Tweet Here is generic Cisco Catalyst Switch Secure Configuration Template   Model 3750 Data Vlan ; AAA Voice Vlan ; BBB Native Vlan ; CCC…

Tweet Quick Cisco 3750 Stack Configuration Guide   * The priority value can be 1 to 15. The default priority value is 1 ( 1…

It’s good link for Cisco Catalyst 6500 Architecture Cisco Catalyst 6500 Switching Architecture Cisco Catalyst 6500 Supervisor Cards

It’s good link for CEF-based Layer 3 Switching on the Catalyst 6000/6500  

Tweet When you are troubleshooting an issue and need to identify device, OUI lookup is big help. OUI is first 24 bit of MAC address…

Tweet Here is a well explained video for how to TCP/IP 3-way handshake in WireShark tool

Windows File Sharing at LAN environment is common and it is using chatty NetBIOS protocol. NetBIOS is broadcast based(Non-routed) protocol. So, if you are on…

Tweet VLAN ACL can be used to capture live traffic (same as SPAN)   1. Create Access Map 2. Apply Capture   Cisco_VACL_Capture# conf t…

Tweet There is three steps to create VLAN Access Map   1. Define the access map; ACL specifies what traffic to permit 2. Configure the…

Tweet SharePoint Empowers Users from Dux Raymond Sy on Vimeo.

Tweet This video clip will give you good idea of how Microsoft SharePoint can be utilized as a project management tool from Youtube.com   {youtube}JbWQMNHOpnk{/youtube}…

World IPv6day by The Internet Society (ISOC) is on June 8, 2011. If you are comcast user, test your IPv6 capability of your network. or…