Turn debugging on for spanning tree.  See what results you get.

""John Neiberger""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Our LAN people have worked on it a lot and have never found a resolution
> to the Dell NIC issue.
>
> I'm starting not to trust the output of the 'show spantree' command
> because it's showing conflicting information.  In addition, there are
> other ports that don't show up in the output that still appear to be
> running STP.  I've decided to quit worrying about it and I'll reboot it
> later.  In the interim we've found another solution for the few users
> with Dell PCs.
>
> Thanks,
> John
>
> >>> Daniel Cotts  7/29/02 9:55:17 AM >>>
> With portfast disabled how long does it take for an interface to come
> on
> line? Can you test to see if it is sending BPDUs out those interfaces?
> I'm
> wondering if in fact spanning tree is disabled but "forwarding" is just
> how
> a connected port is identified.
> I'm not familiar with the 2980. Is each port explicitly an access port
> or a
> trunk port as in the 2924XL or can a user port also have trunking
> preferences like the 5500s? (set trunk auto/desireable/off/etc) On set
> based
> switches best to turn trunking off on user interfaces.
> Any way to attack the problem from the Dell side? Drivers? 3rd party
> NIC?
>
> > -----Original Message-----
> > From: John Neiberger [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, July 29, 2002 9:52 AM
> > To: [EMAIL PROTECTED]
> > Subject: Can't Disable Spanning Tree on 2980G [7:50009]
> >
> >
> > I have an interesting problem that I'm not able to resolve.  On a
> > particular 2980G I need to completely disable spanning tree.  After
> > issuing the command 'set spantree disable all' I would expect
> > not to see
> > any ports participating in STP.  However, look at this:
> >
> > SCORP0201-A> (enable) show spantree
> > VLAN 1
> > Spanning tree disabled
> >
> > Bridge ID MAC ADDR          00-08-e2-b3-8c-00
> > Bridge ID Priority          32768
> > Bridge Max Age 20 sec   Hello Time 2  sec   Forward Delay 15 sec
> >
> > Port                     Vlan Port-State    Cost      Prio Portfast
> > Channel_id
> > ------------------------ ---- ------------- --------- ---- --------
> > ----------
> >  3/1                     1    not-connected       100   32
> > disabled 0
> >
> >  3/2                     1    not-connected       100   32
> > disabled 0
> >
> >  3/3                     1    forwarding          100   32
> > disabled 0
> >
> >  3/4                     1    forwarding          100   32
> > disabled 0
> >
> >  3/5                     1    not-connected       100   32
> > disabled 0
> >
> >  3/6                     1    not-connected       100   32
> > disabled 0
> >
> >  3/7                     1    not-connected       100   32
> > disabled 0
> >
> >  3/8                     1    not-connected       100   32
> > disabled 0
> >
> >  3/9                     1    forwarding          100   32
> > disabled 0
> >
> >  3/10                    1    forwarding          100   32
> > disabled 0
> >
> >  3/11                    1    not-connected       100   32
> > disabled 0
> >
> >  3/12                    1    not-connected       100   32
> > disabled 0
> >
> >  3/13                    1    not-connected       100   32
> > disabled 0
> >
> >  3/14                    1    not-connected       100   32
> > disabled 0
> >
> > --More--
> >
> > Initially it says that STP on VLAN1 is disabled, but then goes on to
> > show several ports in VLAN 1 that are still running spanning
> > tree.  STP
> > was successfully disabled on the other VLANs but I just can't get
> this
> > to go away and we really need to get this done thanks to another
> > annoying issue that no one has resolved yet.
> >
> > We have certain Dell machines that will BSOD if the network isn't
> > immediately available.  STP portfast isn't fast enough so I've been
> > disabling STP altogether.
> >
> > Any thoughts on this?  Am I missing something very obvious?  I've
> > checked CCO and there appears to be no STP-related bugs on the 2948.
>
> > Unfortunately, they don't have separate info for the 2980G.
> >
> > Thanks,
> > John
> [EMAIL PROTECTED]




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