From: Stefan L. Dozier (doziersl@yahoo.com)
Date: Fri Jan 10 2003 - 21:57:26 GMT-3
Resetting VLAN Information
To reset the VLAN information to it's factory defaults, delete the vlan.dat
file from the Flash or NVRAM and reload the switch. On Catalyst 6000
switches running Integrated Cisco IOS (Native Mode), the vlan.dat file is
stored in const_nvram. On Catalyst 4000 switches running Integrated Cisco
IOS (Native Mode), the vlan.dat file is stored in cat4000_flash:. On
Catalyst 2950/3550/2900XL/3500XLs, the vlan.dat file is stored in flash:.
On Catalyst 6000s, issue the erase const_nvram: command. On Catalyst 4000s,
issue the erase cat4000_flash: command. On Catalyst
2950/3550/2900XL/3500XLs, issue the delete flash:vlan.dat command. Use the
same steps as below for Catalyst 4000/6000 series switches running
Integrated Cisco IOS (Native Mode). The following steps show how to delete
the VLAN information on Catalyst 2950/3550/2900XL/3500XL switches:
Here's the link to the actual text above.....watch the word wrap!
http://www.cisco.com/en/US/products/hw/switches/ps607/products_tech_note0918
6a00800c4546.shtml#task2_b
HTH
Stefan
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Joe
Sent: Friday, January 10, 2003 7:24 PM
To: 'Bob Sinclair'; 'Paul Young'; ccielab@groupstudy.com
Subject: RE: Cat3550 VTP & VLAN info stays after write erase?
How about on the 6500 running Native IOS? I don't see either vlan.dat
or config.txt in the RP flash or NVRAM.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Bob Sinclair
Sent: Wednesday, January 08, 2003 7:05 PM
To: Paul Young; ccielab@groupstudy.com
Subject: Re: Cat3550 VTP & VLAN info stays after write erase?
Paul,
The vlan and VTP data are stored in a file called vlan.dat. If you do a
"dir" command you will see it. To clear, do "erase vlan.dat" in
addition
to the erase start. This is also true of the other 2900 and 3500
models.
What makes the 3550 different is that the vlan and VTP config is also
stored in config.text.
-Bob
----- Original Message -----
From: "Paul Young" <tsungdapaulyoung@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, January 08, 2003 6:38 PM
Subject: Cat3550 VTP & VLAN info stays after write erase?
> Hi group:
>
> Just starting to play with the Cat3550 switch and
> found VTP and VLAN settings does not get erase after
> write erase and reload!
> Is there a separate command that clears all the
> VTP and VLAN settings?
> Thanks.
>
> Regards,
> Paul Young.
>
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