELAY
192.168.9.11 dev vlan5 lladdr 00:1a:4d:65:e2:24 STALE
192.168.12.207 dev br0 FAILED
192.168.8.36 dev vlan3 lladdr 00:16:e6:9d:3b:67 DELAY
192.168.8.56 dev vlan3 lladdr 00:1a:4d:65:68:f6 DELAY
192.168.8.34 dev vlan3 lladdr 00:1a:4d:65:dc:13 STALE
192.168.8.32 dev vlan3 lladdr 00:16:e6:9d:3a:5c REACHABLE
192.168.8.41 dev vlan3 lladdr 00:1a:4d:83:cc:01 REACHABLE
192.168.8.16 dev vlan3 lladdr 00:1a:4d:6b:c9:50 REACHABLE
192.168.8.21 dev vlan3 lladdr 00:16:e6:9d:3b:50 DELAY
192.168.8.52 dev vlan3 lladdr 00:1a:4d:6b:d9:ae STALE
192.168.8.26 dev vlan3 lladdr 00:16:e6:9d:23:9f DELAY
192.168.8.13 dev vlan3 lladdr 00:1a:4d:65:dc:61 REACHABLE
192.168.8.51 dev vlan3 lladdr 00:1a:4d:65:dc:51 REACHABLE
192.168.8.31 dev vlan3 lladdr 00:1a:4d:65:e1:7c DELAY
192.168.9.12 dev vlan5 lladdr 00:1a:4d:65:dc:6b STALE
192.168.8.22 dev vlan3 lladdr 00:1a:4d:65:69:00 REACHABLE
192.168.12.206 dev br0 lladdr 00:1f:3c:69:2e:32 REACHABLE
192.168.8.25 dev vlan3 lladdr 00:1a:4d:83:df:df REACHABLE
192.168.8.100 dev vlan3 lladdr 00:16:e6:9d:37:43 STALE
192.168.8.15 dev vlan3 lladdr 00:1a:4d:65:e1:f1 REACHABLE
192.168.12.75 dev br0 lladdr c8:3a:35:cd:b8:c3 REACHABLE
192.168.12.66 dev br0 lladdr dc:2b:61:74:05:a1 STALE
192.168.12.70 dev br0 lladdr d8:b3:77:90:12:0e REACHABLE
root@onlyit:/tmp# ip n|wc -l
39
root@onlyit:/tmp# ./conn_dato.sh
192.168.8.44 connection count:TCP 5 UDP 0 _?
192.168.12.243 connection count:TCP 0 UDP 0 _?
192.168.8.42 connection count:TCP 19 UDP 2 _?
192.168.8.11 connection count:TCP 8 UDP 1 _?
192.168.9.13 connection count:TCP 0 UDP 0 _?
192.168.12.71 connection count:TCP 3 UDP 2 _rx78gp03s-PC
192.168.9.23 connection count:TCP 0 UDP 0 _?
192.168.12.36 connection count:TCP 3 UDP 1 _O_zhanglaoshi
192.168.8.53 connection count:TCP 5 UDP 0 _?
192.168.8.45 connection count:TCP 86 UDP 5 _?
192.168.8.46 connection count:TCP 18 UDP 5 _?
192.168.8.55 connection count:TCP 5 UDP 3 _?
192.168.8.43 connection count:TCP 91 UDP 3 _?
192.168.12.40 connection count:TCP 0 UDP 0 _
192.168.8.12 connection count:TCP 6 UDP 2 _?
192.168.12.205 connection count:TCP 1 UDP 0 _D_T
192.168.8.23 connection count:TCP 26 UDP 4 _?
192.168.9.11 connection count:TCP 0 UDP 0 _
192.168.12.207 connection count:TCP 0 UDP 0 _D_note
192.168.8.36 connection count:TCP 25 UDP 11 _?
192.168.8.56 connection count:TCP 12 UDP 3 _?
192.168.8.32 connection count:TCP 6 UDP 3 _?
192.168.8.41 connection count:TCP 92 UDP 10 _?
192.168.8.16 connection count:TCP 14 UDP 6 _?
192.168.8.21 connection count:TCP 8 UDP 2 _?
192.168.8.52 connection count:TCP 5 UDP 0 _?
192.168.8.26 connection count:TCP 10 UDP 2 _?
192.168.8.13 connection count:TCP 5 UDP 2 _?
192.168.8.51 connection count:TCP 7 UDP 0 _?
192.168.8.31 connection count:TCP 114 UDP 4 _?
192.168.9.12 connection count:TCP 0 UDP 0 _?
192.168.8.22 connection count:TCP 10 UDP 5 _?
192.168.12.206 connection count:TCP 7 UDP 4 _only
192.168.8.25 connection count:TCP 0 UDP 22 _?
192.168.8.100 connection count:TCP 5 UDP 3 _?
192.168.8.15 connection count:TCP 3 UDP 3 _?
192.168.12.75 connection count:TCP 1 UDP 11 _only-e7727fbd44
192.168.12.66 connection count:TCP 0 UDP 0 _Fox
192.168.12.70 connection count:TCP 1 UDP 0 _Android_866153000415588
ALL_Active_Clients_Count: 39
root@onlyit:/tmp#
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