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Solved
Could a GS748T kill a GS308e??
OK, this one is strange (to me). I thought all was going swimmingly with my new GS748Tv5... I even successfully changed the management VLAN after a heart-stopping pause. (It wouldn't talk to port...
I think I've solved this one. (Obviously) I can't be certain exactly what caused this...
(Background: my gs308e was working perfectly a few days ago. I logged in and recorded (manually) a few configuration parameters.)
Here's what I discovered through careful testing:
1) The gs308e no longer is willing to talk to modern browsers. AFAIK I didn't change anything. And the firmware is not new either. On a hunch, I tried a bunch of browsers...
2) It WILL talk to old IE, Internet Explorer. Unfortunately, my copy won't just open... now Microsoft Edge has mangled it and forces me to MS edge... and they claim I just need to use the built in "IE Mode" button.
3) IE Mode button doesn't exist. But google has an addon, "Legacy Browser Support for IE Mode in Edge". Install that. It works when you load the switch UI with this enabled!
4) Switch then complained about a bad password?!! Oh no... switch had fully reset itself!
Well, at least I have the switch back 😉
I think I've solved this one. (Obviously) I can't be certain exactly what caused this...
(Background: my gs308e was working perfectly a few days ago. I logged in and recorded (manually) a few configuration parameters.)
Here's what I discovered through careful testing:
1) The gs308e no longer is willing to talk to modern browsers. AFAIK I didn't change anything. And the firmware is not new either. On a hunch, I tried a bunch of browsers...
2) It WILL talk to old IE, Internet Explorer. Unfortunately, my copy won't just open... now Microsoft Edge has mangled it and forces me to MS edge... and they claim I just need to use the built in "IE Mode" button.
3) IE Mode button doesn't exist. But google has an addon, "Legacy Browser Support for IE Mode in Edge". Install that. It works when you load the switch UI with this enabled!
4) Switch then complained about a bad password?!! Oh no... switch had fully reset itself!
Well, at least I have the switch back 😉
PapaPeteH wrote:
4) Switch then complained about a bad password?!! Oh no... switch had fully reset itself!
This is not normal behavior. Strongly suggest doing a full factory reset.
System > Maintenance > Factory Default
or
Use the end of a paper clip or some other similar object to press and hold the Factory Defaults button on the front panel of the switch for at least two seconds
If a factory reset does not get rid of the unexpected factory reset, it's time for a warranty exchange.
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Providing every effort, I discovered a (factory new) GS308E for sale some 10 minutes driving from home. Convinced the seller, to pick-up the device, and half an hour later the switch was plugged, the MAC-DHCP reservation placed on my reliable security appliance, serving some 20 VLANs and IP subnets, and ensured an untagged network port (including some tagged VLANs) was available to connect the new baby.
Connected the new GS308E, updated the firmware from the factory version to the current V1.00.11EN, applied some basic config. Access using random Web browsers, including various VM with a 64bit Linux OSes. And it came as I expected: The switch remained accessible and workable normally....
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