We've just set up our first stack of S1500-48ps, and are having some difficulty. This stack replaced a work stack, and was uplinked into an existing network that's been chugging away for a decade or so.
At first, we couldn't get the voip-profile to work consistently with our Avaya IP phones. Configuring a set of ports to trunk mode made those work - though I don't know why they didn't work in the first place.
Then our network printers were failing to get DHCP assigned IPs.
I can see the requests in the server's logs - but when I ping the management IP on the S1500, I get no reply. Other switches, other machines are able to ping the management IP - though not from the same switch. Other clients on the stack can get DHCP assigned addresses without issue.
To make matters stranger, if I ping from the switch to the server - it can then ping the switch for a short time. It's almost as if some sort of arp filtering is happening, but I can't figure out why.
I have disabled mstp completely on the switch, tried moving the printers to trunk ports, verified that their MACs are being learned all the way to the server...
Seems like there's some failure to broadcast somewhere along the line. I've tried disabling all the storm-control options I could find, but that didn't have a visible effect.
Edit: I still have no idea what's going on with pinging the S1500, or DHCP failures, but putting in a static IP address on the printers didn't work until I also put in a default gateway. Which is ludicrous!
I feel like there's a critical piece here, but not sure what it is.
Further edit:
I disabled stp on the Extreme switch this stack is uplinked to, and the printers started working perfectly.
Now the IP phones refuse to get an IP address, though... What a mess.