https://community.extremenetworks.com/t5/extremeswitching-exos-switch/issues-after-power-cut/m-p/97428#M22094 <P>The 670G2 has lots of problems with the flash. Check for errors relating to that. A complete reformat may solve this. I seem to recall there is a BIOS fix/upgrade for this platform as well.</P><P>Removing it should not cause any problems, but make sure all stack links are good before breaking anything! Switches 1-4 should be OK after removing #5. There are docs describing the process in detail (I'm sure). Connect via a serial cable if possible. Telnet is never an option, but SSH is...</P> Fri, 29 Sep 2023 12:37:28 GMT FredrikB-NN2 2023-09-29T12:37:28Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/issues-after-power-cut/m-p/97425#M22092 <P>Hello all</P><P>We have an extreme stack of 5 switches (X670-48x) but after a power cut to our site one switching is playing up and we are having odd issues which seem to point to slow networking.</P><P>The switch that seem to be affected (Slot 5, Role Standby) is no longer needed as we had re-routed all connections away from this switch with a view to removing it, I would now like to remove it from the stack but as this stack is our core switch, I am a little nervous about running this command (unconfigure slot “slot-number”) assuming this is the correct way of doing this?</P><P>I am looking for some advice please?</P><UL><LI>Do I run this command from?</LI><LI>Telnet session to the stack?</LI><LI>Telnet session direct to the Master node?</LI><LI>A console cable directly connected to the master node?</LI></UL><P>&nbsp;</P><UL><LI>What happens when the switch is removed</LI><LI>Do the remaining switches reboot?</LI><LI>Is the configuration still validate on Switches 1 through 4?</LI></UL><P>Any and all advice would be much appreciated.</P> Fri, 29 Sep 2023 09:11:32 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/issues-after-power-cut/m-p/97425#M22092 Darren_Bowring 2023-09-29T09:11:32Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/issues-after-power-cut/m-p/97428#M22094 <P>The 670G2 has lots of problems with the flash. Check for errors relating to that. A complete reformat may solve this. I seem to recall there is a BIOS fix/upgrade for this platform as well.</P><P>Removing it should not cause any problems, but make sure all stack links are good before breaking anything! Switches 1-4 should be OK after removing #5. There are docs describing the process in detail (I'm sure). Connect via a serial cable if possible. Telnet is never an option, but SSH is...</P> Fri, 29 Sep 2023 12:37:28 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/issues-after-power-cut/m-p/97428#M22094 FredrikB-NN2 2023-09-29T12:37:28Z