Re: [CentOS] Redundant LAN routing possible?

2010-07-11 Thread Jerry Franz
On 07/10/2010 09:48 PM, Emmanuel Noobadmin wrote: Thanks for the suggestion, I'll read up more about them. The bond0 and just works sounds simple which is a Good Thing! The problem was the last time I tried to cross connect multiple switches, everything just died so there must be something a

Re: [CentOS] Redundant LAN routing possible?

2010-07-11 Thread Chan Chung Hang Christopher
Emmanuel Noobadmin wrote: Thanks for the suggestion, I'll read up more about them. The bond0 and just works sounds simple which is a Good Thing! The problem was the last time I tried to cross connect multiple switches, everything just died so there must be something a bit more involved? :D

Re: [CentOS] Redundant LAN routing possible?

2010-07-11 Thread Emmanuel Noobadmin
On 7/12/10, Chan Chung Hang Christopher christopher.c...@bradbury.edu.hk wrote: You only really need STP when you have switches that are connected together in such a way as to have multiple paths. For the setup you first posted, you could just have two physically separate networks. That does

Re: [CentOS] Redundant LAN routing possible?

2010-07-11 Thread Gordon Messmer
On 07/11/2010 10:25 AM, Emmanuel Noobadmin wrote: I think I must had made a mistake in my setup example because the multipath thing seems to be what I had in mind. i.e. all machines have at least 2 paths to the others so as long as one switch is alive, functionality remains. A critical

Re: [CentOS] Redundant LAN routing possible?

2010-07-11 Thread Chan Chung Hang Christopher
Idea being that the dumb switches are used solely for local data transfer between up to X number of App servers and storage nodes. The managed switch then handles only external communications as well as any firewalling. Oh you have dumb switches in the mix? Not going to work as Gordon has

[CentOS] Redundant LAN routing possible?

2010-07-10 Thread Emmanuel Noobadmin
I've been reading that it's possible to set up a system with multiple NIC to provide redundant internet connectivity such that it will switch to a secondary connection if the primary ISP fails. Is it possible in a similar way to setup redundant LAN routing? I read that it is possible to

Re: [CentOS] Redundant LAN routing possible?

2010-07-10 Thread Boris Epstein
On Sat, Jul 10, 2010 at 5:21 PM, Emmanuel Noobadmin centos.ad...@gmail.com wrote: I've been reading that it's possible to set up a system with multiple NIC to provide redundant internet connectivity such that it will switch to a secondary connection if the primary ISP fails. Is it possible

Re: [CentOS] Redundant LAN routing possible?

2010-07-10 Thread Whit Blauvelt
On Sun, Jul 11, 2010 at 05:21:50AM +0800, Emmanuel Noobadmin wrote: e.g. System A eth0 - lan switch/router 1 eth1 - lan switch/router 2 System B eth0 - lan switch 1 eth1 - lan switch 2 Then somehow specify that, if lan switch 1 fails, the two systems will switch to using switch 2 so

Re: [CentOS] Redundant LAN routing possible?

2010-07-10 Thread Rajagopal Swaminathan
Greetings, On 7/11/10, Emmanuel Noobadmin centos.ad...@gmail.com wrote: I've been reading that it's possible to set up a system with multiple NIC to provide redundant internet connectivity such that it will switch to a secondary connection if the primary ISP fails. Is it possible in a

Re: [CentOS] Redundant LAN routing possible?

2010-07-10 Thread Jerry Franz
On 7/10/2010 2:21 PM, Emmanuel Noobadmin wrote: I've been reading that it's possible to set up a system with multiple NIC to provide redundant internet connectivity such that it will switch to a secondary connection if the primary ISP fails. Is it possible in a similar way to setup redundant

Re: [CentOS] Redundant LAN routing possible?

2010-07-10 Thread Emmanuel Noobadmin
Thanks for the suggestion, I'll read up more about them. The bond0 and just works sounds simple which is a Good Thing! The problem was the last time I tried to cross connect multiple switches, everything just died so there must be something a bit more involved? :D In the mean time since my post,