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BNG L2 for VLAN/Q-in-Q Networks
The development of the BNG function began with the 6th Stingray Service Gateway version. It implemented BNG L3 connectivity for processing IPoE traffic and applying policing to the IP address received by the subscriber from the Stingray SG. Version 7.0 expanded the capabilities of BNG, which also works at the L2 link layer in VLAN and Q-in-Q networks.
BNG for Internet Service Providers
BNG can be organized in several ways: hardware, software on x86 server and Linux-based solution. Let's compare the pros and cons of each option.