Tag Archives: Cisco

Cisco 800 series router configuration guide


Just a short note readers, those who are struggling with Cisco 800 series below sites, config break down and tools would be life saver for you. Configuration Examples and TechNotes Cisco Config Generator Free Network Config Generator  —-this tools for … Continue reading

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Step by Step guide to build a Cisco wireless infrastructure using Cisco WLC 5500, Cisco 1142 AP and Microsoft Radius server


Pre-requisites: Microsoft Active Directory and DNS DHCP Server with new scope configured IP helper-address configured Microsoft Radius (IAS) Server 2003 or Microsoft Network Policy Server 2008 Microsoft Enterprise root CA Cisco Wireless LAN controller (WLC) 5500 Cisco AIR-LAP1142N wireless access … Continue reading

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How to backup Cisco switch/router config in easy steps


Step1: create a text file in C:\ drive or your preferred drive and name it like switch-config.txt  or your preferred name. Step2: open command prompt and type as follows Telnet –F c:\switch-config.txt IP-Address-of-switch switch>Enable provide privilege password #Terminal Length 0 … Continue reading

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Cisco core 4506: Sample config


If you are thinking, you could see sample core switch config and modify according to your need. Here, I would like to share a sample config… Building configuration… Current configuration : 6599 bytes ! version 12.2 no service pad service … Continue reading

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How to recover Cisco catalyst L2 and L3 switch password


Step1: Connect a PC with terminal emulation (for example, Hyper Terminal) to the console port of the switch using the following terminal settings: Bits per second (baud): 9600 Data bits: 8 Parity: None Stop bits: 1 Flow Control: Xon/Xoff Unplug … Continue reading

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Choose right fibre optic for IT network


  A reliable network is the basic requirement by entire computer systems. It come first in every layer of communication starting from core, distribution and access networks. If this is done done properly, later on you will get lots hassle … Continue reading

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IP address and subnet


An IP address is an address used to uniquely identify a devices such as computer,server and printers on an IP network. The address is made up of 32 binary bits which can be divisible into a network portion and host … Continue reading

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Cisco command references for Cisco 2960, 3550, 3750, 4506


Enter the enable command to access privileged EXEC mode: Switch> enable Switch# Switch# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Enable Telnet Switch(config-if)#Line vty 5 15 Switch(config-if)#password yourpassword Switch(config-if)#transport input telnet Switch(config-if)#login Add SNMP Switch(config-if)#snmp-server community … Continue reading

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How to configure Cisco 1242 AP to get authentication from MS IAS


This is a config for Cisco 1242 AP to get authenticated from MS IAS 2003. IAS 2003, MS DHCP and Cisco AP must be in same VLAN or LAN. Connect Cisco AP in the network. It will get an IP … Continue reading

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How to configure a VLAN


You need a RJ45 -> DB9 (serial port) cable. You connect it to the serial port of your computer. Then use HyperTerminal (on windows). Default port settings are: baud: 9600 data: 8 parity: none stop: 1 flow: none Hit Enter … Continue reading

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