OJXE_C4_Initial_Configuration_9.b-R

Operating JuniperNetworks Switchesin the EnterpriseChapter 4: Installation and InitialConfiguration4-1Chapter ObjectivesAfter successfully completing this chapter, you will be able to:•Install Juniper Networks EX-series switches•Save and restore a rescue configuration•Return an EX-series switch to the factory-default state•Describe the initial configuration options•Perform initial configuration using the console’s EZsetupfeature•Perform initial configuration using the J-Web EZsetupfeature•Perform initial configuration using the JUNOS CLIAgenda: Installation and Initial Configuration →Installation Guidelines▪Rescue and Factory-Default Configurations▪Initial Configuration Checklist▪Initial Configuration OptionsGeneral Installation Guidelines▪Follow documented safety guidelines▪Use the hardware installation training resources:•Technical publications: /techpubs/Power On and Power Off▪JUNOS software is a multitasking environment •A graceful shutdown of the operating system ensures file system integrity•Use the J-Web Maintain > Reboot page or the requestsystem halt CLI command to gracefully halt JUNOS software•Power is maintained to the system; reboot with console activity ▪Rebooting the system with the LCD menu:•System reboot option under Maintenance mode▪Automatic power-on featureAgenda: Installation and Initial Configuration ▪Installation Guidelines→Rescue and Factory-Default Configurations▪Initial Configuration Checklist▪Initial Configuration OptionsRescue ConfigurationA rescue configuration is designed to restore basic connectivity in the event of configuration problems •The user defines the contents•Include a root password!•By default, there is no rescue configuration•Save rescue configuration using J-Web or the CLI•Retrieve with rollback rescue CLI command•View with file show/config/rescue.conf.gzCLI commandSaving a Rescue ConfigurationTwo methods of saving rescue configuration:•request system configuration rescue save CLI command•J-Web Maintain > Config Management > Rescue optionSaves current active configuration asrescue configuration.Loading the Rescue ConfigurationRetrieve the rescue configuration by using the rollback rescue CLI configuration-mode command•Remember to commit![edit]user@switch# rollback rescueload completeActivates rescue configuration [edit]user@switch# commitcommit complete[edit]user@switch#Factory-Default Configuration▪Enables family ethernet-switching for all ports▪Enables default system logging▪Enables LLDP and RSTP▪Enables PoE on all supported ports▪Loads one-time factory-settings option •Returns Virtual Chassis system Member ID to 0•Resets J-Web EZsetup featureReverting to a Factory-DefaultConfiguration▪There might be times when you want to return to a factory configuration▪Use the load factory-default configuration command and set a root password:▪Navigate the LCD menu by pressing the menu button and choose Restore to Factory Default[edit]user@switch# load factory-default warning: activating factory configuration[edit]user@switch# set system root-authentication plain-text-password New password:Retype new password:[edit]user@switch# commit commit complete Activates the factory-default configurationAgenda: Installation and Initial Configuration ▪Installation Guidelines▪Rescue and Factory-Default Configurations→Initial Configuration Checklist▪Initial Configuration OptionsInitial Configuration ChecklistHave the following information ready when performing the initial setup through the CLI or the EZsetup option:•Hostname (optional)•Root password•System time (optional)•Details regarding how the switch will be accessed formanagement (in band or out of band, and VLAN assignment)•Management interface and default gateway IP addresses•Remote access protocols to be used (Telnet, SSH)•SNMP contact and community information (optional)Agenda: Installation and Initial Configuration ▪Installation Guidelines▪Rescue and Factory-Default Configurations▪Initial Configuration Checklist→Initial Configuration OptionsInitial Configuration Options▪CLI EZsetup option•Available through a console connection▪J-Web EZsetup option•Initiated using the LCD menu▪CLI•Manually configure the switch using the JUNOS CLIInitial Configuration Using Console EZsetup ▪Obtain console connection to switch▪Enter ezsetup from the shell promptAmnesiac (ttyu0)login: rootPassword:---JUNOS 9.1R2.10 built 2008-07-01 04:34:43 UTCroot@% ezsetupInitial Setup Configuration---------------------------Enter System hostname [Optional]:switchEnter new root password:Re-enter the new password:Enable Telnet service? [yes|no]. Default [yes]:…Easy deployment option for new switches •Boot switch with factory-default configuration•Navigate the LCD menu and select Enter EZsetup•Connect laptop or PC to ge-0/0/0•Point Web browser to http://192.168.1.1•DHCP service starts and assigns address to laptop or PC port•EZsetup wizard appears•Alternatively, connect laptop or PC to me0 and point Web browser to http://192.168.2.1EZsetup in J-Web automates initial management configuration options▪Log in as root with a null password Amnesiac (ttyu0)login: root---JUNOS 9.1R2.10 built 2008-07-01 04:34:43 UTC root@%▪Start the CLIroot@% cliroot>Amnesiac prompt indicates a factory-default configurationUNIX shell prompt CLI prompt▪Enter configuration mode:root> configure[edit]root#▪Issue CLI commands to configure the desired functionality•Remember to issue the commit command to activate your changes•Hint: Use the CLI’s | display set functionality toreverse-engineer a configuration into the CLI commandsused to create itSet the identification parameters •Hostname•Domain name•Root password[edit]root# edit system[edit system]root# set host-name switch[edit system]root# set domain-name [edit system]root# set root-authentication plain-text-password New password:Retype new password:[edit system]root#Set the time parameters •Time zone•NTP server•Current time[edit system]root# set time-zone America/Los_Angeles[edit system]root# set ntp boot-server 10.0.3.1[edit system]root# set ntp server 10.0.3.1[edit system]root# run set date 200807270900.00Sun Jul 27 09:00:00 UTC 2008Set the network parameters•DNS name servers•Domain search and name•Default gateway•me0 address[edit system]root# set name-server 10.0.2.1[edit system]root# set domain-search [edit system]root# set domain-name [edit system]root# top[edit]root# set routing-options static route 0.0.0.0/0 next-hop 10.0.1.254 [edit]root# set interfaces me0 unit 0 family inet address 10.0.1.1/24▪Set the management access parameters •Telnet/SSH•Enable J-Web▪Commit the changes![edit]root# edit system[edit system]root# set services telnet[edit system]root# set services ssh[edit system]root# set services web-management http[edit system]root# commit and-quitcommit completeExiting configuration moderoot@switch>root@switch> show configuration## Last commit: 2008-07-14 21:09:44 UTC by rootversion 9.1R2.10;system {host-name switch;domain-name ;domain-search ;time-zone America/Los_Angeles;root-authentication {encrypted-password "$1$VEHi2fQx$nosjW.0E9aH2mBZqFFJ7z/"; ## SECRET-DATA }name-server {10.0.2.1;}services {ssh;telnet;web-management {http;}}syslog {...}ntp {boot-server 10.0.3.1;server 10.0.3.1;}}interfaces {ge-0/0/0 {unit 0 {family ethernet-switching;}}...me0 {unit 0 {family inet {address 10.0.1.1/24;}}}}routing-options {static {route 0.0.0.0/0 next-hop 10.0.1.254;}}protocols {lldp {interface all;}rstp;}poe {interface all;}SummaryIn this chapter, we:•Described installation of Juniper Networks EX-series switches •Saved and restored a rescue configuration•Returned an EX-series switch to the factory-default state•Described the initial configuration options•Performed initial configuration using the console’s EZsetupoption•Performed initial configuration using J-Web and the LCD menu •Performed initial configuration using the CLIReview Questions1.Which command do you use to load the rescueconfiguration?2.List three items you should have ready beforeperforming an initial configuration of an EX-series switch.3.Which command do you use at the shell prompt toenter operational mode?4.Which final configuration-mode command must youenter to enable your initial configuration?Lab 2: Initial ConfigurationPerform tasks normally associated with initial configuration of an EX-series switch.。