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SELL EVE-NG Cisco Dynamips images (Cisco IOS)
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Dynamips Images (Cisco IOS emulation)

c7200-adventerprisek9-mz.152-4.S6 (supported cards: PA-FE-TX, PA-4E, PA-8E)
c3725-adventerprisek9-mz.124-15.T14 (supported cards: NM-1FE-TX, NM-16ESW)

Process to Upload Images in EVE-NG VM

1) Upload original Cisco image file to /opt/unetlab/addons/dynamips/ directory. You can upload those files using   FileZilla or WinSCP.

2) fix the permissions
/opt/unetlab/wrappers/unl_wrapper -a fixpermissions

3) Calculating IDLE-PC:
First time it is recommended to check Dynamips image IDLE PC usage.Run your image from main EVE cli. Enter one of the following commands below. Be sure you have use right image name in the command.

dynamips -P 1700 -t 1710 /opt/unetlab/addons/dynamips/c1710-bk9no3r2sy-mz.124-23.image
dynamips -P 7200 /opt/unetlab/addons/dynamips/c7200-adventerprisek9-mz.152-4.S6.image
dynamips -P 3725 /opt/unetlab/addons/dynamips/c3725-adventerprisek9-mz.124-15.T14.image

Wait for the following line on the console:

Would you like to enter the initial configuration dialog? [yes/no]:

Exit from initial configuration dialog, and quit to get the con0 prompt:
Router con0 is now available
Press RETURN to get started.
Press Enter to get to the router’s CLI:


To check CPU usage from EVE cli, open another new ssh session to the EVE. Enter CLI command top.
CPU usage is very high, a whole CPU for each instance:

[email protected]:~# top
3521 root      20   0  412236 125408 109904 S 99.5 25.4   3:27.82 dynamips

Go back to router session and press two key combo ” ctrl + ] ” release keys, and then press key ” i ” Dynamips will calculate suggested Idle PC values:
Please wait while gathering statistics...
Done. Suggested idling PC:
  0x80369ac4 (count=35)
  0x8023afac (count=51)
  0x8023b008 (count=30)
  0x8023b050 (count=27)
  0x803637a0 (count=38)
  0x80363984 (count=20)
  0x80363ccc (count=28)
  0x80363d48 (count=28)
  0x80363d78 (count=74)
  0x803645d0 (count=76)
Restart the emulator with "--idle-pc=0x80369ac4" (for example)

Usually the highest value of IDLE PC will best for your CPU. In the calculation above it is 76. Copy value of IDLE PC to the notepad and we can start test best value fit for your Dynamips node.

To stop dynamips router calculation mode use:Key combo: ” ctrl + ] ” release keys, and then press key ” q “
Go to EVE WEB GUI, add your Dynamips node and change IDLE PC value to calculated, save and start node.

For more information please read EVE official Post Cisco Dynamips images (Cisco IOS)

These file are verified and tested on EVE-NG Pro and EVE-NG Community Edition
This post was last modified: 03-23-2020, 03:44 PM by Ninja.

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