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I have the exact issue with my 6450. The fan is always at full speed while show chassis reports low fan speed. I just swapped in a quieter fan and haven't had an issue. No idea what the problem is.

Is there any way to see the stack port utilization of the icx6450s?

Yeah. It has a 3 port switch built in. I wish it was a simple ONT but the ISP doesn't allow any other devices. The model is an HG8045Q.

Yep. It's a regular E-ATX board, just highly stripped down. The seller was (maybe still is) selling the boards separately for cheap.

Pretty sure it's 1G, 10G or nothin.

Interesting, I didn't consider just using spanning tree. I'll give it a shot. Thanks!

Say I had a dumb switch (my ISP provided ONT / router / switch device) and a stack of 2 ICX switches. Is there any way to create a two link failover type lagg setup between the dumb switch that doesn't support LACP and the switch stack?

As already mentioned, the command is show license. You'll keep any license that's already on the device if you follow the guide.

Can anyone give me any insight on multicast? I have an experimental proxmox cluster that relies on multicast, and it seems to work fine in the default vlan. On a new vlan I created, multicast didn't work at all until I enabled multicast active and multicast version 3. Am I doing this right or...

Definitely works fine.

If anyone was curious, the rails for these are really nice. They snap into the rack in about 5 seconds from the front and also lock open with nice pull tabs to unlock. They have quite a few slots, and can probably be modified to fit a lot of different chassis. I know for sure that they match up...

Just wanted to let you know that the regular bios update works fine on these.

Dang. That 7250 would be absolutely perfect for my setup. I'm going to keep an eye out for a cheap one.

I don't think it's anything special. The board is listed on the supermicro site with a new bios version as of September this year.

It's a supermicro board so the update shouldn't be difficult .You just use a dos USB stick with a few files dropped on it.

I have a dual e5-2660 system on a supermicro board with 8 sticks of ram and a single SSD. It idles at just around 100 watts. These might be a bit lower since they're really bare motherboards.

From the layout of the 48P, it seems that the fans are basically just for cooling the PSU. There's essentially no airflow between the POE board and the mainboard. It makes sense, considering the PSU is rated at almost 900 freaking watts. It's the highest output power supply in my whole house.

Seller has the correct rails up for $35. They accepted $30.

Nice. I might go that route.

Possibly a dumb question, but if I were to stack a pair of 6450s with 2 10gb ports, can I use the remaining 2 10gb ports regularly?