Re: lots of network interfaces

2013-03-09 Thread Lowell Gilbert
Wojciech Puchar writes: >>> very usable at that point, ifconfig aside). >> >> The interfaces are a linked list, plus there's a separate kernel dive >> for each interface. The list (as opposed to individual interfaces) is > > i don't care how fast ifconfig displays them, just for how fast things

Re: lots of network interfaces

2013-03-08 Thread Wojciech Puchar
very usable at that point, ifconfig aside). The interfaces are a linked list, plus there's a separate kernel dive for each interface. The list (as opposed to individual interfaces) is i don't care how fast ifconfig displays them, just for how fast things like routing or ipfw rule like "via t

Re: lots of network interfaces

2013-03-08 Thread Lowell Gilbert
writes: > I decided to stress-test the netgraph(4) subsystem one day and was able to > create 65530 interfaces before it produced an error, refusing to create > another. > > At that point, the system was still usable, but... > > It took over an hour for ifconfig to list all the interfaces. Simpl

Re: lots of network interfaces

2013-03-08 Thread Wojciech Puchar
You wrote 8 ? 2013 ?., 20:14:59: WP> i am not because i don't do this now, and ask BEFORE planning. I know ISP, who uses FreeBSD with mpd5 as BRAS for PPPoE. They uses exactly what i want, just with vtun. So it will go fine. thank you. ___ free

Re: lots of network interfaces

2013-03-08 Thread Lev Serebryakov
Hello, Wojciech. You wrote 8 марта 2013 г., 20:14:59: WP> i am not because i don't do this now, and ask BEFORE planning. I know ISP, who uses FreeBSD with mpd5 as BRAS for PPPoE. They uses ngX, not tunX, but as far as I understand, their systems has thousands such interfaces (~2500 per machin

Re: lots of network interfaces

2013-03-08 Thread Wojciech Puchar
i am asking for ca 800 tun(4) interfaces active but no more than 250Mbit/s over them total. Do you hit CPU limits at that point? i am not because i don't do this now, and ask BEFORE planning. Adrian ___ freebsd-hackers@freebsd.org mailing lis

RE: lots of network interfaces

2013-03-07 Thread dteske
> -Original Message- > From: owner-freebsd-hack...@freebsd.org [mailto:owner-freebsd- > hack...@freebsd.org] On Behalf Of Wojciech Puchar > Sent: Thursday, March 07, 2013 3:25 AM > To: freebsd-hackers@freebsd.org > Subject: lots of network interfaces > > are there an

Re: lots of network interfaces

2013-03-07 Thread Adrian Chadd
On 7 March 2013 03:24, Wojciech Puchar wrote: > are there any scalability limits in case of lots of network interfaces. > i am asking for ca 800 tun(4) interfaces active but no more than 250Mbit/s > over them total. Do you hit CPU limits at that point?

lots of network interfaces

2013-03-07 Thread Wojciech Puchar
are there any scalability limits in case of lots of network interfaces. i am asking for ca 800 tun(4) interfaces active but no more than 250Mbit/s over them total. ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo