Alcatel-Lucent OmniSwitch 6850 Series, Руководство по управлению

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Contents
OmniSwitch 6800/6850/9000 Switch Management Guide December 2007 v
Using Secure Shell ........................................................................................................2-12
Secure Shell Components .......................................................................................2-12
Secure Shell Interface ......................................................................................2-12
Secure Shell File Transfer Protocol .................................................................2-12
Secure Shell Application Overview .......................................................................2-13
Secure Shell Authentication ...................................................................................2-14
Protocol Identification .....................................................................................2-14
Algorithm and Key Exchange .........................................................................2-14
Authentication Phase .......................................................................................2-14
Connection Phase ............................................................................................2-15
Using Secure Shell DSA Public Key Authentication .............................................2-15
Starting a Secure Shell Session ..............................................................................2-15
Closing a Secure Shell Session ..............................................................................2-17
Log Into the Switch with Secure Shell FTP ...........................................................2-17
Closing a Secure Shell FTP Session ......................................................................2-19
Modifying the Login Banner .........................................................................................2-20
Modifying the Text Display Before Login .............................................................2-21
Configuring Login Parameters ......................................................................................2-22
Configuring the Inactivity Timer ..................................................................................2-22
Enabling the DNS Resolver ..........................................................................................2-23
Verifying Login Settings ...............................................................................................2-24
Chapter 3 Configuring Network Time Protocol (NTP) ..........................................................3-1
In This Chapter ................................................................................................................3-1
NTP Specifications ..........................................................................................................3-2
NTP Defaults Table .........................................................................................................3-2
NTP Quick Steps .............................................................................................................3-3
NTP Overview ................................................................................................................3-5
Stratum .....................................................................................................................3-6
Using NTP in a Network ..........................................................................................3-6
Authentication ..........................................................................................................3-8
Configuring NTP .............................................................................................................3-9
Configuring the OmniSwitch as a Client .................................................................3-9
NTP Servers ...........................................................................................................3-10
Using Authentication ..............................................................................................3-12
Verifying NTP Configuration .......................................................................................3-13
Chapter 4 Managing CMM Directory Content
........................................................................4-1
In This Chapter ................................................................................................................4-1
CMM Specifications .......................................................................................................4-2
CMM Files ......................................................................................................................4-3
CMM Software Directory Structure .........................................................................4-3
Where is the Switch Running From? .................................................................4-4
Software Rollback Feature .......................................................................................4-4