mac-address flapping on my server

[dellpe]

hi,dear all, my nas server maybe has one mac-address flapping problem in my huawei s9300, you can see the logs on my switch as follws:
#Dec 12 14:50:26 2013 S9300 L2IF/4/MAC_FLAPPING_ALARM:OID 1.3.6.1.4.1.2011.5.25.42. 2.1.7.12The mac-address has flap value . (BaseTrapSeverity=0, BaseTrapProbableCause=0, BaseTrapEventType=4, L2IfPort=549,entPhysicalIndex=1, MacAdd=000f-e21d-7d30,vlanid=3333, FormerIfDescName=GigabitEthernet1/0/9,CurrentIfDescName=GigabitEthernet1/0/1,DeviceName= S9300)
*0.2239546363 S9312 L2IF_MAC/7/MACFLAPPING:MAC-Flapping Mac: 000f-e21d-7d30, IfName: GigabitEthnet1/0/1, Vlan: 3333, Slot: 1

Now my nas server is so slowly, have one idea about this?

 

[dlavigne]

Using code blocks, post the output of ifconfig on the FreeNAS system.

 

[jpaetzel]

The MAC address isn't flapping because it's changing on the FreeNAS box. It's flapping because the device on port 1/0/9 has the same IP as the FreeNAS box, so the switch is changing which port owns the MAC address between the two ports. Fix the IP conflict and the flapping will stop.