Category: Tools

How to capture VLAN tags

We may need to capture vlan tags during troubleshooting, the configuration method is summarized as follows. Switch side configuration Cisco switches can use Switched Port Analyzer (SPAN) to capture packets, and we need to...

Cisco Option 43 Generator

Option 43 can be used to discover WLC or convert EWC/ME to CAPWAP. This is a really useful feature, and I often need to use it in my tests. But its format conversion is...

8 Useful Tips & Tricks for SecureCRT

SecureCRT is powerful, high-usability terminal emulator. I found some useful tips & tricks when using SecureCRT, which are summarized below. Copy & Paste When using terminal window, we often need to copy & paste...

Tips for saving teraterm logs

In the previous article I shared how to save putty logs, this time I will share how to save Tera Term logs automatically. Setup – Additional settings Set directory and file name For the...

Tips for saving putty logs

Admittedly, putty is a good tool. I often need to copy the putty logs to a txt file for analysis. I would like to share here two tips for using putty. Let putty output...

Configure color theme for putty

For network engineers, you may use putty every day at work. Some people who are willing to share have made the putty color theme, and we only need to download it to easily configure...

How to Decrypt WPA packet with Wireshark

When troubleshooting wireless issues, we often need to analyze OTA packets. The annoying thing is that most of these packets are encrypted, and we can’t see the contents inside. Fortunately, we can use Wireshark...