Error message during commit: "Interface x/y has overlapping subnet"

48546

Created On 09/25/18 17:19 PM - Last Modified 02/13/24 02:47 AM

Initial Configuration

9.1

10.2

10.1

Next-Generation Firewall

Symptom

The symptom can be explained with an an example

Interface 1/4 is configured with IP address of 192.168.1.1/24
Interface 1/6 is configured with IP address of 192.168.1.2/24
Commit error is displayed when both the interfaces are in the same virtual router.

In virtual-router default: address 192.168.1.1/24 on interface ethernet1/4 has overlapping subnet with address 192.168.1.2/24 on interface ethernet1/6.(Module routed)
Commit failed

Environment

Palo Alto Firewalls
Supported PAN-OS
Commit

Cause

Overlapping Subnet is not supported unless the interfaces are in different virtual router.

Resolution

Overlapping subnets are supported only when each overlapping interface/sub-interface is in a separate virtual router.
To resolve, Change the IP address of the second interface to a different subnet or move the second interface to a different virtual router.

Error message during commit: "Interface x/y has overlapping subnet"

Symptom

Environment

Cause

Resolution

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