Initial config query! We currently have 2 leased lines going into a managed switch for failover capabilities with then a single cable going into our existing firewall (Zywall).
This weekend we would like to switch out the existing firewall with our new PA-850 but retain the managed failover switch within the dataflow (this will be replaced in a months' time so that both leased lines go directly into the PA-850).
On our current firewall, the port connected to the managed switch is configured as:
Subnet Mask: 255.255.255.240
As I try to configure the interface on the PA-850, I've assigned ethernet1/1 as a Layer3 interface with a static IP address using the same xxx.xxx.xxx.21 but am unsure if this is the best way and if I need to enter the subnet mask and gateway information anyway.
In terms of data flow:
Internet > ISP1 router + ISP2 router> Switch handling failover > Ethernet 1 on PA-850
Advice would be appreciated.
Many thanks in advance
While I cant recall ever doing it with one port, it might be possible if you use sub-interfaces.
I tend to make my physical ports layer2 and then make a layer 3 vlan, but thats more preference than anything.
Hope that helps.
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