This topology uses the customer’s existing Internet internet circuits. The IPsec tunnels are usually terminated directly on the customer’s firewall or VPN device. This topology is typically used when the Peeredge Switches are SBC is hosted in the 46Labs Public Cloud 46 Labs public cloud and: A
a media flow-around (anchor media disabled) design is required
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the PBXs and customer end-points are configured with private IP addresses and
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do not fully support Network Address Translation (NAT).
PROs
CONs