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Factory Reset HA pair of Cisco ASAs

irbk
Level 1
Level 1

I've got a pair of hosted Cisco ASA 5525's in an HA pair that are being replaced.  It's a bit of a weird situation because the hosting company owns the devices but they don't manage the devices.  Because they don't manage the devices, they won't perform a wipe on the devices.  The responsibility is on me to wipe the devices, but I have to do it remotely.  I know I could run a "configure factory-default" From the CLI or probably even do the "Reset Device To the Factory Default Configuration" from the ASDM.  My question comes with the HA part.  If I run this on one of the devices, will the other device also run the factory reset?  Or will the factory reset only reset whatever device I just ran the reset on and then I'd have to run it a 2nd time on the 2nd device?

TIA! 

8 Replies 8

@irbk 

 I would log into the standby and run the command "write erase" and reload. You will lost access to the standby. Then, log on the active one and repeat the process.

Which would be a reasonable approach, but I actually only have access to 1 of the devices now.  Just sort of a single patch into the primary device.  Hosting company would probably charge me to move the cable to the secondary device too.  So stupid that they won't wipe devices they own.

@irbk 

From active "failover exec standby  write erase" , "failover exec standby reload"

Appreciate the attempted assist but I get a [FAILED] error when I try that.

ASA-Primary# failover exec standby write erase
Erase configuration in flash memory? [confirm]
[FAILED]

shame on you ASA! LOL  but it could be due the criticity of the command.  I actually never did it before. 

Yeah, I think I'm just going to have to pay them to move the cable to the secondary and wipe them separately.

Sounds like a plan.

The following commands are replicated to the standby ASA:

  • All configuration commands except for mode, firewall , and failover lan unit

  • copy running-config startup-config

  • delete

  • mkdir

  • rename

  • rmdir

  • write memory

The following commands are not replicated to the standby ASA:

  • All forms of the copy command except for copy running-config startup-config

  • All forms of the write command except for write memory

  • debug

  • failover lan unit

  • firewall

  • show

  • terminal pager and pager

So factory is replication from active to standby 

MHM

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