those where also visible as Unknown frame on eeepy on same port.
+The problem seems to be version of wireshark which in old one shows different frames.
# change switch port vlan
sw-e300 5 . . . . . . . . . . . . . . . . . . . . . X . X
sw-e300 20 . . . . . . . . . . . . . . . . . . . . . X X X
+
+# find port for mac address
+
+dpavlin@black:~/dell-switch$ ./find-port-for-mac fe:80:00:00:00:00
+sw-b200-2 1 fe:80:00:00:00:00 2
+sw-b200 1 fe:80:00:00:00:00 23
+# mac fe:80:00:00:00:00 on 43 switches
+
+
+# toggle port state
+
+dpavlin@black:~/dell-switch$ ./snmp-port-toggle.sh sw-b200-2 2
+sw-b200-2 2 gi1/0/2 fe:80 flood promet ethernetCsmacd up 100
+# Press ENTER to toggle port which is now up
+IF-MIB::ifAdminStatus.2 = INTEGER: down(2)
+# wait for port status change from up
+Bad operator (INTEGER): At line 73 in /usr/share/snmp/mibs/ietf/SNMPv2-PDU
+sw-b200-2 2 gi1/0/2 fe:80 flood promet ethernetCsmacd down 1000
+