Network technologies and trends:

Cisco


September 29, 2008  12:26 AM

Things to be considered before upgrading an IOS in a Cisco 6500 Series Switch with SUP720- Series 1



Posted by: Yasir Irfan
3Com TFTP, Cisco, Cisco 6500, Cisco IOS, Cisco Learning, Cisco Tips, DataCenter, IOS Upgrade, Network Troubleshooting, Networking, PacketTrap pt360, PacketTrap TFTP, SolarWinds, Switches, TFTP Server

Today I successfully upgraded the IOS for a Cisco Catalyst 6513 Switch with Supervisor Engine SUP720. Couple of years I faced some problems while I was upgrading the IOS for

September 27, 2008  7:33 AM

Cisco boosts collaboration products



Posted by: Yasir Irfan
Cisco, Cisco News, Unfiied Communication, Virtual Office

Cisco announced the launch of latest set of collaborative solutions, which Cisco believes will help them to tap the 34$ billion market for


September 24, 2008  6:27 PM

How to turn a Cisco Router into ASA..



Posted by: Yasir Irfan
ASA/PIX, Basic Firewall, Cisco, Cisco ASA, Cisco IOS, Cisco IOS Firewall, Routers, ZFW

Guess what your Routers  support zone-based policies, which really helps with multi-interface restrictions (rather than just one outside & one inside interface with individual access list applications). Likewise, it now supports application inspection to catch those scandalous...


September 24, 2008  8:27 AM

How to configure intervlan routing between Cisco Catalyst Switches and HP Procurve Switches Series 2



Posted by: Yasir Irfan
Cisco, Cisco 3560, Cisco 3560-E, Cisco Learning, Cisco Tips, HP Procurve, HP switches, Intervlan routing, IOS commands, IP Address, Networking, Switches

In my previous post


September 22, 2008  6:53 AM

How to configure intervlan routing between Cisco Catalyst Switches and HP Procurve Switches Series 1.



Posted by: Yasir Irfan
Cisco, Cisco 6500, Cisco Tips, HP Procurve, HP switches, Intervlan routing, IOS commands, Networking, Switches, Trunking

In this series of article you are going to experience how to configure VLAN trunking between HP Procurve Switches  and

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September 14, 2008  7:00 AM

Learn How to secure your Cisco router with Cisco’s Secure Device Manager (SMD) Firewall Policy Wizard.



Posted by: Yasir Irfan
access-lists, Basic Firewall, Cisco, Cisco 877W Router, Cisco IOS Firewall, Cisco Security Device Manager, Networking, Routers, SDM

This document describes how to use the Cisco Security Device Manager (SDM)


September 8, 2008  8:12 AM

How to reset/delete the password & configuraton on a Cisco WS-C350-48-SMI



Posted by: Yasir Irfan
Cisco, Cisco 2950, Cisco 3560, Cisco 3560-E, Cisco 3750-E, Cisco Tips, HyperTerminal, IOS commands, Password reset, Switches

This article...


September 6, 2008  10:40 AM

The best way to record the serial number for Cisco Devices for Remote support.



Posted by: Yasir Irfan
Cisco, Cisco 2950, Cisco 3745, Cisco 6500, Cisco Tips, IOS commands, Switches, Telnet

Imagine if you are accesing the remote router and need to figure out the serial number for a router or the Circuit IDs of the serial interface, then you may start looking your docmented data or call the remote technician to help you out in figuring these details. The best and easy way to get...


September 1, 2008  9:42 AM

Most Commonly used Network Layer Utilities



Posted by: Yasir Irfan
ARP, CCNA, Certifications, Cisco, Cisco Learning, Cisco Tips, DHCP, DNS, Network Layer Utilities, Networking, OSI Layer 3, Ping

I was just thinking about the most commonly used Network Layer utilities in day to day business. Here are they which are useful to guys who are aspiring for their CCNA. 1) Address Resolution Protocol (ARP) 2) Domain Name Systems (DNS) 3) Dynamic Host Configuration Protocol (DHCP) 4)...


August 30, 2008  5:16 AM

A cool tool to solve layer 1 UTP cable issues in Cisco Catalyst Switches.



Posted by: Yasir Irfan
Cisco, Cisco 3560, Cisco 3560-E, Cisco 3750-E, Cisco Learning, Cisco Tips, IOS commands, Layer 1 issues, Network Troubleshooting, Switches

Here is a simple and cool tool for solving layer 1 UTP cable issues in a Cisco Catalyst Switches, the command used for this function is "test cable-diagnostics tdr interface" Here is the example MBGF-DAC-3560-AS01#test cable-diagnostics tdr interface gigabitEthernet 0/1 TDR test started on...


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