cat 9200 config register

[cmarva]

just curious if anyone has seen this particular symptom. One, and only one, of our 9200s comes up with out of box config every time it reboots. after looking into it, the config register was set to 0x142, so it made sense and is easy enough to work around.

so we set the config register to 0x102. a sho ver at that time showed:

Configuration register is 0x142 (will be 0x102 at next reload)

we rebooted it, and it came  up with out box config, and a show ver showed:

Configuration register is 0x142 (will be 0x102 at next reload)

this thing just will not change to 102. It has undergone many reboots, and still says the above. I personally have never seen this happen with any platform. 

this is a C9200L-24P-4G currently running v16.12.4. but it exhibited the same with previous versions.

has anyone seen anything like this, or might have some advice on what to do? Thanks

[cmarva]

ok, just found this doc:

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-9300-series-switches/216850-configuration-register-equivalent-clis-i.html

so i will give this a try, posted at the end of february.

[Leo Laohoo]

If the switch is in ROMMON, post the complete output to the following command:

set

[cmarva]

that's the thing, it boots fine, just ignores nvram. Then we dial the modem (it's at a branch location), copy start tot urn and we're good until the next reboot. anyhow, I'm gonna try what's in this doc later tonight and see what happens

[Leo Laohoo]

---

@cmarva wrote:

it boots fine, just ignores nvram.

---

ROMMON command "set" will show us if password recovery is enabled or not.

Maybe the boot-variable string for the config is configured to something else.

[paul driver]

Hello
on cat9ks i think the config-register isn’t used or is ignored and boot commands are instead -try the following 

no boot manual

[KalinKrumov]

Hi,

I have the same problem.

I tested all of the things mentioned above, but they did not help me. The switch is 9200L, Version 17.3.4b

I configured a few switches with the same hardware and IOS but only one has this problem.

Regards,

Kalin

[KalinKrumov]

I resolved the problem after just typing the exact command "Write mem" or "Copy Run Start '' before "reload". During reload appear dialog, something as this:

Do you want to erase configuration (y,n,default)

I type "n" enter

The switch register now is 0x102 and looks well.

[Benjamink4c]

Reloaded the switch and went to ROMMON mode, change to boot from the startup-config

switch: SWITCH_IGNORE_STARTUP_CFG=0

The switch register is now Configuration register is 0x102.

All is OK now for me.

[egill]

I fixed the issue on my device with these commands:

no system ignore startupconfig switch all

config-register 0x102

[kanchwalaliasgar]

Hello Everyone,

I used this command to not ignore startup-config switch: SWITCH_IGNORE_STARTUP_CFG=0, but whenever i reload it goes back to romon mode, can someone please help?

Shw Ver: configuration register is 0x102 - i did some research and is looks like i need to change register so that it will boot startup-config but none of the available commands are working for me.

[msedo]

hello.

I have the same problem and i aplicatte the commands aforemenntioned, but, doesnt work, still start on ronmon state.

i am working hit cisco catalyst 9300 switch.

[Leo Laohoo]

If the switch is in ROMMON, post the complete output to the following commands: 

set
dir flash:

[jackowaty]

Did you try no system ignore startupconfig switch all ?