I've worked w/ Netscalers in the past, and been very happy.  Unfortunately, 
we've got a need for a large amount of SSL traffic and the cost for F5 & 
Netscaler is likely out of our budget.

We're going to eval the units, and will make sure to test the failover heavily. 
 

They do include the CLI & SNMP with the units we're looking at.  


Matthew Barr
[email protected]
c: (646) 727-0535

On Feb 7, 2013, at 11:20 AM, Justin Ellison <[email protected]> wrote:

> We used them as well for a few years.  Morgan is spot-on.
> 
> We did have some outages caused by them -- the sync process used for failover 
> would fail, and then we'd end up with split brain conditions where one would 
> die and the other wouldn't become the primary.  If you look in their forums, 
> their primary niche market is Windows admins that don't know too much about 
> networking.  In other words, customers who just want a black box.
> 
> We also upgraded to F5's, and are very happy with the result.  Comparing the 
> two is like comparing a Kia to a BMW, both in features and in cost.
> 
> If HAProxy was then where it is now, I would have used HAProxy instead.  We 
> actually use HAProxy for some internal stuff, and it's a pleasure to work 
> with.  F5 gets away with charging what they do, because they truly are the 
> best at doing it.
> 
> All in all, I'd say we got our money's worth out of them, but I'd take a 
> different route if I were to do it again today.

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