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Currently, all outbound requests use our first BGP neighbor to get to the Internet. I'm interested in sending guest wifi traffic, all NAT'd to a single IP, to the Internet via the 2nd BGP neighbor. I'm assuming the best way to do this is to just statically specify the next hop for that particular source IP?
At the moment the 2nd neighbor has a preference of 180, only intended to be used for outbound requests if the primary neighbor, with default preference, is unavailable. I'm glad to provide more information, just looking for some confirmation that we're on the right track and advice on any gotchas we might miss. Thanks.
You could use source based routing and have the guest WiFi prefix using a forwarding routing instance to go to the desired provider. A kb example is here.
You can use filter-based forwarding to direct the traffic from that source to the ISP2 via a forwarding-type routing instance.
There can be other possible ways as well, but more details with topology, NAT details, etc will help.
Jeff Rowan Poudre School District | I.T. Department
Network Engineer II