[c-nsp] Vlans and catalyst 2950

[Adam Greene]

You may be able to issue the commands

vlan database
 vlan [vlan-id]

to place the vlan in the database of the 2950 as well....perhaps you already
tried this?

----- Original Message ----- 
From: <nick.nauwelaerts at thomson.com>
To: <cisco-nsp at puck.nether.net>
Sent: Wednesday, February 09, 2005 4:54 AM
Subject: RE: [c-nsp] Vlans and catalyst 2950


> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net
> > [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Alban Dani
> > Sent: Wednesday, February 09, 2005 02:58 AM
> > To: mrz at intelenet.net
> > Cc: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] Vlans and catalyst 2950
> >
> >
> > Hello Matthew,
> >
> > I also am having a very wierd issue with vlans and 2950-s.
> >
> > We are running pst+.
> > We have a 6509 in the core and everytime we try to get a new vlan
> > passed through a chain  of switches( all connected via dot1q trunks)
> > that has a 2950 in it, it does not work. The only workaround we found
> > so far is to go to a port on the given 2950 , set the port on the
> > requried vlan and connect a machine to it and through some traffic.
> > That makes the 2950 aware of  that vlan.
> >
> > If this was not enough, if the vlan in question does not see traffic
> > for a couple of days the 2950 totally forgets about it.
> >
> > I am wondering if you ever found a solution to your problem and if so
> > what was it?
> >
> > I have upgraded to the latest IOS but it did not help.
>
> We also have a 6500 at the core and some 2950Gs in the wiring closet.
> I've haven't run into any issues with VLAn propagation yet. Have you
> checked that your 6500's VTP settings are set to server and the 2950's
> are set to client? I've seen issues if you mix transparent ones in
> between a client/server setup.
>
> 12.1(22)EA2 on the 2950s, 12.2(18)SXD3 native IOS on the 6500, but it
> worked with previous versions just as well.
>
> // nick
>
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