Re: very weak bridge performance

2007-05-16 Thread Renaud Allard
Here is the dmesg: OpenBSD 4.1-stable (GENERIC) #0: Wed May 9 14:47:40 CEST 2007 [EMAIL PROTECTED]:/var/log/src/sys/arch/i386/compile/GENERIC cpu0: Intel(R) Pentium(R) 4 CPU 3.20GHz (GenuineIntel 686-class) 3.21 GHz cpu0:

very weak bridge performance

2007-05-15 Thread Renaud Allard
Hello, I just had the opportunity to test some Fluke network equipment, notably one which is able to throughput test gigabit networks. I installed a Nexcom NSA1086 with OpenBSD 4.1-stable and did some tests. The NSA1086 units are equipped with a Pentium IV 3.2Ghz (hyperthreading disabled), and

Re: very weak bridge performance

2007-05-15 Thread Marco Peereboom
Possibly interrupt issues. Where them dmesg'? On Tue, May 15, 2007 at 07:04:47PM +0200, Renaud Allard wrote: Hello, I just had the opportunity to test some Fluke network equipment, notably one which is able to throughput test gigabit networks. I installed a Nexcom NSA1086 with OpenBSD

Re: very weak bridge performance

2007-05-15 Thread Renaud Allard
No nothing showed in the logs. And I don't understand why such a performance difference between routing and bridging. Marco Peereboom wrote: Possibly interrupt issues. Where them dmesg'? On Tue, May 15, 2007 at 07:04:47PM +0200, Renaud Allard wrote: Hello, I just had the opportunity to

Re: very weak bridge performance

2007-05-15 Thread Peter Hessler
you forgot to enable sysctl net.inet.ip.forwarding=1 on the first test. Turn that on, then re-measure the speeds of the bridge. On 2007 May 15 (Tue) at 19:04:47 +0200 (+0200), Renaud Allard wrote: :Hello, : :I just had the opportunity to test some Fluke network equipment, notably :one which is

Re: very weak bridge performance

2007-05-15 Thread Diana Eichert
On Tue, 15 May 2007, Renaud Allard wrote: No nothing showed in the logs. And I don't understand why such a performance difference between routing and bridging. Marco Peereboom wrote: Possibly interrupt issues. Where them dmesg'? I believe Marco requested the dmesg info and indicated it

Re: very weak bridge performance

2007-05-15 Thread Claudio Jeker
On Tue, May 15, 2007 at 11:09:03AM -0700, Peter Hessler wrote: you forgot to enable sysctl net.inet.ip.forwarding=1 on the first test. Turn that on, then re-measure the speeds of the bridge. bridging is layer 2 and has nothing to do with net.inet.ip.forwarding=1. The problem is more

Re: very weak bridge performance

2007-05-15 Thread Renaud Allard
Diana Eichert wrote: On Tue, 15 May 2007, Renaud Allard wrote: No nothing showed in the logs. And I don't understand why such a performance difference between routing and bridging. Marco Peereboom wrote: Possibly interrupt issues. Where them dmesg'? I believe Marco requested the dmesg

Re: very weak bridge performance

2007-05-15 Thread Mark Pecaut
On 5/15/07, Peter Hessler [EMAIL PROTECTED] wrote: :bridging is layer 2 and has nothing to do with net.inet.ip.forwarding=1. :The problem is more somewhere deep inside the bridging code. One possible :problem could be a to small interface queue but I could be totaly wrong. :If nobody beats me I