Re: vlan information in VTP modes

Thanks Kamran Habib,good reference

Regards
Anantha Subramanian Natarajan

On Sat, Jun 13, 2009 at 9:16 PM, Kamran Habib <kmhabib_at_gmail.com> wrote:

> This is a passage from Odom's book...Hopefully this further clarifies:
>
> "*VTP transparent mode switches essentially behave as if VTP does not
> exist,
> other than one small exception: Transparent mode switches forward VTP
> updates received from other switches, just to help out any neighboring VTP
> server or client switches.
>
> When VTP clients and servers store VLAN configuration specifically, the
> VLAN
> ID, VLAN name, and other VTP configuration settings the configuration is
> stored in a file called vlan.dat in flash memory.
> The filename is short for "VLAN database.") Even more interesting is the
> fact that Cisco IOS does not put this VLAN configuration in the
> running-config file or the startup-config file.
> No command exists to view the VTP and VLAN configuration directly; instead,
> you need to use several show commands to list the information about VLANs
> and VTP output.
>
> Switches in transparent mode store VLAN configuration in both the
> running-config file as well as the vlan.dat file in flash. The
> running-config can be saved to the startup-config as well*."
>
> -Kamran
>
> On Sat, Jun 13, 2009 at 7:06 PM, Anantha Subramanian Natarajan <
> anantha.natarajan_at_gravitant.com> wrote:
>
> > Hi CC13RS,
> >
> > oh I see, Thanks got it .
> >
> >
> > Regards
> > Anantha Subramanian Natarajan
> >
> > On Sat, Jun 13, 2009 at 9:01 PM, CCIE RS <cc13rs_at_gmail.com> wrote:
> >
> > > Just that when ur Switch is in VTP transparent mode any VLAN info is
> > > actually written in Running config. if you Show Run u will see it
> there.
> > >
> > > v/s in VTP Server/Client mode the VLANs will themselves not show up in
> > Show
> > > run. They are in vlan.dat file on flash.
> > >
> > > Yes u have to do "wr mem" inorder to transfer the VLAN info ftom
> running
> > > config to startup.
> > > HTH,
> > > -CC13RS.
> >
> >
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Received on Sat Jun 13 2009 - 21:45:04 ART