RARE user and assistance email list

[Frédéric LOUI <>]

A pure IPv4 or IPv6 or dual stack profile ? :)

IMHO, if IPv6 is not used the a pure IPv4 profile would be best. (Or vice 
versa)
No need of MPLS ? (SR etc.)

The objective is to max out the number entry for features that are  used.

But again, it is up to you to chose.

fl

> Le 7 févr. 2022 à 18:39, Tim Chown <> a écrit :
> 
> Hi,
> 
> Well, our use case is fairly simple.  The Wedge would act as a 100G gateway 
> to host four 100G connected servers that we’d use to test perfSONAR and 
> various data transfers tools on DTNs.  This would be a static setup, with 
> maybe a single v4 and v6 subnet on the server side.   So BGP seems 
> overkill, but our engineers asked what RARE/FreeRtr supports.
> 
> What matters most is the performance, hence our interest in the tests by 
> PSNC and on the Data Mover Challenge.  We’ve seen high rates from Joseph’s 
> device at UvA, but inconclusive results from PSNC (they probably need to be 
> more tightly defined).  We think in a scenario where there’s generally a 
> limited number of concurrent flows, the small Wedge buffers (16 or 20MB?0 
> should be OK.   
> 
> There’s no initial need for multicast, PolKa or anything like that.
> 
> Raul and David are checking QSFPs and cables this week, so we’re getting 
> closer to being ready to deploy.
> 
> Tim
> 
>> On 7 Feb 2022, at 15:23, mc36 <> wrote:
>> 
>> hi,
>> exactly, it depends on the exact features you need...
>> this is the ultimate source of thruth:
>> https://bitbucket.software.geant.org/projects/RARE/repos/rare/browse/profiles
>> the .tmpl files are the 'golas' that you have to set yourself...
>> it's a two step optimization, first for the tcam, then for the sram...
>> this is an ip-only profile with nothing else but the ipv4/ipv6 fib enabled:
>> https://bitbucket.software.geant.org/projects/RARE/repos/rare/browse/profiles/profile-rawip.tmpl
>> https://bitbucket.software.geant.org/projects/RARE/repos/rare/browse/profiles/profile-rawip.p4
>> and here is an other with mpls enabled:
>> https://bitbucket.software.geant.org/projects/RARE/repos/rare/browse/profiles/profile-p.tmpl
>> https://bitbucket.software.geant.org/projects/RARE/repos/rare/browse/profiles/profile-p.p4
>> as flou said, you should set your own features and goals and then it'll 
>> optimize for that specific profile...
>> one thing to keep in mind that both sram and tcam table increase could 
>> span to multiple code stages,
>> resulting in lower tables so choose the primary goal according to your 
>> needs and let the secondary
>> goal span the remaining asic code space...
>> regards,
>> cs
>> 
>> 
>> 
>> 
>> 
>> On 2/7/22 15:15, Fr  d  ric LOUI wrote:
>>> Let me add Csaba as he is tweaking RARE profiles at teh moment.
>>> The answer I presume will depends on your use case.
>>>> Le 7 f  vr. 2022    14:51, Tim Chown <> a   crit :
>>>> 
>>>> Hi,
>>>> 
>>>> What size BGP table can the Wedge take running RARE?
>>>> 
>>>> i.e. should we suggest our engineers configure static routing?
>>>> 
>>>> Raul and David (our engineer) will be looking at the Wedge, servers and 
>>>> cabling in their current location this week, as the plan to deploy 100G 
>>>> in London gets nearer   
>>>> Thanks,
>>>> Tim
>