Got two Cisco ISR 4431 as border routers peering with 2 ISP. Got PA-850 that I need to configure as:
Any configuration example out there that can assist will be really appreciated
Hi @usaiatawakevou ,
PA does not support routing without an IP address. I would put 2 switches in the middle for redundancy, but if you don't want to do that you could configure IRB on the 4431s so that Gi0/0/0 and Gi0/0/1 are in the same subnet.
With regard to BGP, the PA is RFC compliant and can form the iBGP neighbor.
You listed what you want to configure, not what you're trying to accomplish.
When you say IP unnumbered, does that mean you want to use vwire? What are you trying to do with OSPF and BGP? Egress and Ingress paths? Full tables/provider table/default? Are there public resources behind the PA? A/A vs A/P? Is there a reason you don't have L2 switch between the FW and routers?
Without knowing what you're trying to do, it's hard to provide any feedback.
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