[j-nsp] Juniper MX5 vs Brocade CER

[Darren O'Connor]

Why then does Juniper say it can hold 1 million in FIB?

> Date: Mon, 22 Oct 2012 13:45:07 +0300
> From: saku at ytti.fi
> To: juniper-nsp at puck.nether.net
> Subject: Re: [j-nsp] Juniper MX5 vs Brocade CER
> 
> On (2012-10-22 08:57 +0100), Darren O'Connor wrote:
> 
> > CER-RT supports 1.5 million IPv4 in FIB, MX only does 1 million. However the CER-RT uses a slightly slower ram to hold these routes as opposed to TCAM for it's MLX/XMR bigger brothers. I'm not 100% sure what the performance knock for this is as I've not done extensive testing.
> 
> MX5 is Trio based platform so it has 256MB RLDRAM for FIB. It can hold
> significantly more than 1.5M routes. And it's unlikely you're going to be
> unhappy with FIB scaling on MX5, you're going to be hit by control-plane
> scaling first.
> MX5 does have TCAM in LU, but it's not used for anything, AFAIK.
> 
> -- 
>   ++ytti
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