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Difference between a normal Cisco Switch and a Catalyst

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Heyy guys!!! You might have heard the name Catalyst Switch or L-3 Switches and you might have a lot of confusion regarding it. so today we will discuss about the difference between a normal Cisco Switch and a  Catalyst  Switch. Catalyst is the brand-name of Cisco’s most popular series of switches. When someone says they’re using a “Catalyst switch”, it just means that they’re working with a Cisco switch. Other companies have names for their L-3 switches, like HP’s ProCurve or Dell’s PowerConnect. A Layer 2 switch (L-2) does switching only. This means that it uses MAC addresses to switch the packets from a port to the destination port (and only the destination port). It therefore maintains a MAC address table so that it can remember which ports have which MAC address associated. A L3 switch also does switching exactly like a L2 switch. The L3 means that it has an identity from the L3 layer. Practically this means that a L3 switch is capable of having IP add...
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Backup and Restore Startup Configurations in a CISCO ROUTER

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heyy guys!!! In this post i will be showing you how to take  Backup  of Startup Configuration of a router and  Restore  it to another router . So, for this first of all what you need is a TFTP server (Trivial File Transfer Protocol Server) in your network (having an IP adsress). now follow these steps to copy your Startup configuration file to the TFTP server. Router# copy running-config tftp: Address or name of remote host []? 64.104.207.171 Destination filename [ce_2-confg]? backup_cfg_for_my_router !! 1030 bytes copied in 2.489 secs (395 bytes/sec) Router# now after this .. open the file from your TFTP server in any text editor and remove the lines that starts with AAA, these are to remove security that exists. once you have completed this step your Backup is completed. Now you have to install that startup config file to the new router. Just follow these steps in the new router. Router_new# copy tftp: running-config Address or name of remote h...
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Password Recovery in Cisco Routers and Switches

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Edit Heyy guys!!! here i am again with something new this time.. Imagine you have spent a lot of time in configuring a router or a switch and unfortunately you have forgotten its password..now you are not able to log in to the Privilege or even to the User Exec mode. or let say some other network engineer set the password on the device and he is not present right now. In both the cases you need to access the device (let say router) without entering the password. so is it possible to bypass the password authentication procedure..well the answer is  YES , we can do it. we can recover the password without losing the previous configurations set on the Router. I have made a video that will demonstrate you how to recover the password in Cisco Router or Switch. Disclaimer   :   This video is only for Education Purpose, i am not responsible for any harm or involvement in any illegal activity by you. To watch the Video  CLICK HERE  . If you face any Do...
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