[123355] in North American Network Operators' Group
Re: Redundant BGP for lower cost
daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Fri Mar 5 13:18:33 2010
Date: Fri, 05 Mar 2010 10:14:35 -0800
From: Joel Jaeggli <joelja@bogus.com>
To: Alex Thurlow <alex@blastro.com>
In-Reply-To: <4B91355F.4060608@blastro.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
http://ws.afnog.org/afnog2009/sie/detail.html
monday afternoon and tuesdays workshop materials cover introduction to
dynamic routing and ospf. thursdays includes the ospf/ibgp intergration
materials.
On 03/05/2010 08:46 AM, 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?
>
> Thanks,
> Alex
>
>
> 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@blastro.com
>> <mailto:alex@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
>>
>>
>>
>
