Configure IP Monitoring in SRX Cluster

There might be case in our network where we want to fail-over to secondary node when the Internet connection breaks or link breaks. In Juniper SRX cluster, you can configure fail-over in a way that if a specified IP address is unreachable then failover is initiated. Interface monitor feature configured in redundancy group is unable […]


Configure High Availability Cluster in Juniper SRX

Juniper SRX series firewall provides high availability options for continuous service operation. There are different ways of configuring high availability cluster in Juniper SRX. It is easy to configure high availability cluster in Juniper SRX. But before configuring cluster you must understand some basics of SRX cluster and concepts. Configure High Availability Cluster in Juniper […]


Configure Firewall Rule in Juniper SRX

Firewall rules or also called security policies are methods of filtering and logging traffic in the network. Juniper firewalls are capable of filtering traffic based on source/destination IP address and port numbers. Juniper SRX series firewall products provide firewall solutions from SOHO network to large corporate networks. SRX firewall inspects each packets passing through the […]


Configure Reth Interface in Junos (SRX)

Reth interface or redundant Ethernet interface is a special type of interface that has the characteristics of aggregated Ethernet interface. To configure Reth Interface in Junos (SRX), you have to first understand the basics of SRX HA basics. Reth interfaces are configured when SRX device is in HA (High Availability) mode. In JunOS there are […]


Configure Logs in Juniper SRX

Logs play an important role in identifying and fixing troubles. In Juniper devices, there are different ways to configure logs. You can configure a Juniper device to send log messages to log server in the network or within the device. JunOS is heart of Juniper devices and works just perfect. Today I will show you […]


Block SSH Login Attack in Juniper SRX

In JunOS, the default port number for SSH protocol is 22. As of writing this article, Juniper recommended version for Junos OS is 11.4R5.5 for SRX100 to SRX 240 and SRX650 model. Up to now there is no functionality of Junos to change the default port number of SSH protocol. Since 22 is the only […]


Configure Proxy ARP in Juniper SRX Gateway

Today I will show you how to configure proxy ARP in Juniper SRX Gateway. Well, why do you want to configure proxy arp? How do you configure proxy ARP? Today I will counter with these two questions. Configure Proxy ARP in Juniper SRX Gateway Lets say company A have 5 public IP addresses and a […]