I would like my PAN 5060 to learn one route from my OSPF infrastructure generally - but no others. The idea is that when this route is availalbe traffic would flow to the inside trusted interface of the PAN. But if that route drops out due to WAN circuit outage then a higher cost static route on the PAN would send the traffic down an IPSec tunnel. The group here has been relucant to have the PAN partipate in OSPF for design reasons I'm not sure of. But should my limited use of OSPF as in this example work? Thank you.
More details on design and network topology would help to suggest better. In general, it is hard for you to decide which route to accept in OSPF. You can ofcourse put your PA as a Total Stub so that it wont accept any Type3,4,5. However you need to design it properly as other OSPF speaking neghbors will also be affected.
As another option, this could be accomplished with Polciy Based Routing and a monitor.
Have a static route that points all traffic out the secondary ISP.
Since PBF takes place prior to static routing, everything will go down the primary ISP via the PBF rule. If the IP in the Montior is unreachable, then the PBF is disabled and traffic will follow the static route you have defined to send down the secondary ISP.
Once the primary ISP is available again, the monitor will notice and reenable the PBF so then all traffic will flow down the primary ISP path.
Additional detailed info:
Hope that helps.
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