Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-04 Thread Willy Tarreau
Hi Jan, On Fri, May 04, 2007 at 09:53:31AM +0200, Jan Engelhardt wrote: > > On May 4 2007 02:11, Willy Tarreau wrote: > >> > >> Haha. Would you be happy if it ran on a CF card instead? :> > > > >Yes, because at least when you design a system to run on a CF card, you > >ensure never to write on i

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-04 Thread Paul Slootman
Øyvind Vågen Jægtnes <[EMAIL PROTECTED]> wrote: > >Yes, i was suspecting that the arp cache got full, but i will try >increasing it :) >Would there be any huge bugs if i change these lines in arp.c: > >.gc_thresh1 = 128, >.gc_thresh2 = 512, > >to > >.gc_thresh1 = 700,

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-04 Thread Jan Engelhardt
On May 4 2007 05:48, Øyvind Vågen Jægtnes wrote: > > As a side note, i'm starting to wonder if it was worth the $20k when i > could just have a linux machine to do the job with a clone for backup > ;) Most often not. The big bosses (which do most decisions yet are not always the cluefulst wrt. t

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-04 Thread Jan Engelhardt
On May 4 2007 02:11, Willy Tarreau wrote: >> >> Haha. Would you be happy if it ran on a CF card instead? :> > >Yes, because at least when you design a system to run on a CF card, you >ensure never to write on it because you know that would kill it. Then >since you never write on it, it does not w

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-04 Thread Andi Kleen
"Miquel van Smoorenburg" <[EMAIL PROTECTED]> writes: > And > if you need to route more than say 3 gbit/s, PC hardware just > won't cut it. Each new x86 hardware generation normally can route more than the previous generation. If you give out such a dubious number you would always need to give it

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-04 Thread Miquel van Smoorenburg
In article <[EMAIL PROTECTED]> you write: >Its a Juniper M7i >It comes default with a 5400 rpm laptop 2.5" harddrive but now we >bought a more robust "server" 2.5" harddrive. It still barfs on the OS >install, so the linux is doing all the job now. Will get a juniper guy >to come and fix :) > >As a

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Willy Tarreau
On Fri, May 04, 2007 at 05:48:18AM +0200, Øyvind Vågen Jægtnes wrote: > Hi again :) > > On 5/4/07, Willy Tarreau <[EMAIL PROTECTED]> wrote: > >On Thu, May 03, 2007 at 11:12:09PM +0200, Øyvind Vågen Jægtnes wrote: > >> On 5/3/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: > >> > > >> >On May 3 2007

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Øyvind Vågen Jægtnes
Hi again :) On 5/4/07, Willy Tarreau <[EMAIL PROTECTED]> wrote: On Thu, May 03, 2007 at 11:12:09PM +0200, Øyvind Vågen Jægtnes wrote: > On 5/3/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: > > > >On May 3 2007 22:53, Willy Tarreau wrote: > >>> For the rest all we see in the arp cache is (incompl

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Willy Tarreau
On Fri, May 04, 2007 at 12:50:17AM +0200, Jan Engelhardt wrote: > > On May 4 2007 00:23, Willy Tarreau wrote: > > > >> This setup will only run for about 1-2 hours while we fix the hardware > >> router (it is running now, but only on a backup flash card solution. > >> the harddrive in it died ;) >

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Jan Engelhardt
On May 4 2007 00:23, Willy Tarreau wrote: > >> This setup will only run for about 1-2 hours while we fix the hardware >> router (it is running now, but only on a backup flash card solution. >> the harddrive in it died ;) > >Huhhh! Please tell us exactly what make and model of ROUTER you are using

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Willy Tarreau
On Thu, May 03, 2007 at 11:12:09PM +0200, Øyvind Vågen Jægtnes wrote: > On 5/3/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: > > > >On May 3 2007 22:53, Willy Tarreau wrote: > >>> For the rest all we see in the arp cache is (incomplete) > >> > >>I suspect that your arp cache is full (128 entries by

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Stephen Hemminger
On Thu, 3 May 2007 22:53:46 +0200 Sam Ravnborg <[EMAIL PROTECTED]> wrote: > On Thu, May 03, 2007 at 10:25:48PM +0200, Øyvind Vågen Jægtnes wrote: > > Hi, > Hi Øyvind. > > Forwarding your mail to netdev where the networking people are > hanging out. Maybe they can help you. > > Sam > > >

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Øyvind Vågen Jægtnes
On 5/3/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: On May 3 2007 22:53, Willy Tarreau wrote: >> For the rest all we see in the arp cache is (incomplete) > >I suspect that your arp cache is full (128 entries by default). >Check /proc/sys/net/ipv4/neigh/gc_thresh1 (128 for me). You can >set it a

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Willy Tarreau
On Thu, May 03, 2007 at 10:53:41PM +0200, Willy Tarreau wrote: > On Thu, May 03, 2007 at 10:25:48PM +0200, Øyvind Vågen Jægtnes wrote: > > Hi, > > > > We have a one gigabit internet connection that is normally > > routed by a hardware juniper router. The drive in this is down > > and we need to us

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Jan Engelhardt
On May 3 2007 22:53, Willy Tarreau wrote: >> For the rest all we see in the arp cache is (incomplete) > >I suspect that your arp cache is full (128 entries by default). >Check /proc/sys/net/ipv4/neigh/gc_thresh1 (128 for me). You can >set it as high as gc_thresh2 (512 for me), and I don't know wha

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Sam Ravnborg
On Thu, May 03, 2007 at 10:25:48PM +0200, Øyvind Vågen Jægtnes wrote: > Hi, Hi Øyvind. Forwarding your mail to netdev where the networking people are hanging out. Maybe they can help you. Sam > > We have a one gigabit internet connection that is normally > routed by a hardware juniper r

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Willy Tarreau
On Thu, May 03, 2007 at 10:25:48PM +0200, Øyvind Vågen Jægtnes wrote: > Hi, > > We have a one gigabit internet connection that is normally > routed by a hardware juniper router. The drive in this is down > and we need to use a linux machine (Pentium D 3 ghz) as a > temporary router. > Now setting

Re: Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Jan Engelhardt
On May 3 2007 22:25, Øyvind Vågen Jægtnes wrote: > > Now for the real setup. > We closed the mac of the juniper to the network card that > would be connected to the internal LAN, set up the interfaces, > and swapped cables. This worked fine for approximately 100 > of the computers that are connect

Routing 600+ vlan's via linux problems (looks like arp problems)

2007-05-03 Thread Øyvind Vågen Jægtnes
Hi, We have a one gigabit internet connection that is normally routed by a hardware juniper router. The drive in this is down and we need to use a linux machine (Pentium D 3 ghz) as a temporary router. Now setting up all the 600 vlans and assigning ip addresses is no problem. We have testet all b