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How to rename a source fire hostname in Cisco ASA5508-X

Answered Question
Jun 14th, 2017
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I've three Cisco ASA5508-X with firepower. I want to know how to change the hostname int he SFR module? what is the command to change the SFR hostname to a new name and how can I change it with ASDM? Do I have to reboot after the name change?

Correct Answer by Marvin Rhoads about 1 month 1 week ago

The connection between FMC and its managed sensors is linked to their respective IP addresses.

Only if you were to change the IP address of a managed sensor would you need to remove and re-add from the FMC side. Similarly from the sensor side you would only need to "configure managers remove" and "configure managers add" if the IP address of the FMC changed.


Correct Answer by Marvin Rhoads about 1 month 1 week ago

Moved this thread from the incorrect API sub-forum to the correct one (Firepower / FireSIGHT System).

FMC changes would not be appropriate as the original post indicated he is managing his module with ASDM. Also, the name in FMC Device Management is locally significant to FMC and changing it does not represent a policy change that is deployed to any managed sensor.

To change the hostname of the ASA FirePOWER service module, one would have to do that from the module cli itself. That bit of the configuration is not exposed via the ASDM GUI.

Here's the relevant command:

Cisco Fire Linux OS v6.2.0 (build 42)
Cisco ASA5515 v6.2.0.2 (build 51)
> configure network hostname

configure network hostname <hostname>
Set the hostname

hostname Fully qualified hostname

>
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pdemeyerhlc Thu, 07/06/2017 - 07:23
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You can do this from the FMC under Devices and Device Management select your device to rename click edit, and then select the Device tab. The first section click on the edit pencil and you should be able to rename the device. Dont forget to save and apply.

Correct Answer
Marvin Rhoads Thu, 07/06/2017 - 08:04
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  • Hall of Fame,
  • Cisco Designated VIP,

    2017 Firewalling, Network Management, VPN

Moved this thread from the incorrect API sub-forum to the correct one (Firepower / FireSIGHT System).

FMC changes would not be appropriate as the original post indicated he is managing his module with ASDM. Also, the name in FMC Device Management is locally significant to FMC and changing it does not represent a policy change that is deployed to any managed sensor.

To change the hostname of the ASA FirePOWER service module, one would have to do that from the module cli itself. That bit of the configuration is not exposed via the ASDM GUI.

Here's the relevant command:

Cisco Fire Linux OS v6.2.0 (build 42)
Cisco ASA5515 v6.2.0.2 (build 51)
> configure network hostname

configure network hostname <hostname>
Set the hostname

hostname Fully qualified hostname

>
pdemeyerhlc Thu, 07/06/2017 - 10:28
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Wouldnt that also force you to remove the device from FMC and then re-add? or would you also have the make the FMC change separately?

Correct Answer
Marvin Rhoads Thu, 07/06/2017 - 18:43
User Badges:
  • Super Silver, 17500 points or more
  • Hall of Fame,
  • Cisco Designated VIP,

    2017 Firewalling, Network Management, VPN

The connection between FMC and its managed sensors is linked to their respective IP addresses.

Only if you were to change the IP address of a managed sensor would you need to remove and re-add from the FMC side. Similarly from the sensor side you would only need to "configure managers remove" and "configure managers add" if the IP address of the FMC changed.


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