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Upgrade and Backup JunOS Image of Juniper SRX Device

There are various ways you can upgrade and backup JunOS Image of Juniper SRX device. You can use either web console or command line. When performing an upgrade there is always some chances of failure. So, to be able to recover from catastrophic failures, always create a backup before upgrading the JunOS operating system. Upgrade and Backup […]
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Static Site to Site VPN in Juniper SRX and SSG

Static site to site VPN is different from dynamic site to site VPN. The basic requirement for static site-to-site VPN is static public IP address in both ends. VPN between two different platform can be difficult. Here, I will show static site to site VPN in Juniper SRX and SSG. Static Site to Site VPN […]
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Dynamic site to site VPN in Juniper SRX and SSG

Today we will configure dynamic site to site VPN in Juniper SRX and SSG gateway. There are many protocols for configuring VPN. Here we will configure VPN using IPSec protocol. IPSec protocol is considered to be secure. In our configuration, SSG will have static public IP address. Similarly, SRX will have dynamic IP address from […]
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JunOS SRX High Availability Concepts

After getting some information about SRX HA basics let’s get into JunOS SRX High Availability Concepts. This will get you some clear picture about JunOS SRX High Availability Concepts. There are different parts in JunOS High Availibility. JunOS SRX High Availability Concepts Cluster ID To configure the devices into HA, they must be first made […]
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Juniper SRX High Availability Basics

Devices fail, network fails, disaster occurs. But still, passing traffic is our goal. SRX provides high availability feature and is different from traditional HA devices. When one router fails, the other router must know about the device configuration and traffic sessions that first router was dealing with. Otherwise, the second router needs to relearn all […]
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Network Latency and Throughput

Network latency and Throughput are terms used in computer networks to define the state of connection between two end points. There are significant differences between these two terms. Network Latency and Throughput Network Latency In data network, latency means time when a particular packet takes to reach the destination from source. The term delay is […]
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SRX HA Modes

Juniper SRX series device supports HA mode for redundancy. When it comes to serious networking, failure is not an option. So to get the devices working you can configure pair of SRX devices in High Availability mode. Before getting to know about differences of HA modes you should first have little knowledge of JunOS HA […]