[j-nsp] Optimizing the FIB on MX

[Dave Bell]

I've not used the MX104, but the MX80 is incredibly slow to commit
changes, and from discussion on this mailing list slow to converge
also. As has been mentioned though, this can be got around by using
things like BGP PIC, and LFA to maintain a valid forwarding path while
the control plane sorts itself out though.

What I would be interested to know though is do these technologies use
additional FIB slots? IE by enabling BGP PIC, are you effectively
cutting your FIB capacity in half, from 1 million routes to 0.5
million?

Regards,
Dave

On 18 February 2016 at 13:31, Colton Conor <colton.conor at gmail.com> wrote:
> So is the MX-104 processor really that underpowered? I have heard reports
> that is was too underpowered for its pricepoint, and now I am starting to
> believe it. Vincent what are your thoughts?
>
> On Wed, Feb 17, 2016 at 5:14 PM, Vincent Bernat <bernat at luffy.cx> wrote:
>
>>  ❦ 17 février 2016 22:56 GMT, Adam Vitkovsky <Adam.Vitkovsky at gamma.co.uk
>> > :
>>
>> >> Being a bit unsatisfied with a pair of MX104 turning themselves as a
>> blackhole
>> >> during BGP convergence, I am trying to reduce the size of the FIB.
>> >>
>> > You mentioned earlier that this is a new installation so why not use
>> > routing instance for Internet which allows you to use PIC with your
>> > current version of code and save you all this trouble duck-taping the
>> > solution together.
>>
>> You are right. I didn't understand your answer the first time as I
>> thought that PIC was for "programmable integrated circuit", so I thought
>> this was a plan for Juniper to fix the problem with some dedicated piece
>> of hardware.
>> --
>> Truth is the most valuable thing we have -- so let us economize it.
>>                 -- Mark Twain
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