Thanks Mark, I haven't been aware of any buffer deficiency in my 4550's.  If 
something adverse is occurring, I'm not aware.

Thanks for the warning about large VC... I don't really intend on going past 
the (2) stacked.  After we outgrow it, I'll move on.


Aaron

> On Jul 7, 2018, at 3:02 PM, Mark Tinka <mark.ti...@seacom.mu> wrote:
> 
> 
> 
> On 7/Jul/18 20:01, Aaron Gould wrote:
> 
>> I love my dual-ex4550 data center virtual chassis's  However, I enabled mpls 
>> vrf on one recently and didn't feel very good about proceeding... So I will 
>> revert to pure ethernet switching, I put 40 gig into it and AE for fat 80 
>> gig pipe to PE...actually my Facebook FNA, Google ggc, Netflix oca and 
>> Akamai aanp, plus private data center stuff are all connected to that EX4550 
>> virtual chassis x2 for site diversity and redundancy.  That's how solid they 
>> are.  I depend on them for all that content... And have for about 5 years... 
>> Pretty much never a problem.  Rock Solid.
> 
> We've been super happy with the EX4550, save for two issues:
> VC bandwidth doesn't scale well. You have to be careful about having a large 
> EX4550-based VC, either in terms of member nodes or bandwidth being switched.
> Buffer memory is very low.
> The EX4600 only took the portfolio up to about 12MB of buffer memory, which 
> is peanuts. But, as I've mentioned before, the back-breaker was that ELS 
> debacle.
> 
> So bye-bye rock solid EX4550, hello Arista. Juniper royally messed with the 
> pooch on this one.
> 
> No point in us trying to maintain a platform that is now EoS, and very soon, 
> will be EoL.
> 
> Mark.
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