[Cisco] Password Recovery – Catalyst Switch

Tweet Attention If the below procedure doesn’t work for you, contact vendor/website or IT company for help.   Cisco Catalyst Switch Password recovery Reference :…

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[Cisco] How to Secret Password Recovery – Router

Tweet Attention If the below procedure doesn’t work for you, contact vendor/website or IT company for help. Cisco Router Secret Password recovery Step 0. Plug…

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[Cisco] How to power off slot on Cisco GSR 12000 series

Tweet Attention This procedure would be immediately impacting current service, do make sure you want it before execute it. Use it on your risk. To…

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[Cisco] How to access slot information on Cisco GSR 1

Tweet If you are looking into slot 2 of your GSR / Cisco 12008, type attach 2 Router_GSR#attach 2 Entering Console for 1 port ATM…

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[Cisco] How to setup router as a tftp server

Tweet Attention If the below procedure doesn’t work for you, contact vendor/website or IT company for help.   This is very useful, especially your active…

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[Cisco] Access Server setup for the LAB(CCIE)

Tweet Here is some tips to setup Cisco Access Server (Cisco 2509 or Cisco 2511) on your lab environment. I hope it help you to…

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[Cisco] How to enable Log and logging buffer

Tweet When you got an outage, you want to see a log first on your device. Well, if you have NMS or SNMP tool, you…

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Cisco Service Config Error Messages

Tweet Occasionally, during bootup of Cisco hardware through Cisco IOS software, error messages similar to these are displayed: %Error opening tftp://255.255.255.255/network-confg (Socket error) %Error opening…

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How to recognize Cisco IOS image file ?

Tweet Reading Cisco IOS Image file name. For example, c2500-is-l.113-11c.bin File name Version In general IOS file name looks like xxxx-yyyy-zzz. xxxx = Platform yyyy…

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[Cisco]What is error for ‘input packets with dribble condition detected’

Tweet While I was troubleshooting TCP throughput issue today, some of status on the FastEthernet interface brought my attention. "xxxx input packets with dribble condition…

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Three Cisco Switching methods

Tweet There are three major switching mode in Cisco devices. Here is the three switching methods with commands to enable it. 1. Process Switching –…

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How to Cisco Banner in other language(8bit)

Tweet If you want to put a warning message in your own language on Cisco box. Especially it requires 8 bit code. You can change…

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