Marcos Bedinelli wrote:
Hello all,
thanks for the replies. Most of you have suggested that I turn on
polling and give it a try. The machine is in production, hence I need
to schedule downtime for that.
The system is mainly being used as a dedicated router. It runs OSPF,
BGP and IPFW (around 150 rules). OSPF and BGP are managed by Quagga.
The box has 2 gigabit interfaces that handle on average 200Mbp/s - 50K
packets/s (inbound and outbound combined), each one of them.
I have found that most people can optimise there ipfw rulests considerably.
for example: a first rule of:
1 allow ip from any to any in recv {inside interfacfe}
2 allow ip from any to any out xmit {inside interface}
will cut your ipfw load by 50% immediatly.
(you should only be filterring on one interface usually)
use 'skipto' rules to immediatly send incoming and outgoing data to
different rules sets.
etc.
(I you want to privatly send me your ruleset I can probably help you do
this)
julian
Some of you have asked for the following information:
- As I indicated before, polling is currently disabled.
- Hyperthreading (HTT) is disabled.
mull [~]$vmstat -i
interrupt total rate
irq1: atkbd0 3466 0
irq6: fdc0 10 0
irq13: npx0 1 0
irq14: ata0 47 0
irq21: fxp1 20462527 8
irq28: bge0 3511765157 1444
irq29: bge1 3633124373 1494
irq30: aac0 1842472 0
cpu0: timer 566751007 233
Total 7733949060 3181
mull [~]$netstat -m
644/646/1290 mbufs in use (current/cache/total)
643/407/1050/17088 mbuf clusters in use (current/cache/total/max)
0/5/4528 sfbufs in use (current/peak/max)
1447K/975K/2422K bytes allocated to network (current/cache/total)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
0 calls to protocol drain routines
Thank you,
--
Marcos
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