Juniper Networks 8 manual Modules, Representative Line Module

Figure 11: Representative Line Module

Ejector

Status LEDs

Board reset button

NMI button

Packet Classification

ERX Overview

Midplane connectors

g013737

Most line modules support packet classification on ingress; some non-ASIC line modules do not. A classification engine on the line module matches specific fields (such as source and destination IP address, source and destination port, and protocol), the ingress IP interface, layer 2 fields, or some combination

of these against user-configured filters at wire speed.

I/O Modules

Most line modules have a corresponding input/output (I/O) module that provides the physical interconnection to the network. Insert each I/O module into the back of the system, directly behind its corresponding line module.

For information about which line modules pair with which I/O modules, see the ERX Module Guide. See Figure 2, Figure 4, and Figure 6 for locations. For details about installing I/O modules, see “Installing Modules” on page 35.

ERX Modules 15