Configuring AS Number Greater Than 65536 Produces Error Message

Issue

When attempting to configure AS (Autonomous System) number greater than 65536 (2-bytes), and error message is generated:

    # set template SC-DRT config network virtual-router test protocol bgp local-as 123456
    
    Server error: > protocol > bgp constraints failed: Local-AS number does not fit in 2-byte AS format > protocol > bgp is invalid

Resolution

Under Network > Virtual Routers, click desired route, and then go to BGP > General.

As shown below, by default, Palo Alto Networks firewall only allows a 2 Byte long AS Number, which is 65536:

A screenshot of a computer AI-generated content may be incorrect.

Change it to 4 Byte and configure AS from 1-4294967295:

A screenshot of a computer AI-generated content may be incorrect.