Glossary
802.1q IEEE 802.1q is an industry-standard VLAN trunking protocol that enables a single link to carry the traffic of multiple VLANs.
AC An attachment circuit is the customer connection to a service provider network. An AC may be a physical port or a virtual port and may be any transport technology (for example, Frame Relay DLCI, ATM PVC, or Ethernet VLAN). In the context of a VPLS, an AC typically is an Ethernet port.
Agg Aggregation is an Ethernet switch that aggregates several access switch connections for onward connection to the N-PE.
BFD Bidirectional Forwarding Detection provides a rapid and consistent method of link, device, or protocol failure detection. BFD can be used with BGP, IS-IS, EIGRP, OSPF, and MPLS-TE protocols. ...
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