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157 Posts

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November 25th, 2014 11:00

Powerconnect 2848 - Not saving between reboots

Our Powerconnect 2848 isn't restoring certain settings after a reboot. I change the time and date in the web GUI, restart the switch, and the time/date reverts back to Jan 1 2000.

Likewise, I change a VLAN subnet to /23 and when I restart the switch, it's back to /24.

Other changes to the switch stick fine. Just not the time/date and this subnet change.

It's almost like my "running config" isn't saving to my "saved config". What's the trick to get those setting changes to stick? Thanks!

2 Intern

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157 Posts

November 25th, 2014 12:00

In the CLI, we tried to use copy running-config startup-config but it didnt work. The error message is:

net-sw-08# copy running-config startup-config
Source And Destination URL combination is not supported

There's no NTP server configured. There isn't even a way to configure one for the switch. You can just change the time in the GUI, and that change sticks until a switch reboot.

There is a firmware revision for this switch but it makes no mention of fixing either of these issues. In fact the version notes make no mention of anything that we'd want to update the firmware for. The issues that the firmware resolves has nothing to do with anything we need.

Again, if I use the web GUI to make other changes, those changes work fine. It just won't save the time change nor the subnet mask change after a reboot.

1 Message

January 12th, 2015 11:00

You can use tftp to copy the existing image on the device to your computer.  Then upload the new one per the instructions in the manual, reboot the switch, and see how it operates.  If you don't like how it's operating, replace the new boot image with the one you saved via tftp.  As for some kind of time config, I'm looking for the same thing.  Haven't found it yet, if it exists.

3 Posts

February 14th, 2015 09:00

By the way, I just updated the firmware, which now shows 1.0.0.45.  We can set the subnet to 255.255.252.0 and it works until power loss or reset through the GUI, then reverts back to  255.255.255.0.  Help!

2 Posts

December 25th, 2015 10:00

Same problem here. My PowerConnect 2848 doesn't save the hour after reboot. Any idea? Thanks

1 Message

November 17th, 2016 05:00

I can also confirm that the issue is still present with the latest release.

It really *** us at a clients site after the switches had been up for so long.

their subnet is a /22 and when they reloaded due to power they lost subnet and gateway, this caused a ton of ARP issues which took hours to track down as it wasn't so obvious to begin with.

Setting this info again sticks until of course you reload the switch.

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