Cisco VPN LAB 2 : IPSec VPN Example Between two ASA 8.4.2
Cisco VPN Lab Series: Cisco VPN LAB 1 : Simple Easy VPN Example between Routers and Comparison with DMVPN Cisco VPN LAB 2 : IPSec VPN Example Between Two ASA…
Checkpoint Cluster Member Down because interfaces show partially up
Symptoms: One of cluster member shows problem. It always happened on standby member. If goes into deep, you will find some of cluster member interfaces are showing down or partially…
Free Dynamic DNS Service Site – http://duckdns.org/
Duck DNS is a free dynamic DNS hosted on Amazon EC2. To get it working is quite easy. Add a sub domain and update your current ip address to it.…
Cisco VPN LAB 1: Simple Easy VPN Example between Routers
VPN Lab Series:Cisco VPN LAB 1 : Simple Easy VPN Example between Routers and Comparison with DMVPN Cisco VPN LAB 2 : IPSec VPN Example Between Two ASA 8.4.2 Cisco…
Enabling SNMP v3 – Part 1: Cisco IOS Devices – Disable SNMP v1 and SNMP v2c
1. Enable SNMPv3 It is time to retire SNMPv2 on our network environment. Here is sample configuration for all of our Cisco devices. Some of old devices do not support…
Checkpoint UTM-1 Edge X Configuration Tips and Resources
Still having some Sofaware UTM-1 Edge devices in our production environment. They are perfectly support by Checkpoint Management Server when using firmware 8.2.50 There is a couple of things admin…
Enabling SNMP v3 Part 2: Checkpoint R75 (Gaia & Splat) (AES and SHA Configuration)
This post is second part of SNMPv3 configuration. First part is in this post for Cisco devices. During setting up SNMPv3 on checkpoint appliance, there are some steps and notes…
Free SNMP Software Suit in Windows Environment – Net-SNMP (Snmpv3 Support)
I was looking for this kind of software for a while. Mostly desktop and servers I am using are windows based. There is no Snmpwalk this kind of command under…
GNS3 V1.0 Alpha for Linux in Vmware Workstation
Some Exciting GDS3 V1.0 Alpha feature from their website page, especially IOU Switching Support: Alpha 2 Release – 16/04/14 New Dynamips IOS Support Easy Idle PC Calculation and Configuration IOS…
Reset SonicWall NSA 4500 to Factory Default Configuration
SonicWall NSA 4500 is Next-Generation Firewall features integrate intrusion prevention, gateway anti-virus, anti-spyware and URL filtering with application intelligence and control, and SSL decryption toblock threats from entering the network…
Cisco Switch Configuration to Make Multicast Load Sharing Working on Checkpoint ClusterXL Firewalls
Working on Checkpoint Cluster XL Load Sharing configuration, and found one blog post from Technopath LLC regarding Cisco switch configuration. It should be helpful for my next step. The topology…
Only Primary SRX Cluster Member Got IDP Signature Update from NSM with Virtual Chassis
1. Situation: In my environment, there are a couple of SRX Clusters managed by NSM. NSM downloads IDP signature updates from Internet then push those updates to each SRX clusters.…