IP address changed in the interface

[ashz14387]

I have been monitoring Cisco Catalyst 3560X-24 using NPM, suddenly the ip address of the switch changed from 10.10.10.2 to 0.0.0.0 what will be the causes of that 

[Flavio Miranda]

Hi

 If the switch is using DHCP for management it could be a fail while renewing the IP address. But, if the switch is using static IP address it can be a fail while fetching the interformation on the switch.

 It is easy to validate. Just run a ping to the switch IP and monitoring the ping. If the ping does not drop when you see this information on the tool, there might be a problem on the information fetching.

 I never so a device change a static IP address with no reason.

[ashz14387]

my question is why the switch changes its ip to 0.0.0.0  if the renewing the ip address form dhcp server fails

[MHM Cisco World]

Correct if the hosr failed to get IP from DHCP server it will get ip from 169.... 

[Flavio Miranda]

It is related to the code implementation. For example, Windows machine when fail to get an IP address will use APIPA address ( 169.254. 0.0) because Microsoft told it so.

 But, probably Cisco did a different implementation and stablished that when failing to get an IP address use 0.0.0.0

If I am not wrong, tihs comes from Unix implementation.

[MHM Cisco World]

I run lab there is no 0.0.0.0 still the interface show unassigned

[M02@rt37]

hello @ashz14387,

could you please give us the interface's configuration? 

As @Flavio Miranda say, probably DHCP on the corner!

[MHM Cisco World]

Check if the SW is reload'