[j-nsp] high 10GE port density in EX switch?

[Brent Jones]

There is always the EX4550, 32 10Gb ports in 1U, with a module to add
8 more I believe

On Sat, Feb 2, 2013 at 1:43 PM, Eugeniu Patrascu <eugen at imacandi.net> wrote:
> On Sun, Dec 16, 2012 at 4:13 AM, Michel de Nostredame
> <d.nostra at gmail.com> wrote:
>> Hi There~
>>
>> One of my customers has some Cisco Nexus 7K but budget wise prevents
>> him from buying N7K in new locations. His environment is pretty simple
>> and straight forward. Lots of 10GE ports (around 2200 ports) divide
>> into around 30+ VLANs. Then uplink to two MX routers (the border) and
>> go to Internet.
>>
>> Previous setups were using N5K as L2 access switch and aggregate to
>> N7K as core L3 switch, then multiple 10GE L3 uplinks to MX480. The N7K
>> is doing VLAN routing and lots (total 3+ thousand lines) of ACL.
>>
>> The QFX total solution looks pretty interesting, but does not have too
>> significant price difference compares to Nexus solution.
>>
>> Will Juniper ship new switch fabric on EX 8000 series to support
>> line-rate high port density 10GE? (for example, 40 port line rate 10GE
>> per slot.)
>>
>
> If you do not really need line rate 40 x 10Gbps ports you can go with
> EX8200-40XS and fill a 8216 with them. It's oversubscribed 5:1 in 5x8
> port groups.
> Another option for a lot of 10G ports would be a stack of EX4500
> switches, but you would still be limited by the Virtual Chassis
> available bandwidth (128Gbps Half-Duplex) - but if you can get some
> flexibility as you can try to mix and match servers that talk to each
> other on the same switch in order to have line rate 10G traffic and
> avoid VC traffic. You can use the up-link modules to populate them
> with 10G ports and do a MC-LAG to the MXs.
>
> Even with the QFabric, you would still need to run a lot of 40G
> interconnect ports in order to have a high throughput fabric
> backplane.
>
> Other vendor that might do (you should check with them) full line rate
> 40+ 10GbE ports is Brocade with the new VDX 8770-8 switch (they claim
> 4Tbps/slot and 384 ports per 15U chassis).
>
> HTH.
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-- 
Brent Jones
brent at brentrjones.com