Comments on: Cisco – Dynamips (Router Emulation Software) Installation Tutorial

By: Hassu

Hassu — Wed, 28 Apr 2010 09:32:51 +0000

hi,

after i removed “npe = npe-400″ command from .net file,it gives me serial interface error than i again removed “s1/0 = R2 s1/0
” cmd and when i telnet R1 it show only telnet window it does not go ahead.

thanks

By: Hassu

Hassu — Wed, 28 Apr 2010 09:28:30 +0000

Hi Josh,

thanks for yr reply, but i am getting below error
********************************************

Reading configuration file…

*** Error: Unknown command ‘set_npe’
See dynamips output for more info.

Press ENTER to continue
********************************************

By: Josh

Josh — Tue, 27 Apr 2010 19:02:04 +0000

Hassu,

You need to be more specific on your model. Try this…
[[2611XM]]
image = \Program Files\Dynamips\images\c2600-ipbasek9-mz.124-15.T7.bin
npe = npe-400
ram = 96

[[ROUTER R1]]
image = \Program Files\Dynamips\images\c2600-ipbasek9-mz.124-15.T7.bin
model = 2611XM
s1/0 = R2 s1/0

[[router R2]]
image = \Program Files\Dynamips\images\c2600-ipbasek9-mz.124-15.T7.bin
model = 2611XM

Josh

By: Hassu

Hassu — Tue, 27 Apr 2010 06:32:56 +0000

Hi,

i want to use 2600 ios but it gives following error find also the .net file config.

# Simple lab

[localhost]

[[2600]]
image = \Program Files\Dynamips\images\c2600-ipbasek9-mz.124-15.T7.bin
# On Linux / Unix use forward slashes:
# image = /opt/3845-images/c3845-advipservicesk9-mz.124-15.T8.bin
npe = npe-400
ram = 96

[[ROUTER R1]]
image = \Program Files\Dynamips\images\c2600-ipbasek9-mz.124-15.T7.bin
model = 2600
s1/0 = R2 s1/0

[[router R2]]
image = \Program Files\Dynamips\images\c2600-ipbasek9-mz.124-15.T7.bin
model = 2600

# No need to specify an adapter here, it is taken care of
# by the interface specification under Router R1

******************************************
ERROR
******************************************

Reading configuration file…

localhost, router R2, model = the value “2600″ is unacceptable.
localhost, ROUTER R1, model = the value “2600″ is unacceptable.
Press ENTER to continue

thanks

By: manie

manie — Thu, 01 Apr 2010 03:19:46 +0000

Hi
I am working with GNS3.
when I drag a router to screen , It says “HYPERVISOR IS ALREADY RUNNING ON PORT 7200″ . I addressed this with external hypervisor , and it works . but how can I use from hypervisor manager again ?
I mean How can I drag the router without external hypervisor ?
Thanks in advance.

By: leolink

leolink — Sat, 05 Dec 2009 13:18:54 +0000

i successfully instaled dynamips but when i try to start the .net file it says ” 206 unable to create a vm instance for r1, error loading topology files” please help me

By: Edwin

Edwin — Sat, 07 Nov 2009 04:36:16 +0000

thanks Josh, for that very simple video tutorial on installing and configuring Dynamips.

Edwin

By: Rasheed

Rasheed — Sun, 11 Oct 2009 13:01:27 +0000

Josh

I had problems with my Ubuntu server 8.10 running dynamips after I upgraded to 9.04. I checked your blog as I know peeps had similar probs with – ‘unable to create UDP nio’ & ‘unable to connect to 127.0.0.1:10001′ errors.

What worked for me is that I also use Webmin, rather than using the GUI which would slow my server down a bit. I changed the ports under /etc/webmin/miniserf.conf file to 5000 & restarted the webmin service. I also deleted any of the default synaptic packages that ubuntu would have installed by running ‘locate’ for both dynamips & dynagen. Ran ‘updatedb’ then rebooted.

Everything came up ok… I thought Id share this as it was imperative I get dynamips running. Im preparing for CCIE v4.0. I hope this helps anyone else with the same issues.

Peace

By: paul

paul — Wed, 07 Oct 2009 02:20:11 +0000

for the following error please check my blog post
206 – unable to create UDP NIO

http://crazy4tips.blogspot.com/2009/10/crazy-vpcs.html

By: Adam

Adam — Sun, 04 Oct 2009 01:03:02 +0000

I too am receiving the 206-unable to create vm instance ‘R1′ error. I am running Ubuntu 9.04 64-bit and simply trying to get the simple1.net file working. I even tried using a 3725 image. Here is the .net file:

# Simple lab

[localhost]

[[7200]]
# image = \Program Files\Dynamips\images\c7200-jk9o3s-mz.124-7a.image
# On Linux / Unix use forward slashes:
image = /opt/dynagen-0.11.0/c7200-adventerprisek9-mz.124-24.T1.image
# image = /opt/dynagen-0.11.0/c3725-adventerprisek9-mz.124-25b.image
npe = npe-400
ram = 160

[[ROUTER R1]]
s1/0 = R2 s1/0

[[router R2]]
# No need to specify an adapter here, it is taken care of
# by the interface specification under Router R1