does anyone have any information on how to set up the bgp.cnf to route across a VPN?
I cannot find any info in the documentation.
Hello!
You will probably need GRE over IPsec as the GRE will route at a layer 2.
Here is a specific document
http://ftp1.digi.com/support/documentation/qn_020_gre_over_ipsec_with_bgp.pdf