RE: Dynamips, how to get rid of "vlan.dat "from dynamips router

From: Scott Vermillion (scott_ccie_list@it-ag.com)
Date: Tue Oct 30 2007 - 17:17:14 ART

I think the below will be of interest...

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Con
Spathas
Sent: Sunday, October 07, 2007 4:59 AM
To: 'ccie.lab'; 'Sohail Nedaria'
Cc: ccielab@groupstudy.com
Subject: RE: Dynamips - cannot save vlan.dat

It seems to have started with the latest release.

Workaround can be found here:
http://7200emu.hacki.at/viewtopic.php?t=3864&highlight=flash+filesystem
 

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ccie.lab
Sent: Sunday, 7 October 2007 06:01
To: Sohail Nedaria
Cc: ccielab@groupstudy.com
Subject: Re: Dynamips - cannot save vlan.dat

Here is what I get, still no vlan.dat after reboot and I erased flash like
you said.

Rack1SW1#vlan d
Rack1SW1(vlan)#vlan 6
VLAN 6 added:
    Name: VLAN0006
Rack1SW1(vlan)#exit
APPLY completed.
Exiting....
Rack1SW1#dir
Directory of flash:/

No files in directory

8388604 bytes total (8387880 bytes free) Rack1SW1#sh fla

System flash directory:
File Length Name/status
  1 660 vlan.dat [invalid checksum]
[724 bytes used, 8387880 available, 8388604 total] 8192K bytes of processor
board System flash (Read/Write)

Rack1SW1#sh vlan-sw

VLAN Name Status Ports
---- -------------------------------- ---------
-------------------------------
1 default active Fa1/0, Fa1/1, Fa1/2, Fa1/4
                                                Fa1/6, Fa1/8, Fa1/10, Fa1/11
                                                Fa1/12, Fa1/13, Fa1/14
6 VLAN0006 active
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
  ----- Original Message -----
  From: Sohail Nedaria
  To: ccie.lab
  Cc: ccielab@groupstudy.com
  Sent: Sunday, October 07, 2007 12:48 AM
  Subject: Re: Dynamips - cannot save vlan.dat

  HI

              Try the following command on ur router,

  SW1#erase flash
  SW1#vlan.dat
  SW1# (then try to create ur vlan)

  Thanks
  Suhail.

  On 10/7/07, ccie.lab <ccie.lab@verizon.net> wrote:
    I am trying to use the switch module in the dynamips setup with a 3640
    router.
    However, I cannot get the vlan.dat to save between sessions. I notice
when
    the vlan.dat is created it says invalid checksum?
    Then it is gone after rebooting Dyanmips?

    Please Help!

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