Glossary
2-WAY/DROTHER A DROTHER is a router that is neither the DR nor the BDR but has a neighbor relationship with another DROTHER. These two neighbors exchange Hello packets.
2-way state Designates that bidirectional communication has been established between two routers in OSPF. The term is also referred to as Two-Way state and occurs after the Init state. Bidirectional means that each router has seen the other’s Hello packet.
A
access control entry (ACE) A single line in an ACL. Also known as an ACL statement.
access control list (ACL) A series of ACEs that controls whether a router forwards or drops packets based on information found in the packet header.
active state In EIGRP, a state in which there is no feasible successor in the topology ...
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