C9300-48UN-A is mGig switch ?

[jegan_rajappa]

As per 9300 datasheet ordering information, C9300-24UX-A product description says "Catalyst 9300 24-port modular uplinks mGig UPOE, Network Advantage" and C9300-48UN-A product description says "Catalyst 9300 48-port modular uplinks 5G UPOE, Network Advantage"

If you see product description, C9300-24UX-A says mGig, but for C9300-48UN-A it doesnt say mGig, however it says 5G.
so i am wondering whether C9300-48UN-A would support 2.5G or 5G mGig speed or not

[joey.debra]

Hi, the C9300-48UN is an mGig switch but limited to 5GE per access port.
So all 48 ports are 100/1000/2500/5000 Mbps with 60Watt UPoE.
It also supports all C9300 uplink modules, so to pair all those 5Gig ports it's recommended to have 2x25Gig uplinks at least.

[jegan_rajappa]

Thanks Joey. I was bit confused that product description doesn't say it as mGig switch, however it supports 2.5G and 5G (mGig) speeds.

[Leo Laohoo]

48U means mGIG, HOWEVER, only (any) 12 ports will be able to support mGIG.
Let's say that all 48 ports are loaded and, say, you have downstream clients connected to port 1 to 6 and 31 to 38. Now that is >12 ports.
So if the switch boots up, ports 1 to 6 and port 31 to 36 can support mGIG. Ports 37-38 cannot be configured for mGIG.
Hope this makes sense.

[jegan_rajappa]

I think you are referring C9300-48UXM which has 12x10G (mGig) ports and 36x2.5G ports.

C9300-48UN-A has 48x5G ports.