Re: BRAS Options

Concur, this works fine.

If you redistribute connected and static on your BRAS, and then use
aggregate-address statements for your dynamic pools, you'll end up with
only leaking actual static users - this is done in more than a few networks
with many tens of thousands of static subscribers. BGP loves it, trust me :)

On Wed, Nov 8, 2017 at 10:30 AM, Peter Lambrechtsen <[email protected]> wrote:

> I wouldn't have thought Static vs Dynamic should be too much of a problem
> scaling horizontally depending on how you run your core unless you are
> intending to statically route from the BRAS to the internet. If you have a
> core router that you run BGP over a MPLS network to your BRAS, then you can
> just export each route as a /32 into your MPLS network and it won't matter
> which BRAS the customer turns up on.
>
> Yes that would end up with a reasonably sized route table on your core to
> the internet but you are still only talking sub 16k subs so that should be
> doable even with x86 tin.
>
> On Wed, Nov 8, 2017 at 12:51 PM, Stan Rivett <[email protected]> wrote:
>
>>
>> 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 <+64%203-481%207245>
>> C: +64 21 323 841 <+64%2021%20323%20841>
>> ------------------
>>
>> On 8 November 2017 at 12:34, Sam Silvester <[email protected]>
>> wrote:
>>
>>> Hivemind :)
>>>
>>> On Wed, Nov 8, 2017 at 9:56 AM, Gavin Tweedie <
>>> gavin.tweedie-w8AlbrWEzJ5Wk0Htik3J/[email protected]> 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 <[email protected]>
>>>> 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 <[email protected]> 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 <[email protected]>
>>>>>> 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 <+64%203-481%207245>
>>>>>>> C: +64 21 323 841 <+64%2021%20323%20841>
>>>>>>> ------------------
>>>>>>>
>>>>>>> On 8 November 2017 at 11:14, Tim Price <[email protected]> wrote:
>>>>>>>
>>>>>>>> Juniper MX5 + licensing shouldn’t cost you more than $30k depending
>>>>>>>> on your Juniper partner status and where you buy it from.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> *From: *<[email protected]> on behalf of Stan
>>>>>>>> Rivett <[email protected]>
>>>>>>>> *Date: *Wednesday, 8 November 2017 at 11:02 AM
>>>>>>>> *To: *nznog <[email protected]>
>>>>>>>> *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 <03-481%207245>
>>>>>>>>
>>>>>>>> C: +64 21 323 841 <021%20323%20841>
>>>>>>>>
>>>>>>>> ------------------
>>>>>>>>
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>>>>
>>>>
>>>> --
>>>> Global Interconnection Director
>>>> Megaport <https://www.megaport.com>
>>>> +61 498 498 458 <+61%20498%20498%20458>
>>>>
>>>
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