Organization....................................................................................................................................................17

Documentation................................................................................................................................................17

About the Avaya Secure Router Documentation CD......................................................................................17

Navigation.......................................................................................................................................................18

Printing Documents.........................................................................................................................................18

Customer service............................................................................................................................................19

Getting technical documentation............................................................................................................19

Getting product training..........................................................................................................................19

Getting help from a distributor or reseller...............................................................................................20

Getting technical support from the Avaya Web site................................................................................20

Chapter 3: Secure Router Basics...........................................................................................21

Default Login Parameters...............................................................................................................................21

Default settings...............................................................................................................................................21

Enable Telnet Server.......................................................................................................................................21

Enable Web User Interface.............................................................................................................................22

Applying licenses............................................................................................................................................22

Daylight Saving Time support.........................................................................................................................23

Multiple SNTP Server support.........................................................................................................................23

Multiple Syslog Server support.......................................................................................................................25

Top command..................................................................................................................................................26

Reading system.cfg from an alternate drive at startup....................................................................................26

banner.txt file...................................................................................................................................................26

Chapter 4: Source IP Enhancements.....................................................................................27

Chapter 5: Multiple IP Helper Addresses on VLAN..............................................................31

Chapter 6: TCP MSS Clamping..............................................................................................33

Chapter 7: IP MULTIPLEXING.................................................................................................37

IP Unnumbered Auto-Configuration................................................................................................................37

Configure the Secure Router 1000 Series at Site A...............................................................................39

Configure the Secure Router 1000 Series at Site B...............................................................................39

Chapter 8: DHCP Relay...........................................................................................................41

Feature Overview............................................................................................................................................41

Functionality....................................................................................................................................................41

BOOTP Requests...................................................................................................................................41

BOOTP Replies......................................................................................................................................42

Using DHCP Relay with NAT..........................................................................................................................42

Command Line Interface.................................................................................................................................43

Enabling DHCP Relay............................................................................................................................43

Disabling DHCP Relay...........................................................................................................................43

Configuring the Gateway Address field when NAT is enabled...............................................................44

Displaying DHCP Configuration.............................................................................................................44

Avaya Secure Router 1000 Series Configuration Guide

Contents

December 2010