Difference between revisions of "Password Recovery for Nexus Switches"

Revision as of 13:44, 2 February 2015

On a Windows PC, change the keyboard layout to en-US
Connect to the Nexus switch directly via serial console (not over ssh/telnet/Opengear etc.) using TeraTerm or PuTTY
Power on the device
Wait until kickstart image has booted and the POST messages have appeared.
Right after the massage Checking all filesystems....r. done. has appeared, issue the break sequence to get to the switch(boot)# prompt.
- The break sequence is Ctrl + ], i.e. hold the Control-Key and hit the closing square bracket.
- On a german keyboard (with US keymap activated) the Control-Key is Strg and the closing square bracket ist in the + * ~-Key.
Enter the conf t command
Type admin-password Ad123min
Type exit
Type dir bootflash: to view bootflash content
Boot the system image, for example load bootflash:n5000-uk9.5.1.3.N2.1b.bin
Enter the switch with username admin and Password Ad123min

@@ Line 1: / Line 1: @@
-* Connect to the Nexus switch ''directly'' via serial console ('''not''' over ssh/telnet/Opengear etc.)
+* On a Windows PC, change the keyboard layout to <code>en-US</code>
+* Connect to the Nexus switch ''directly'' via serial console ('''not''' over ssh/telnet/Opengear etc.) using TeraTerm or PuTTY
 * Power on the device
-* During system bootup, type <code>Ctrl-]</code> (<code>Ctrl</code>-Key and right square bracket, that's <code>Strg</code> + <code>Alt Gr</code> + <code>9</code> on german keyboards) multiple times and wait until you get to the <code>switch(boot)#</code> prompt.
+* Wait until kickstart image has booted and the POST messages have appeared.
+* Right after the massage <code>Checking all filesystems....r. done.</code> has appeared, issue the break sequence to get to the <code>switch(boot)#</code> prompt.
+** The break sequence is <code>Ctrl + ]</code>, i.e. hold the Control-Key and hit the closing square bracket.
+** On a german keyboard (with US keymap activated) the Control-Key is <code>Strg</code> and the closing square bracket ist in the <code>+ * ~</code>-Key.
 * Enter the <code>conf t</code> command
 * Type <code>admin-password Ad123min</code>