[j-nsp] Upgrade from M10i?

[Alexandre Snarskii]

On Tue, Feb 03, 2009 at 05:23:27PM -0000, michael.firth at bt.com wrote:
> > Hi,
> > 
> > We have a number of M7i's and an M10i and are very happy with them.
> > 
> > However, we need to go to 10Gig shortly and I wondered if 
> > anyone could 
> > suggest what options are available. I understand Juniper have 
> > some new 
> > switches and wonderd if they might be suitable.
> > 
> > We need at least 4 x 10G ports and 8 x 1G ports, IPv4/IPv6, 
> > OSPFv2/OSPFv3, full BGP (peering/transit), no MPLS and that's about 
> > it.
> > 
[...]
> 
> The second option is the EX platform, if you make 2 EX 4200-24s into a 
> virtual chassis, and put the 2x10GigE uplink module into each one, you 
> can create a router / switch with 48 GigE ports and 4 10GigE ports. 
> This will be the cheapest option, but the code is still maturing, 
> and I'm not sure its capable of handling a full BGP table (I think 
> theres a sub-100,000 route limit).

There is 12.000 route-limit on small EX-switches, so they are not an 
option here... 
Well, there are 'big' EX-series switches (EX-8200) announced in December, 
and (by specifications) they will be able to hold a full-view, but as far 
as i know, they're not shipping yet. 

> The final, and probably best option, is the MX series. I don't have 
> any direct experience with this platform (yet), but you could use an 
> MX240 with a 10GigE and a GigE DPC-R which would meet your needs. 
> As others have said, and as with the EX option, you will have rather 
> more GigE ports than you wanted - 40 instead of 8.

I'm second for that option. May be not MX-240 but MX-480, that 
depends mostly on available power and rack space...