Use wireshark to grab a password for Telnet login
First open the GNS3 to create a simple topology diagram, the interface is labeled an IP address to prevent mixing
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give two routers a IP address,Ping The connectivity
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Upon request in R1 to set the telnet login password and enter the privileged mode password, need to remember the password, this password is logged on the R2
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Open after Setup is complete Wireshark Grab the package software, open the way is to click on the topology map to grab the packet of the line, select the port to grab the packet
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so you can open it automatically . wireshark Select telnet to grab the packet
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If you can't open it automatically Wireshark Please note the following configuration
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Open the CRT login R2 and then use Telnet to log on R2 R1
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Open wireshark Check your password,R2 start here with telnet into R1
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look down, look. Data packet , prompting for password to enter user mode
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then look down to see only data packet, you can see all the passwords. This is the first password "character"
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Here is a hint of entering a password into privileged mode
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This article is from the "My World" blog, please be sure to keep this source http://zhang2015.blog.51cto.com/9735109/1606715
Use the Wireshark capture software to capture the Telnet password