Re: igb(4) Raising IGB_MAX_TXD ??

2012-04-21 Thread Jack Vogel
Yes, I'm not sure what the actual hard limit is, will check that on Monday, but you can go over 4K, it was just a limit I created. Jack On Sat, Apr 21, 2012 at 10:51 PM, Vijay Singh wrote: > >> FWIW, at my current employer we run with both rxd and txd cranked up to > 32k > >> (we had to patch

Re: igb(4) Raising IGB_MAX_TXD ??

2012-04-21 Thread Vijay Singh
>> FWIW, at my current employer we run with both rxd and txd cranked up to 32k >> (we had to patch the driver as you suggested) and have not had any problems >> doing that for a couple of years now. John et al, is this limit specific to igb, or is it applicable to the ixgbe as well. From the 8.x d

Re: FreeBSD 7 on Newer MBs

2012-04-21 Thread Julian Elischer
On 4/21/12 4:49 AM, Barney Cordoba wrote: For a variety of reasons I have a client stuck on FreeBSD 7.0 and they're interested in getting a MB that uses the latest CPUS. They're just using the console, so there are no graphics; can someone provide insight as to whether this would be expected t

Re: Some performance measurements on the FreeBSD network stack

2012-04-21 Thread Adrian Chadd
Hi, This honestly sounds like it's begging for an instrumentation/analysis/optimisation project. What do we need to do? Adrian ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail

Re: Stateful IPFW - too many connections in FIN_WAIT_2 or LAST_ACK states

2012-04-21 Thread Chuck Swiger
On Apr 21, 2012, at 4:41 AM, Dmitry S. Kasterin wrote: > The "DYNAMIC RULES" section gives the following recommendation: > ipfw add check-state > ipfw add deny tcp from any to any established > ipfw add allow tcp from my-net to any setup keep-state > > Is the second rule

Re: Stateful IPFW - too many connections in FIN_WAIT_2 or LAST_ACK states

2012-04-21 Thread Ian Smith
On Sat, 21 Apr 2012 15:41:30 +0400, Dmitry S. Kasterin wrote: [..] > 9.0-STABLE / custom kernel > > > Also, if > > you choose to use stateful TCP filtering, it is probably best to do it > > in the manner shown in the ipfw(8) man page under DYNAMIC RULES. This > > is very different from the w

FreeBSD 7 on Newer MBs

2012-04-21 Thread Barney Cordoba
For a variety of reasons I have a client stuck on FreeBSD 7.0 and they're interested in getting a MB that uses the latest CPUS. They're just using the console, so there are no graphics; can someone provide insight as to whether this would be expected to work without serious problems? BC ___

Re: Stateful IPFW - too many connections in FIN_WAIT_2 or LAST_ACK states

2012-04-21 Thread Dmitry S. Kasterin
>> # sysctl net.inet.ip.fw.dyn_fin_lifetime=4 >> net.inet.ip.fw.dyn_fin_lifetime: 1 -> 4 >> # sysctl net.inet.ip.fw.dyn_rst_lifetime=4 >> net.inet.ip.fw.dyn_rst_lifetime: 1 -> 4 > The thing that jumps out is that all of the blocked packets are of FIN > packets. I am not sure why they are being deni