Re: 3550 and 2610

From: John Matijevic (matijevi@bellsouth.net)
Date: Thu Jul 03 2003 - 12:37:15 GMT-3


Hello Partha,
Are you connecting to a cluster of switches?
What happens when you leave as a standalone switch do the led's turn green?
Have you tried creating another vlan and putting the port in the new vlan?
Sincerely,
Matijevic
----- Original Message -----
From: "Barman, Partha" <PBarman@necbns.com>
To: <ccielab@groupstudy.com>
Sent: Thursday, July 03, 2003 6:21 AM
Subject: RE: 3550 and 2610

> I tried to no shut the vlan1, but still the problem exists. Any ideas?
>
>
>
> -----Original Message-----
> From: miken [mailto:miken@sisna.com]
> Sent: Sunday, June 29, 2003 11:32 PM
> To: Barman, Partha; ccielab@groupstudy.com
> Subject: Re: 3550 and 2610
>
>
> Partha,
>
> Yes, this is happening because VLAN1 doesn't exist in the VLAN database.
If
> you assign a VTP client switch port to a VLAN that doesn't existant in the
> VTP domain, it will show up/up in "show int status", but the light will
> appear orange(amber) and there will be no communication to other devices
in
> the same VLAN. I've used this as sort of a poor man's security. Rather
than
> shut down the interface, I put it in a non-existant VLAN so that a logging
> message will be sent if someone plugs a device into a port that should not
> have anything connected. Kinda sneaky.... If you connect another
> manufacturer's switch to the 3550 and the 3550's interface is in default
> configuration, the two switches will auto-negotiate a dot1q trunk. You can
> also verify the trunk with the "show int status" command.
>
> HTH,
> Mike N.
>
> ----- Original Message -----
> From: "Barman, Partha" <PBarman@necbns.com>
> To: <ccielab@groupstudy.com>
> Sent: Sunday, June 29, 2003 6:48 AM
> Subject: 3550 and 2610
>
>
> > I have a 3550 switch with factory default config. When I connect a 3550
> > fastethernet interface to a 2610 router ethernet interface, the link led
> > turns orange. The speed and duplex settings match. The 2610 ethernet has
> > only an IP address configured. The 3550 fastethernet has nothing
> configured
> > on interface fastethernet. The strange thing is, this is happening to
all
> > ports on the 3550 and to all new 3550's I have. One thing I noticed is
> that
> > the interface vlan1 is shutdown. Is is happening because of this vlan1
> > shutdown?
> >
> > When I connect the 3550 to another vendor switch, the link led stays
> green.
> > When I connect the router ethernet to another vendor switch, the link is
> up
> > and green.
> >
> > Thanks for any help!!
> >
> > Partha
> >
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