Glossary
2-way state This state designates that bidirectional communication has been established between two routers. Bidirectional means that each router has seen the other’s hello packet.
Access Control Entry (ACE) A single line in an ACL. Also known as ACL Statement.
access control list (ACL) A series of IOS commands that controls whether a router forwards or drops packets based on information found in the packet header.
access layer A tier in the two- and three-layer hierarchical network design model where devices connect to the network and includes services such as power to network end points.
addressing table A table that captures device names, interfaces, IPv4 addresses, subnet masks, and default gateway addresses.
adjacency A relationship ...
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