Learning, Sharing, Creating
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…
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.…
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…
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…
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…
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…
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…
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…
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…