Python learning for Network Engineers Part 06 | First script using telnetlib in Python 2 & Python 3

𝗙𝗼𝗿 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗣𝘆𝘁𝗵𝗼𝗻 𝗙𝗼𝗿 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗖𝗼𝘂𝗿𝘀𝗲:
𝗘𝗻𝗿𝗼𝗹𝗹 𝗳𝗼𝗿 𝗯𝗲𝗹𝗼𝘄 𝗨𝗱𝗲𝗺𝘆 𝗖𝗹𝗮𝘀𝘀: 𝟐𝟎𝟐𝟐 𝐕𝐞𝐫𝐬𝐢𝐨𝐧
𝑫𝒊𝒔𝒄𝒐𝒖𝒏𝒕𝒆𝒅 𝑹𝒆𝒇𝒆𝒓𝒓𝒂𝒍 𝑳𝒊𝒏𝒌:
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[NetworkEvolution]

𝗣𝗹𝗮𝘆𝗹𝗶𝘀𝘁: 𝗣𝘆𝘁𝗵𝗼𝗻 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗳𝗼𝗿 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀(𝟭𝟮𝟬+ 𝗩𝗶𝗱𝗲𝗼𝘀)
☸𝗣𝗹𝗲𝗮𝘀𝗲 𝗳𝗼𝗹𝗹𝗼𝘄 𝗯𝗲𝗹𝗼𝘄 𝗚𝗶𝘁𝗛𝘂𝗯 𝗣𝗮𝗴𝗲 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗹𝗮𝘁𝗲𝘀𝘁 𝗰𝗼𝗱𝗲𝘀:
𝗣𝗹𝗮𝘆𝗹𝗶𝘀𝘁: 𝗖𝗶𝘀𝗰𝗼 𝗡𝗫𝗔𝗣𝗜-𝗖𝗟𝗜 𝗣𝘆𝘁𝗵𝗼𝗻 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: 𝗡𝗲𝘅𝘂𝘀 𝟵𝗸 :𝗣𝗮𝗿𝘀𝗲 𝗷𝘀𝗼𝗻 𝗫𝗠𝗟 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻 𝗗𝗮𝘁𝗮
𝗣𝗹𝗮𝘆𝗹𝗶𝘀𝘁: 𝗟𝗲𝗮𝗿𝗻 𝘁𝗼 𝗣𝗮𝗿𝘀𝗲 𝗖𝗶𝘀𝗰𝗼 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻 𝘂𝘀𝗶𝗻𝗴 𝗣𝘆𝘁𝗵𝗼𝗻 𝗥𝗲𝗴𝗘𝘅:𝗿𝗲 𝗧𝘂𝘁𝗼𝗿𝗶𝗮𝗹(𝟭𝟱+ 𝗩𝗶𝗱𝗲𝗼𝘀)
𝗣𝗹𝗮𝘆𝗹𝗶𝘀𝘁: 𝗖𝗶𝘀𝗰𝗼 𝗜𝗻𝘁𝗲𝗿𝗳𝗮𝗰𝗲 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻 𝗣𝗮𝗿𝘀𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗠𝘂𝗹𝘁𝗶𝘁𝗵𝗿𝗲𝗮𝗱𝗶𝗻𝗴 𝗣𝘆𝘁𝗵𝗼𝗻 𝗥𝗲𝗴𝗘𝘅 𝗦𝗰𝗿𝗶𝗽𝘁:𝗧𝗮𝗯𝘂𝗹𝗮𝘁𝗲 𝗧𝗮𝗯𝗹𝗲 𝗲𝘅𝗮𝗺𝗽𝗹𝗲(𝟰 𝗩𝗶𝗱𝗲𝗼𝘀)
𝗣𝗹𝗮𝘆𝗹𝗶𝘀𝘁: 𝗘𝗻𝗮𝗯𝗹𝗲 𝗣𝘆𝘁𝗵𝗼𝗻 𝗠𝘂𝗹𝘁𝗶𝘁𝗵𝗿𝗲𝗮𝗱𝗶𝗻𝗴 𝗶𝗻 𝗖𝗶𝘀𝗰𝗼 𝗖𝗼𝗻𝗳𝗶𝗴 𝗕𝗮𝗰𝗸𝘂𝗽 𝗦𝗰𝗿𝗶𝗽𝘁 𝗳𝗼𝗿 𝗣𝗮𝗿𝗮𝗹𝗹𝗲𝗹 𝗲𝘅𝗲𝗰𝘂𝘁𝗶𝗼𝗻:𝗧𝗵𝗿𝗲𝗮𝗱𝗶𝗻𝗴 𝗧𝘂𝘁𝗼𝗿𝗶𝗮𝗹(𝟰 𝗩𝗶𝗱𝗲𝗼𝘀)
𝗣𝗹𝗮𝘆𝗹𝗶𝘀𝘁: 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗙𝗼𝗿 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 : 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝘁𝘂𝘁𝗼𝗿𝗶𝗮𝗹 𝘄𝗶𝘁𝗵 𝗖𝗶𝘀𝗰𝗼 𝗘𝘅𝗮𝗺𝗽𝗹𝗲𝘀(𝟯𝟬+ 𝗩𝗶𝗱𝗲𝗼𝘀)

[sekhar]

Till now I have gone thru 6 videos .videos are informative...explaination is good.but external noise and also hard key stroke of enter key is annoying . Hope this would be taken care in future .Thanks for tha valuable info...

[nixoncabezas]

I just happen to be taken a course where we're covering telnetlib and this is perfect practice, thanks for the video!

[mukeshkanojiya]

I started learning python, this videos is very I appreciate your effort...keep doing great work.

[georgemavimbela]

Thanks for your tutorials they very helpful. Do u have a eparate video where you share how u have done your GNS3 LAB Setup

[praveen]

Excellent info on the diff between Py 2 and Py 3.

I have a doubt regarding the usage of encode/decode in Py 3. 
When is encode/decode used?
Is it used only when a manual command like Username/Password in sent by the user?

[jayashrisa]

Do you have any separate videos on GNS3 setup in linux. kindly share the link if possible. Thanks

[pattemkoti]

i am using eve in vmware same linux so i will have to integrate both vms to same network adapter to run the telnet script on my router running in eve ?

[durgesh]

hello sir. Thanks for creating such course. Sir, I'm getting error in running telnet command. I have made a simple topology of 2 routers and configured telnet on one of them. I'm trying to telnet the telnet configured router through my linux terminal. But, am getting error as connection timed out. why is it happening sir?

[rajanikantgwadile]

code is getting executed but not getting any output. I check the router console and commands are getting executed there.

[manjuc]

Hi Sir, I'm trying to connect live switch, with the correct IP but it's not working, Can you please help me with this. Below are the error message. "" Enter the Command: sh ver
Traceback (most recent call last):
File "3.3.8_telnetlib.py", line 9, in <module>
print
File "/usr/lib/python3.8/telnetlib.py", line 335, in read_all
self.fill_rawq()
File "/usr/lib/python3.8/telnetlib.py", line 526, in fill_rawq
buf = self.sock.recv(50)
ConnectionResetError: [Errno 104] Connection reset by peer
"

[dnd]

excuse me, sometimes we have face enable password before change to Privilege mode where allowed "show run" command, how can execute enable password?