Don’t do that. Put customer routes in to BGP, use OSPF only to carry your 
loopbacks and router-router links for iBGP to use.
Keep your OSPF small, and your BGP big - it’s what they’re both good at.

(OSPF and ISIS are interchangeable here)

> On 10/11/2017, at 2:45 PM, Nathan Brookfield 
> <nathan.brookfi...@simtronic.com.au> wrote:
> 
> Just running OSPF between them all wouldn’t solve that problem for you and 
> worst case MPLS within a VRF?
>  
> Kindest Regards,
> Nathan Brookfield (VK2NAB)
>  
> Chief Executive Officer
> Simtronic Technologies Pty Ltd
>  
> Local: (02) 4749 4949 | Fax: (02) 4749 4950 | Direct: (02) 4749 4951
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> 
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>  
> From: nznog-boun...@list.waikato.ac.nz 
> [mailto:nznog-boun...@list.waikato.ac.nz] On Behalf Of Stan Rivett
> Sent: Wednesday, November 8, 2017 10:52 AM
> To: nznog <NZNOG@list.waikato.ac.nz>
> Subject: Re: [nznog] BRAS Options
>  
>  
> The multiple 7301 track was were I had been heading with one in Christchurch 
> and one in Auckland. The problem is that most of our clients are RBI and we 
> have no control over which router they appear on from our connections to 
> Vodafone. That would be OK if we used dynamic IPs but we don't and its way 
> too late to go back from that.
> 
> Stan Rivett
> ------------------
> Netspeed
> PO Box 5691
> Dunedin
> P: +64 3 481 7245
> C: +64 21 323 841
> ------------------
>  
> On 8 November 2017 at 12:34, Sam Silvester <sam.silves...@gmail.com 
> <mailto:sam.silves...@gmail.com>> wrote:
> Hivemind :)
>  
> On Wed, Nov 8, 2017 at 9:56 AM, Gavin Tweedie <gavin.twee...@megaport.com 
> <mailto:gavin.twee...@megaport.com>> wrote:
> Can you tell Sam and I used to work at the same company? :)
>  
> On Wed, Nov 8, 2017 at 8:24 AM, Sam Silvester <sam.silves...@gmail.com 
> <mailto:sam.silves...@gmail.com>> wrote:
> To a point, the number of subscribers doesn't matter as much as the 
> throughput. If you're looking at 16k+ subs on a single box, you probably need 
> to start being a little careful but otherwise just make sure you've got a 
> decent RP and you should be right. 
> 
> If you simply need to shift (say) 10Gbps of traffic with "more than a few 
> thousand" but say less than 16k, then anything in the ASR range with an RP2 
> and ESP40 will almost certainly be ample.
> 
> Another thought, considering you mention the 7301, is to scale out 
> horizontally - it's not clear if you're already doing this. The nice bit 
> about that also is you could have a few 7201s sharing the load 4 ways, which 
> means your IP pool overhead to cater for a box failure is also much less than 
> running only two boxes.
>  
> On Wed, Nov 8, 2017 at 9:41 AM, Dave Mill <d...@mill.net.nz 
> <mailto:d...@mill.net.nz>> wrote:
> A Juniper MX40 or MX80 seems to meet your needs there - depending on exact 
> subscriber figures. From memory if every customer is in QinQ you won't be 
> able to have more than 8000 on a MX80 series chassis due to interface limits.
>  
> Dave
>  
> On Wed, Nov 8, 2017 at 12:07 PM, Stan Rivett <s...@netspeed.net.nz 
> <mailto:s...@netspeed.net.nz>> wrote:
> Crikey, thanks for all the replies
>  
> Yes we need 10 Gbit, at least 3 ports and I'd rather not be too specific 
> about numbers but more than a few thousand.
>  
> Apologies for being a bit of a cheap bugger but you know what its like as an 
> SME, it all comes out of my pocket ;-)
>  
> Cheers
> 
> Stan Rivett
> ------------------
> Netspeed
> PO Box 5691
> Dunedin
> P: +64 3 481 7245 <tel:+64%203-481%207245>
> C: +64 21 323 841 <tel:+64%2021%20323%20841>
> ------------------
>  
> On 8 November 2017 at 11:14, Tim Price <t...@initech.co.nz 
> <mailto:t...@initech.co.nz>> wrote:
> Juniper MX5 + licensing shouldn’t cost you more than $30k depending on your 
> Juniper partner status and where you buy it from.
>  
> From: <nznog-boun...@list.waikato.ac.nz 
> <mailto:nznog-boun...@list.waikato.ac.nz>> on behalf of Stan Rivett 
> <s...@netspeed.net.nz <mailto:s...@netspeed.net.nz>>
> Date: Wednesday, 8 November 2017 at 11:02 AM
> To: nznog <NZNOG@list.waikato.ac.nz <mailto:NZNOG@list.waikato.ac.nz>>
> Subject: [nznog] BRAS Options
>  
> Hi all
>  
> The time has come to replace my poor old Cisco 7301 and the quote I got for 
> an ASR1002-HX made my eyes water. Still waiting for a Juniper quote but the 
> general discussion seemed like similar numbers.
>  
> Are there any other reliable options out there that don't cost more than my 
> first house?
>  
> Cheers
>  
> Stan Rivett
> ------------------
> Netspeed
> PO Box 5691
> Dunedin
> P: +64 3 481 7245 <tel:03-481%207245>
> C: +64 21 323 841 <tel:021%20323%20841>
> ------------------
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