Packet Bridging Requirements

For packet bridging to work properly, it is important to have an attached router on the Ethernet side that provides advanced functions. Specifically, the router should support:

  • VLAN tagging for particular IP addresses/subnets—To support the routing function in the CTP system.

  • Per-VLAN bandwidth shaping—To avoid overloading the CTP bridged Ethernet-to-serial link with too much bandwidth. Otherwise, packets will eventually be dropped because the serial packet driver to the line will not be able to accept the packet.

  • Per-VLAN pps shaping—To avoid overloading the CTP system with too high of a packet rate.

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