Alcatel-Lucent OmniSwitch AOS Release 6 - Page 5

Contents
OmniSwitch AOS Release 6 Switch Management Guide July 2010 v
Using Secure Shell ........................................................................................................2-11
Secure Shell Components .......................................................................................2-11
Secure Shell Interface ......................................................................................2-11
Secure Shell File Transfer Protocol .................................................................2-11
Secure Shell Application Overview .......................................................................2-12
Secure Shell Authentication ...................................................................................2-13
Protocol Identification .....................................................................................2-13
Algorithm and Key Exchange .........................................................................2-13
Authentication Phase .......................................................................................2-13
Connection Phase ............................................................................................2-14
Using Secure Shell DSA Public Key Authentication .............................................2-14
Starting a Secure Shell Session ..............................................................................2-14
Closing a Secure Shell Session ..............................................................................2-16
Log Into the Switch with Secure Shell FTP ...........................................................2-16
Closing a Secure Shell FTP Session ......................................................................2-18
Modifying the Login Banner .........................................................................................2-19
Modifying the Text Display Before Login .............................................................2-20
Configuring Login Parameters ......................................................................................2-21
Configuring the Inactivity Timer ..................................................................................2-21
Enabling the DNS Resolver ..........................................................................................2-22
Verifying Login Settings ...............................................................................................2-23
Chapter 3 Using SNMP .................................................................................................................3-1
In This Chapter ................................................................................................................3-1
SNMP Specifications ......................................................................................................3-2
SNMP Defaults ...............................................................................................................3-2
Quick Steps for Setting Up An SNMP Management Station .........................................3-4
Quick Steps for Setting Up Trap Filters ..........................................................................3-5
Filtering by Trap Families ........................................................................................3-5
Filtering by Individual Traps ....................................................................................3-6
SNMP Overview .............................................................................................................3-7
SNMP Operations ....................................................................................................3-7
Using SNMP for Switch Management .....................................................................3-8
Setting Up an SNMP Management Station .......................................................3-8
SNMP Versions ........................................................................................................3-8
SNMPv1 ............................................................................................................3-8
SNMPv2 ............................................................................................................3-9
SNMPv3 ............................................................................................................3-9
SNMP Traps Table .................................................................................................3-10
Using SNMP For Switch Security ................................................................................3-47
Community Strings (SNMPv1 and SNMPv2) .......................................................3-47
Configuring Community Strings .....................................................................3-47
Encryption and Authentication (SNMPv3) ............................................................3-48
Configuring Encryption and Authentication ...................................................3-48
Setting SNMP Security ...................................................................................3-49