How do i remove this variable in ROMMON mode on WS-C3750V2-48PS-S

[lakshanindika]

i had to recover my cisco switch WS-C3750V2-48PS-S by copy image file to flash by using  copy xmodem::c3750-ipservicesk9-mz.150-2.SE11.bin flash: c3750-ipservicesk9-mz.150-2.SE11.bin command. it was successfully copied. i set to  baud rate to 115220  and  i changed back to baud rate 9600 after copied the file. and i made a mistake i  set wrong variable for baud rate "set baud?="  how can i remove baud?= from the system. i have attached image, please refer, please help me to this remove baud?= from ROMMON

Thanks

[balaji.bandi]

issue command again :

set BAUD 115200  or 9600

[lakshanindika]

Thanks for the reply
I issued a command but i could not remove baud?= variable on rommon. it
still shows

baud=9600
baud?=

i want to remove baud?= from rommon

Thanks

[balaji.bandi]

reload the device. 

[lakshanindika]

Thanks for the reply

I reloaded the switch but reload did not remove the baud?= parameter and i tried unset command it did not worked and i thought it might be case sensitive i tried set BAUD 9600 , it created another entry on rommon. when i issue set command on rommon now i see 

BAUD=9600

baud=9600

baud?=

question is how do i remove these parameters?

Thanks

[Leo Laohoo]

unset BAUD

NOTE:  Syntax is case sensitive.

[lakshanindika]

I issued set BAUD 115200 Command and changed back to BAUD 9600. command got effected and duplicated "baud=9600" show no more. that's good sign but i accidently created "baud?=" , I'm trying to remove using unset command to remove variable baud?=.

but i cant. how can i remove "baud?="

i have attached the photo please refer

Thanks

[Leo Laohoo]

---

@lakshanindika wrote:

but i cant. how can i remove "baud?="

---

Have you tried the command I have provided?

[lakshanindika]

yes I tried, I set BAUD 115200 and changed back to BAUD 9600, duplicate
disappeared
But still baud?= variable there, i wll attached a image for you understand
more. i used unset command but it did not work to remove baud?=
switch: unset baud?=
Variable baud?=" not set, or is readonly.

[redgasgiant]

See my attached screen grab. I have this issue as well, except I accidentally typed a lowercase "boot" when I was adjusting my boot image. Now I have a lowercase boot=flash:/cat9k...blah blah.bin in my variable list. ( and a unset:boot=flash:cat9k blah blah)  

How do we remove these variables? Will they harm anything? 

[Leo Laohoo]

If the switch is in ROMMON, use "unset boot<BLAH>". 

If the switch is not being used, perform an emergency-install.

[redgasgiant]

Awww. They took it away from me!
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9500/software/release/17-6/command_reference/b_176_9500_cr/system_management_commands.html?bookSearch=true#wp1226684560
"This feature is not supported on the Cisco Catalyst 9500 Series High Performance Switches." ( I have a c9500-24y4c)

[Leo Laohoo]

Oh wait ... 9500 does not support "emergency-install". 

So boot the firmware from the USB flash drive:  boot usbflash0:filename.bin. 

After the switch boots up, perform Install Mode.  

[redgasgiant]

That is a very nice and concise Upgrade PDF! Thank you!! But the reload of my cat9k 17.6.5 Bengaluru did not wipe out those ROMMON variables I have lingering... any other ideas?

[Leo Laohoo]

---

@redgasgiant wrote:
That is a very nice and concise Upgrade PDF! Thank you!!

---

Thanks.  I'm planning to write a "part deux" of the 9500 with a twist:  Install Mode + no-reboot (so network admins can reboot the switch at a later date).  

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@redgasgiant wrote:
But the reload of my cat9k 17.6.5 Bengaluru did not wipe out those ROMMON variables I have lingering... any other ideas?

---

If the switch is still in ROMMON, please post the complete output to the command "set".  If the switch is not in ROMMON, the command "sh romvar" will also suffice.

IMPORTANT:  Please do not provide screenshots.  Just copy and paste the output.