About this guide

This guide describes details pertaining to Integrated Services Adapters (ISAs) and Extended Services Appliances (ESAs) and the services they provide. ISA may refer to ISA2 or an ESA-VM unless otherwise specified.

This guide is organized into functional chapters and provides concepts and descriptions of the implementation flow, as well as Command Line Interface (CLI) syntax and command usage.

Note: Unless otherwise indicated, this guide uses classic CLI command syntax and configuration examples.

The topics and commands described in this document apply to the:

7450 ESS
7750 SR
VSR

Table: Supported SR OS router chassis types and service hardware lists the available chassis types for each SR OS router and the supported service hardware (ISA or ESA).

Table: Supported SR OS router chassis types and service hardware
Service hardware support	7450 ESS	7750 SR
ISAs	7450 ESS-7/12	7750 SR-1e/2e/3e 7750 SR-7/12 7750 SR-12e
ESAs	-	7750 SR-7/12 7750 SR-12e 7750 SR-2s 7750 SR-1 7750 SR-1s 7750 SR-7s 7750 SR-14s

For a list of unsupported features by platform and chassis, and for services supported by ISAs and ESAs, see the SR OS R22.x.Rx Software Release Notes, part number 3HE 18412 000 x TQZZA.

Command outputs shown in this guide are examples only; actual displays may differ depending on supported functionality and user configuration.

Note: The SR OS CLI trees and command descriptions can be found in the following guides:

7450 ESS, 7750 SR, 7950 XRS, and VSR Classic CLI Command Reference Guide
7450 ESS, 7750 SR, 7950 XRS, and VSR Clear, Monitor, Show, and Tools Command Reference Guide (for both MD-CLI and Classic CLI)
7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI Command Reference Guide

Note: This guide generically covers Release 22.x.Rx content and may contain some content that will be released in later maintenance loads. See the SR OS R22.x.Rx Software Release Notes, part number 3HE 18412 000 x TQZZA for information about features supported in each load of the Release 22.x.Rx software.