SRX Load Rescue Configuration After Reboot
It did not happen often, but when it happened, you will need to know how to fix it. The rescue configuration is a previously committed, valid configuration. You must have…
Import Existing Juniper SRX Cluster into JunOS Space Security Director
This instruction is made to those new to JunOS Space and Security Director. The whole procedures are easy to understand with those screenshots and real example. This is also the…
JunOS Space Radius Authentication with Free Radius Server TekRADIUS
TekRADIUS is a RADIUS server for Windows with built-in DHCP server. TekRADIUS is tested on Microsoft Windows XP, Vista, Windows 7/8/10 and Windows 2003/2008/2012 server. TekRADIUS complies with RFC 2865…
Cisco 7600 Router Got Software Forced Crash During Booting
Symptoms: One of Cisco7606 Routers got a software crash during booting process. Here is output from console. System Bootstrap, Version 12.2(33r)SRD5, RELEASE SOFTWARE (fc1)Technical Support: http://www.cisco.com/techsupportCopyright (c) 2009 by cisco…
Check Point Error: Partial Overlapping Encryption Domains When Verifying or Installing Policy
Usually when your firewall policy is not configured properly, Checkpoint SmartDashboard will notify you with useful details when you verify or install it. But sometimes, those information will make you…
Checkpoint Monitord Process Consumes Excess Memory
During a regular review firewall mem and cpu usage, I found some of Checkpoint UTM272 R77.10 gateways are using lots memory and ssh / snmp access seems slow sometimes. With…
Update to Windows 10 Immediately Without Wait Validating from Microsoft
One of my windows 7 laptop is still waiting Microsoft to validate my computer’s specific but my another one has been notified and successfully automatically updated. After a couple of…
Checkpoint Gateway Lost SIC After Jumbo Hotfix Installed
Our Checkpoint Products are stilling sitting at R77.10. Checkpoint has release Jumbo Hotfix Accumulator for R77.10 (gypsy_hf_base_021). The installation procedures from Command Line is quite simple: Transfer the Jumbo Hotfix…
Layer 2 / Layer 3 IP Packets Switching Procedures
Layer 2 Packets Switching Procedures The packet will be sent in the same vlan. 1. A sends ARP -who is 10.1.1.3?Destination MAC address : ALL FF’sSource MAC address: A1 2.…
Policy Based IPSec VPN Configuration Between SRX Firewalls
Juniper SRX support both Route-based and Policy-based VPN, which can be used in different scenarios based on your environments and requirements. Difference between them (KB15745) With policy-based VPN tunnels, a…
Configure SRX 240 cluster Step by Step
1. Understanding SRX240 Default Configuration The following default configurations apply to SRX240 factory default settings
Using Cisco Mini USB Console Cable to Configure Cisco Switches and Routers
Cisco Device Mini USB Port Cisco has added mini usb port into their products for many years. The key to use this port is to get a right cable. At…