Re: Strange behavior with carp and preemption

2005-11-24 Thread Ralf Hornik Mailings
Hi Eli, > Eli K. Breen wrote: > Have you tried simply unplugging one's network cable? (to more closely > replicate what would happen during a hard lock or panic?) I should think > things won't be as smooth. Thats correct. When ifconfig down one IF, then it works and the backup becomes master on b

Re: Strange behavior with carp and preemption

2005-11-23 Thread Chad M Stewart
On Nov 23, 2005, at 5:38 AM, Eli K. Breen wrote: I found the problem you describe when I specifically set the advskew on the two carp interfaces. Give it a whirl. Give what a whirl? I do have advskew set on the carp interfaces on the backup node. Since I want one node of the two to be pri

Re: Strange behavior with carp and preemption

2005-11-23 Thread Eli K. Breen
I found the problem you describe when I specifically set the advskew on the two carp interfaces. Give it a whirl. -E- Chad M Stewart wrote: I had tested quite a bit in 3.7 in a lab environment, never found an issue. Now this is 3.8 in production for my business network. I just pulled the

Re: Strange behavior with carp and preemption

2005-11-22 Thread Chad M Stewart
I had tested quite a bit in 3.7 in a lab environment, never found an issue. Now this is 3.8 in production for my business network. I just pulled the patch cable from the switch for the WAN NIC on the master node. Poof the FW service switched to the backup node. I then plugged the patch

Re: Strange behavior with carp and preemption

2005-11-22 Thread Eli K. Breen
Have you tried simply unplugging one's network cable? (to more closely replicate what would happen during a hard lock or panic?) I should think things won't be as smooth. Additionally, what happens if you shut the master down in to Single-User mode? I'm seeing a bug where if the MASTER is shutdo

Re: Strange behavior with carp and preemption

2005-11-22 Thread Chad M Stewart
On Nov 22, 2005, at 11:52 AM, Ralf Hornik Mailings wrote: Could this be a bug in preemption? Has anyone else successfully set up carp with preemption? My OS is now OpenBSD 3.8 RELEASE. After going to stable, I'll be back! :-) This past weekend I implemented a pair of 3.8 (right of CD) carp/pf

Re: Strange behavior with carp and preemption

2005-11-22 Thread Ralf Hornik Mailings
Hi list, I found out something new. > Ralf Hornik Mailings schrieb: > However, the advskew of carp1 on the master side keeps being zero, > allthough showing itself as BACKUP. Should ifconfig show advskew 240 then? tcpdump tells me although preemtion enabled an advskew of 0! After I look at ifcon

Re: Strange behavior with carp and preemption

2005-11-11 Thread Ralf Hornik Mailings
Hi Nick, > Nick Holland wrote: > To the top of google we go! :) Great! :-) > are all the interfaces really in the carp group? Yes, I believe, because carp works if I shut down the Box, or something... > are the interfaces accurately and reliably detecting the cable-unplug? > Might some NICs (o

Re: Strange behavior with carp and preemption

2005-11-10 Thread Nick Holland
Jon Hart wrote: > On Thu, Nov 10, 2005 at 09:31:15PM -0500, Nick Holland wrote: >> I'd have prefered that a more experienced person answer this one, but >> they don't seem to have, so be forewarned: everything I say here might >> be wrong. However, through the glory of mail lists, if I say somethi

Re: Strange behavior with carp and preemption

2005-11-10 Thread Henning Brauer
* Nick <[EMAIL PROTECTED]> [2005-11-11 03:34]: > not really, if you understand the modular approach here. > > > My config: > ... > > > Can anybody reproduce it, and has a solution for this problem? > > Any help would be very nice! :-) > > Look at the pieces here: > * CARP gives you redunancy on

Re: Strange behavior with carp and preemption

2005-11-10 Thread Jon Hart
On Thu, Nov 10, 2005 at 09:31:15PM -0500, Nick Holland wrote: > I'd have prefered that a more experienced person answer this one, but > they don't seem to have, so be forewarned: everything I say here might > be wrong. However, through the glory of mail lists, if I say something > wrong, fifty peo

Re: Strange behavior with carp and preemption

2005-11-10 Thread Nick Holland
I'd have prefered that a more experienced person answer this one, but they don't seem to have, so be forewarned: everything I say here might be wrong. However, through the glory of mail lists, if I say something wrong, fifty people will jump all over me, and Google will put it at the top of the li

Strange behavior with carp and preemption

2005-11-10 Thread Ralf Hornik Mailings
Dear list, I set up two OpenBSD 3.7 -stable firewalls using carp. Everything works except preemption. When only one interface on the master side fails (pull the Cable) the regarding carp0 interface on the backup side becomes master. But not carp1. I waited some minutes, but carp1 keeps being bac