Alcatel-Lucent OmniSwitch 6250 - Page 5

Contents
OmniSwitch 6250/6450 Switch Management Guide May 2012 v
Using FTP .....................................................................................................................2-10
Using FTP to Log Into the Switch .........................................................................2-10
Using Secure Shell ........................................................................................................2-12
Secure Shell Components .......................................................................................2-12
Secure Shell Interface ......................................................................................2-13
Secure Shell File Transfer Protocol .................................................................2-13
Secure Shell Application Overview .......................................................................2-14
Secure Shell Authentication ...................................................................................2-15
Protocol Identification .....................................................................................2-15
Algorithm and Key Exchange .........................................................................2-15
Authentication Phase .......................................................................................2-15
Connection Phase ............................................................................................2-16
Using Secure Shell DSA Public Key Authentication .............................................2-16
Starting a Secure Shell Session ..............................................................................2-17
Closing a Secure Shell Session ..............................................................................2-19
Log Into the Switch with Secure Shell FTP ...........................................................2-19
Closing a Secure Shell FTP Session ......................................................................2-20
Modifying the Login Banner .........................................................................................2-21
Modifying the Text Display Before Login .............................................................2-22
Configuring Login Parameters ......................................................................................2-23
Configuring the Inactivity Timer ..................................................................................2-23
Enabling the DNS Resolver ..........................................................................................2-24
Verifying Login Settings ...............................................................................................2-25
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
Using SNMP For Switch Security ................................................................................3-10
Community Strings (SNMPv1 and SNMPv2) .......................................................3-10
Configuring Community Strings .....................................................................3-10
Encryption and Authentication (SNMPv3) ............................................................3-11
Configuring Encryption and Authentication ...................................................3-11