Re: Hi-Rise Building Fiber Suggestions

[Tim Požár <pozar () lns com>]

Also, Juniper switches will stack over fiber.  I have deployed Virtual
Chassis over multiple IDFs.  The VC ports can be (and highly suggested)
to be in a ring.

https://www.juniper.net/documentation/en_US/junos/topics/concept/virtual-chassis-ex4200-overview.html

https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/virtual-chassis-ex4300-configuring.html

On 2/25/20 6:32 PM, Norman Jester wrote:
> I’m in the process of choosing hardware
> for a 30 story building. If anyone has experience with this I’d appreciate any tips.
>
> There are two fiber pairs running up the building riser. I need to put a POE switch on each floor using this fiber. 
>
> The idea is to cut the fiber at each floor and insert a switch and daisy chain the switches together using one pair, 
> and using the other pair as the failover side of the ring going back to the source so if one device fails it doesn’t 
> take the whole string down.
>
> The problem here is how many switches can be strung together and I would not try more than 3 to 5. This is not 
> something I typically do (stacking switches). I have fears of STP and/or RSTP issue stacking past Ethernet switch to 
> switch limits (if they still exist??)
>
> Is there a device with a similar protocol as the old 3com (now HP IDF) stacking capability via fiber? 
>
> I’d like to use something inexpensive as its to power ubiquiti wifi on each floor.  Ideally if you know something I 
> don’t about ubiquiti switches that can do this I’d appreciate knowing.
>
> Norman