Are Overlapping Subnets and Duplicate Hosts on Palo Alto Network Device Interfaces Supported ?
32358
Created On 09/25/18 17:19 PM - Last Modified 08/05/19 19:48 PM
Resolution
Overview
Yes and No, details below.
Details
Yes:
Overlapping subnets are supported only when each overlapping interface/sub-interface is in a separate virtual router.
For example:
Virtual Router1: 192.168.1.1/24
Virtual Router2: 192.168.1.2/24
No:
Duplicate host IP addresses are not supported
If overlapping subnets are not in separate virtual routers, the following error will be prompted and the commit will fail.

owner: sraghunandan
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