If you are limited on fiber runs, how about using 10Gb BiDi optics to limit a ring to say two sets of 15 switches.
Tim On 2/25/20 8:21 PM, Bradley Burch wrote: > Should consider DWDM or GPON and in those look at passive optical > technologies that can benefit the project. > >> On Feb 25, 2020, at 9:33 PM, Norman Jester <n...@jester.mx> 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 >>
