Static Routes Configuration in Juniper You want to be able to connect your router to the Internet. Create a default static route: # set routing-options static route 0.0.0.0/0 next-hop 172.16.100.1 Check the routing table to see the route: # run…

Juniper Routes Learned from a Specific Protocol You have configured a routing protocol and you want to make sure the router is learning routes from that protocol. Include the protocol name in the show route command: Here you can see…

How to show Last Time of System Booted # run show system uptime Current time: 2014-12-11 14:35:32 BDT System booted: 2013-09-11 18:12:54 BDT (65w0d 20:22 ago) Protocols started: 2013-09-11 18:14:41 BDT (65w0d 20:20 ago) Last configured: 2014-12-11 13:17:08 BDT (01:18:24…

Juniper Shutdown and Reboot Command This is from operational mode. > request system power-off [It will Shutdown the system] > request system halt [It will Shutdown the system] > request system reboot [It will Restart the system]   If you…

Juniper Domain Name System (DNS) Server Configure DNS Name Server at Juniper Router root@juniper1# set system name-server 172.26.27.2 root@juniper1# set system name-server 172.26.27.3 Configure Domain Name at Juniper Router root@juniper1# set system domain-name enterprise.com

Juniper save Rescue Configuration and restore rescue configuration A rescue configuration is designed to restore basic connectivity in the event of configuration problems Contents of configuration are user-defined and, by default, no rescue configuration exists > request system configuration rescue…

Creating Login Banners at Juniper # set system login message “ Welcome \n to \n JUNOS Training\n “ [When you login to your juniper device then the Message will show “Welcome to JUNOS Training]

Juniper Hardware Inventory Information You are taking a hardware inventory to track which hardware components are installed in which router, along with serial numbers. The following command lists all the hardware components installed in the router: source@router> show chassis hardware…

Set Juniper Host Name # set system host-name Juniper1 [Juniper1 is your router name]

About Junos OS  One operating system One software release One modular software architecture J Series Services Routers (J2300, J4300, and J6300) are deployed at the remote edge of distributed networks. Most M Series routers are deployed in small and medium…

Juniper Basic Connection and Configuration When new Juniper device you purchase from your vendor. What should you do first ? First you have connect with console connection. To connect console setting are 9600, 8, N, 1 with VT100 Terminal Emulation…

JUNOS software updates are contained in four packages jkernel–Operating system jroute–Routing Engine software jpfe–Packet Forwarding Engine software jdocs–On-line documentation jbundle–All four upgrade package – Packages can be upgraded individually – CLI “show system software” command displays installed packages

Juniper Standard Interfaces Physical interfaces have standard names Based on Interface port type. FPC slot number (FPC- Flexible PIC Concentrator) PIC slot number within FPC (PIC – Physical Interface Card) Port number within PIC Interface Port Type at— ATM over…

Juniper Package Naming Convention Software packages have standard names “package-m.nZnumber.tgz” • m.n is the major version number • Z is a single uppercase letter • A–Alpha • B–Beta • R–Release • I–Internal • number is the release number, which might…

Comparing Configuration with roolback to File Differences Compare candidate and active configurations: # show | compare Compare active and historical configurations: # show | compare roolback 2 [It will view the configuration before 2 commit operation] # show | compare…