Juniper Networks® Field Guide and Reference

A

active route

Route chosen from all routes in the routing table to reach a destination. Active routes are installed into the forwarding table.

add/drop multiplexer

See [ADM]

Address Resolution Protocol

See [ARP]

adjacency

Portion of the local routing information that pertains to the reachability of a single neighbor over a single circuit or interface.

ADM

Add/drop multiplexer. SONET functionality that allows lower-level signals to be dropped from a high-speed optical connection.

aggregation

Combination of groups of routes that have common addresses into a single entry in the routing table.

ANSI

American National Standards Institute. The United States' representative to the ISO.

APS

Automatic Protection Switching. Technology used by SONET ADMs ...