there was a Spanning-tree loop in their main core switch......hahahahahaha h
Or in this case, the WAN port on the $20.00 Linksys router was saturated with too much traffic coming into the 2 Meg DSL line.
switch1#show spanning-tree root
Root Hello Max Fwd
Vlan Root ID Cost Time Age Dly Root Port
---------------- -------------------- --------- ----- --- --- ------------
VLAN0001 32769 000c.8582.c600 0 2 20 15
VLAN0002 32770 000c.8582.c600 0 2 20 15
switch1#show spanning-tree summary
Root bridge for: VLAN0001, VLAN0002.
Extended system ID is enabled.
PortFast BPDU Guard is disabled
EtherChannel misconfiguration guard is enabled
UplinkFast is disabled
BackboneFast is disabled
Default pathcost method used is short
Name Blocking Listening Learning Forwarding STP Active