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Posted by Merv on July 27, 2008, 3:58 pm
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> The Other Mike wrote:
> > Just swapped a 2950 10/100 switch with a 2960 Gigabit switch. Our
> > servers on the switch are Dell Poweredge (win2003) running broadcomm
> > gigabit nics. We have 2 servers that are having an issue now....when
> > pinging from another server on the same switch (or anywhere else on
> > the network), the 1st ping will time out, then the rest will go
> > through fine. Ping again, all respond ok. Wait about 5 or 6
> > minutes...and the 1st will time out again. The only thing that has
> > changed is the switch. Ports were configured using the "desktop"
> > setting on smartports and the config is below...all ports are the
> > same.
>
> > interface GigabitEthernet0/2
> > switchport mode access
> > switchport port-security
> > switchport port-security aging time 2
> > switchport port-security violation restrict
> > switchport port-security aging type inactivity
> > macro description cisco-desktop
> > spanning-tree portfast
> > spanning-tree bpduguard enable
>
> > I made sure the power off when not in use option was unchecked for NIC
> > and have also updated the NIC drivers. My understanding is the if it
> > was a portfast issue it would be a 30 second delay...this is more like
> > 5 seconds. Any ideas on why with the gigabit switch change this is
> > occuring? Am I not supposed to use the "desktop" setting for
> > servers? Again, it's only on 2 servers (nothing in the event logs).
>
> From my understanding, the MAC address only remains in the CAM table
> for 5min prior to aging out. If after 5min of no switch activity, the
> server's MAC address will be removed from the CAM. Have you tried
> statically configuring the server's MAC address/corresponding port.
>
> I'm a newb so forgive me if I'm wrong.
Suggest you lose the desktop stuff for server ports and only configure
portfast
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