BGP Advanced Routing This appendix provides an overview of SonicWALL’s implementation of Border Gateway protocol (BGP), how BGP operates, and how to configure BGP for your network. NOTE: BGP is supported on the TZ 400, TZ 500, and TZ 600 appliances with the purchase of a SonicOS Expanded License. BGP is not supported on the TZ 300 appliance. Topics: • BGP Overview • Caveats • Configuring BGP • Verifying BGP Configuration • IPv6 BGP • BGP Terms