Re: ECN marking implenetation for dummynet

2014-06-09 Thread Lawrence Stewart
On 6/8/2014 9:07 PM, hiren panchasara wrote: On Sun, Jun 1, 2014 at 12:31 AM, hiren panchasara wrote: On Tue, Apr 8, 2014 at 9:14 PM, hiren panchasara wrote: On Tue, Apr 8, 2014 at 8:46 PM, Adrian Chadd wrote: Hi! Cool! can you file a FreeBSD PR with this? I'm testing this patch right now

Re: ECN marking implenetation for dummynet

2014-06-09 Thread hiren panchasara
On Mon, Jun 9, 2014 at 1:31 AM, Lawrence Stewart wrote: > On 6/8/2014 9:07 PM, hiren panchasara wrote: >> I wish to MFC this change and following actual dctcp changes (which >> I'll commit to -head in coming weeks) to 10. >> >> Let me know if there is any objection to it. > > > Please don't MFC t

Re: Does FreeBSD have the ability to properly forward UDP traffic ?

2014-06-09 Thread Eygene Ryabinkin
Good day. Fri, Jun 06, 2014 at 11:25:33PM -0700, None Secure via freebsd-net wrote: > I would like very much to use sshuttle for an informal VPN. > > However, sshuttle sets up a lot of complexity in order to route DNS > requests over the ssh tunnel ... it uses divert rules for dns > traffic, and

how to capture packets when using netmap?

2014-06-09 Thread upyzl
Hi all I'm using FreeBSD 10 release and with "device netmap" added (recompile kernel to use netmap) but it seems didn't support libpcap (I use tcpdump to capture when netmap-bridge is on and 2 hosts ping each other | topo: host1 --- [em0] FreeBSD [em1] --- host2 ) I know there is a netmap-libpca

Re: ECN marking implenetation for dummynet

2014-06-09 Thread Lawrence Stewart
On 06/09/14 18:47, hiren panchasara wrote: > On Mon, Jun 9, 2014 at 1:31 AM, Lawrence Stewart wrote: >> On 6/8/2014 9:07 PM, hiren panchasara wrote: > >>> I wish to MFC this change and following actual dctcp changes (which >>> I'll commit to -head in coming weeks) to 10. >>> >>> Let me know if th

dhclient sucks cpu usage...

2014-06-09 Thread John-Mark Gurney
So, after finding out that nc has a stupidly small buffer size (2k even though there is space for 16k), I was still not getting as good as performance using nc between machines, so I decided to generate some flame graphs to try to identify issues... (Thanks to who included a full set of modules, i

Re: dhclient sucks cpu usage...

2014-06-09 Thread Bryan Venteicher
Hi, - Original Message - > So, after finding out that nc has a stupidly small buffer size (2k > even though there is space for 16k), I was still not getting as good > as performance using nc between machines, so I decided to generate some > flame graphs to try to identify issues... (Thank