Hi, all rules togther less than 80 rules.... how tablearg helps this? each ip & pipe (up & down) are unique...
any other advices? Sami On Sat, Jun 9, 2012 at 1:15 PM, Alexander V. Chernikov <melif...@freebsd.org > wrote: > On 09.06.2012 01:56, Sami Halabi wrote: > >> Hi, >> >> I Manage a FreeBSD server as an edge router& firewall. >> >> the setup has 10G interfaces (ixgbe-82599EB) and 1G interfaces(em-82571EB& >> bce-BCM5709) connected to 10G/1G switches. >> >> With the following setup i get higher cpu usage: >> bce1-upstream provider with little bandwidth, so i use pipes to limit >> users, and subnets >> ix0 - Internet Exchange >> >> some rules. >> . >> . >> .from 4000 starts pipes for specefic ips bandwidth allocations >> 04000 6210053001 5845967300616 pipe 1003 ip from 182.46.92.13 to any >> out xmit bce1 >> 04100 41289897537 3064110648124 pipe 1004 ip from any to 182.46.92.13 >> in recv bce1 >> > You should use pipe tablearg for that. Traversing 4k rules effectively > kills all performance. > > > . >> . >> . >> .7000 is the wider pipeline for the whole block >> 07000 9127154724 4651308720315 pipe 1000 ip from 182.46.92.0/24 to >> any out xmit bce1 >> 07100 4837016828 458027989917 pipe 1002 ip from any to >> 182.46.92.0/24 in recv bce1 >> last rule default to accept... >> >> specefic pipes (1003-...) have limits say between 1-10Mbps, and the wider >> pipe (1000 and 1002) has a global limit of 40MBps that should be reached >> by >> all other non-specefic ips, config like this: >> #Wide >> ipfw pipe 1000 config bw 40Mbit/s queue 200Kbytes >> ipfw pipe 1002 config bw 40Mbit/s queue 200Kbytes >> #specefic >> ipfw pipe 1003 config bw 9Mbit/s queue 200Kbytes >> ipfw pipe 1004 config bw 9Mbit/s queue 200Kbytes >> ipfw pipe 1005 config bw 3Mbit/s queue 200Kbytes >> ipfw pipe 1006 config bw 3Mbit/s queue 200Kbytes >> ipfw pipe 1007 config bw 5Mbit/s queue 200Kbytes >> ipfw pipe 1008 config bw 5Mbit/s queue 200Kbytes >> ipfw pipe 1009 config bw 10Mbit/s queue 200Kbytes >> ipfw pipe 1010 config bw 10Mbit/s queue 200Kbytes >> >> >> with this configuration when i have lots of traffic (3-6GB) going via ix0 >> (not necessarly the ips described above, lets say to a server in my net ip >> 1832.46.93.4 and users behind the Internet Exchange) i see high cpu usage >> (70-90%). >> >> my first test was to: ipfw add 1 allow all from any to any, and cpu usage >> drops immediatly to 10-15%. >> but that not why i want (i wantto keep thelimits) so I add rule right >> before 4000 and the cpu usage drops down to 10-20%: >> 03020 1669463072808 1493341413029803 allow ip from any to any via ix0 >> >> >> Any advice why this happens? or should it be there in the first place? >> I use FreeBSD 8.1-R-p10-amd64. >> >> Thanks in advance, >> >> > > -- > WBR, Alexander > -- Sami Halabi Information Systems Engineer NMS Projects Expert FreeBSD SysAdmin Expert _______________________________________________ freebsd-ipfw@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw To unsubscribe, send any mail to "freebsd-ipfw-unsubscr...@freebsd.org"
