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08-08-2013 11:23 AM
I am Afraid if this will work.
The loopback IP address on the PANFW has to be a /32 IP address, and cannot have a /24 subnet. With that being said, even if the server 203.0.113.5/24 connects on an access port on the switch, and if the segment "VLAN 2000- Internet" is a trunk port carrying VLAN tagged traffic for the Vlan 2000, you should have a layer 2 port on the firewall configured as an access port for vlan 2000, from where the server can reach any of the hosts behind this port and that lie in the /24 range.
I would rather move the server behind the firewall, reachable on the vlan 2000 access port, and configure a vlan interface for the vlan 2000 (203.0.113.1/24), to serve as the gateway for the hosts on vlan 2000. I can then advertise the whole /24 address.
An advantage of this setup is that you can protect your server against any forms of attacks by using a zone protection profile on the firewall. Otherwise the server is left exposed and can be subjected to attacks from the internet ( that the switch may not block )
BR,
Karthik RP
