Re: Forging ipv6 addresses?

2010-02-16 Thread George Neville-Neil
On Feb 16, 2010, at 19:21 , Martin Lopreiato wrote: > hi, > > On Feb 16, 2010, at 2:09 PM, Martin Lopreiato wrote: >>> note: if i use a configured address, my code works perfectly. so the >>> error message i'm getting when trying to forge an ipv6 address does >>> not seem to be related to a bug

Re: Forging ipv6 addresses?

2010-02-16 Thread Martin Lopreiato
hi, On Feb 16, 2010, at 2:09 PM, Martin Lopreiato wrote: > > note: if i use a configured address, my code works perfectly. so the > > error message i'm getting when trying to forge an ipv6 address does > > not seem to be related to a bug in my code. > > You're not trying to send this traffic from

Re: Forging ipv6 addresses?

2010-02-16 Thread Chuck Swiger
Hi-- On Feb 16, 2010, at 2:09 PM, Martin Lopreiato wrote: > note: if i use a configured address, my code works perfectly. so the > error message i'm getting when trying to forge an ipv6 address does > not seem to be related to a bug in my code. You're not trying to send this traffic from a jail,

Forging ipv6 addresses?

2010-02-16 Thread Martin Lopreiato
hello, i want to send a packet with a forged ipv6 address. i tried using sendmsg() with ancilliary data, but it seems I can only select an address that has been configured on my system. if I select an arbitrary ipv6 address that i want to forge, i get "can't assign requested address" (in freebsd).

Re: Sudden mbuf demand increase and shortage under the load (igb issue?)

2010-02-16 Thread Kostik Belousov
[Trimmed Cc: list] On Tue, Feb 16, 2010 at 10:11:18AM -0800, Maxim Sobolev wrote: > OK, here is some new data that I think rules out any issues with the > applications. Following Alfred's suggestion I have made a script to run > every second and output some system statistics: > > date > netstat

Re: Multiple Routing Tables, FIBs, setfib(1) usage

2010-02-16 Thread Julian Elischer
Brandon Gooch wrote: Are there plans to update the documentation regarding multiple routing tables? http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/network-routing.html ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman

Multiple Routing Tables, FIBs, setfib(1) usage

2010-02-16 Thread Brandon Gooch
Are there plans to update the documentation regarding multiple routing tables? http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/network-routing.html ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net T

Re: Sudden mbuf demand increase and shortage under the load (igb issue?)

2010-02-16 Thread Pyun YongHyeon
On Tue, Feb 16, 2010 at 10:11:18AM -0800, Maxim Sobolev wrote: > OK, here is some new data that I think rules out any issues with the > applications. Following Alfred's suggestion I have made a script to run > every second and output some system statistics: > > date > netstat -m > vmstat -i > ps

Re: Possible bug in TSO or in pf on bce

2010-02-16 Thread Julian Elischer
Pyun YongHyeon wrote: On Mon, Feb 15, 2010 at 10:11:41PM +0100, Albert Shih wrote: Hi all, I'm not a tcp/ip guru, so I don't known if it's a bug or not. The situation is little complexe, so I'm going to explain that. I've one server with tree interfaces two bce and one bge. All test is on

Re: Attansic L1 Gigabit discovered on install but no link

2010-02-16 Thread Pyun YongHyeon
On Tue, Feb 16, 2010 at 01:29:35PM +0100, Patrick Ale wrote: > Good afternoon, > > I tried to install FreeBSD 8.0 about 30 minutes ago and during the > installation I encountered a problem. > > My network card is detected but on DHCP Server discoverage I see that > no link is detected and that th

Re: Possible bug in TSO or in pf on bce

2010-02-16 Thread Pyun YongHyeon
On Mon, Feb 15, 2010 at 10:11:41PM +0100, Albert Shih wrote: > Hi all, > > I'm not a tcp/ip guru, so I don't known if it's a bug or not. > > The situation is little complexe, so I'm going to explain that. > > I've one server with tree interfaces two bce and one bge. All test is on > two bce. >

Re: Attansic L1 Gigabit discovered on install but no link

2010-02-16 Thread Mike Tancsa
At 07:29 AM 2/16/2010, Patrick Ale wrote: Good afternoon, I tried to install FreeBSD 8.0 about 30 minutes ago and during the installation I encountered a problem. My network card is detected but on DHCP Server discoverage I see that no link is detected and that the driver/dhcp discovery process

Re: Attansic L1 Gigabit discovered on install but no link

2010-02-16 Thread Patrick Ale
On Tue, Feb 16, 2010 at 6:45 PM, Steven Friedrich wrote: > On Tuesday 16 February 2010 07:29:35 am Patrick Ale wrote: > I don't want to stop you from pursuing getting this NIC working, but why don't > you have an option here?  I would suspect that your laptop has USB ports and > Netgear and other

Re: Sudden mbuf demand increase and shortage under the load (igb issue?)

2010-02-16 Thread Maxim Sobolev
OK, here is some new data that I think rules out any issues with the applications. Following Alfred's suggestion I have made a script to run every second and output some system statistics: date netstat -m vmstat -i ps -axl pstat -T vmstat -z sysctl -a The problem had hit us again today several

Re: Attansic L1 Gigabit discovered on install but no link

2010-02-16 Thread Steven Friedrich
On Tuesday 16 February 2010 07:29:35 am Patrick Ale wrote: > Good afternoon, > > I tried to install FreeBSD 8.0 about 30 minutes ago and during the > installation I encountered a problem. > > My network card is detected but on DHCP Server discoverage I see that > no link is detected and that the

Re: Sudden mbuf demand increase and shortage under the load

2010-02-16 Thread Maxim Sobolev
Miroslav Lachman wrote: Can it be related to this issue somehow? http://lists.freebsd.org/pipermail/freebsd-current/2009-August/011013.html http://lists.freebsd.org/pipermail/freebsd-current/2009-August/010740.html It was tested on FreeBSD 8 and high UDP traffic on igb interfaces emits message

RAW socket under netgraph

2010-02-16 Thread Zanetta Serena
Hi, I am trying to implement the raw socket mechanism under Netgraph by setting the ng_ksocket node type as a raw socket. My purpose is to fill "by hand" the IP and UDP headers and then forward the so created packet to the raw socket to be delivered to the appropriate next hop. I suppose I need

Attansic L1 Gigabit discovered on install but no link

2010-02-16 Thread Patrick Ale
Good afternoon, I tried to install FreeBSD 8.0 about 30 minutes ago and during the installation I encountered a problem. My network card is detected but on DHCP Server discoverage I see that no link is detected and that the driver/dhcp discovery process is giving up on trying. I understoodthat t

Re: kern/144000: [tcp] setting TCP_MAXSEG by setsockopt() does not seem to have any effect

2010-02-16 Thread linimon
Old Synopsis: [tcp] ignore set TCP_MAXSEG by setsockopt() New Synopsis: [tcp] setting TCP_MAXSEG by setsockopt() does not seem to have any effect Responsible-Changed-From-To: freebsd-bugs->freebsd-net Responsible-Changed-By: linimon Responsible-Changed-When: Tue Feb 16 12:43:48 UTC 2010 Responsib

Re: Sudden mbuf demand increase and shortage under the load

2010-02-16 Thread Miroslav Lachman
Maxim Sobolev wrote: Sergey Babkin wrote: Maxim Sobolev wrote: Hi, Our company have a FreeBSD based product that consists of the numerous interconnected processes and it does some high-PPS UDP processing (30-50K PPS is not uncommon). We are seeing some strange periodic failures under the load