Redundant BGP for lower cost
bclark at spectraaccess.com
Fri Mar 5 10:57:47 CST 2010
OPSF (in this scenario) is easier to set up then BGP...but check out
On Fri, 2010-03-05 at 10:46 -0600, Alex Thurlow wrote:
> I have to say that this looks like a nice solution to me, and I've
> definitely had many people point me to OSPF. One problem is that I've
> never run OSPF before. Some googling brings of a few results on
> implementation, but can someone recommend a good place to look or a book
> to get to really get it all figured out?
> On 3/4/2010 11:23 AM, Jack Carrozzo wrote:
> > If you want to keep it cheap, roll out another Quagga edge - one to
> > each peer. Drop default into OSPF from both edges, iBGP over a GE
> > between them. If one toasts you'll only lose half your routes for
> > 1s-ish, or however long you set your OSPF keepalives.
> > While you're at it, add extra fans and run the edge systems off solid
> > state disks or CF cards.
> > Or, buy $real hardware.
> > -Jack Carrozzo
> > On Thu, Mar 4, 2010 at 12:17 PM, Alex Thurlow <alex at blastro.com
> > <mailto:alex at blastro.com>> wrote:
> > Let me preface this by saying that I'm not a full time network
> > admin, but we're a small company and I'm the only one handling
> > this. Our budget is also not huge, but we're at the point where
> > extended downtime would cost us enough money that we can spend
> > some money to fix the problem.
> > Here's my situation: I have two providers, each handing me
> > gigabit ethernet. I'm getting full BGP feeds and handling them
> > with a Linux/Quagga router. We max out at about 100kpps, as we're
> > mostly pushing video which gives us a large packet size. It works
> > fine, and I've been happy with it so far. But, we've gotten to
> > the point where I want a backup router of some sort in case
> > something happens to that one, what with the fans and disks that
> > could fail. I see a few options.
> > 1. Just set up another Quagga box and use keepalived or some other
> > HA solution.
> > 2. Buy a Cisco/Juniper/whatever and then have the Quagga box as
> > backup.
> > 3. I have a 6500 behind the router that's just doing switching.
> > Could I have something switch that to static route all traffic to
> > one of my providers if something happened to the router? The 6500
> > has Sup1A with MSFC2 running IOS native.
> > On the Cisco side, I see that we could probably run a 7200VXR with
> > NPE-G1 (about $6000 on ebay). Moving to the Sup720, even used is
> > probably out of our price range.
> > What do you guys think I should use here?
> > Thanks,
> > Alex
More information about the NANOG