Nexus 7010 port-channel failed, not receiving any LACP BPDUs

Hi every one,
I'm having issue when trying to form LACP etherchannel links between N7k and server. Here's the setup:
SERVER eth0-------N7K-1 Eth102/1/9
SERVER eth1-------N7K-2 Eth102/1/9
Configuration:
N7K-1# sh run int eth102/1/9
interface Ethernet102/1/9
switchport
switchport access vlan 204
channel-group 321
no shutdown
N7K-1# sh run int po321
interface port-channel321
switchport
switchport access vlan 204
flowcontrol send on
vpc 321
N7K-2# sh run int eth102/1/9
interface Ethernet102/1/9
switchport
switchport access vlan 204
channel-group 321
no shutdown
N7K-2# sh run int po321
interface port-channel321
switchport
switchport access vlan 204
flowcontrol send on
vpc 321
vPC status
id Port Status Consistency Reason Active vlans
321 Po321 up success success 204
Scenario 1-Etherchannel only without protocol
Both links are up, problem only happened when link to N7K-2 restart. If link to N7K-1 restart no problem.
Scenario 2-Etherchannel with LACP
Both physical links NOT up. Logs showing this:
2013 Aug 20 17:04:31 N7K-1 %ETHPORT-5-IF_DOWN_ADMIN_DOWN: Interface Ethernet102/1/9 is down (Administratively down)
2013 Aug 20 17:04:32 N7K-1 %ETHPORT-5-IF_ADMIN_UP: Interface Ethernet102/1/9 is admin up .
2013 Aug 20 17:04:35 N7K-1 %ETHPORT-5-SPEED: Interface Ethernet102/1/9, operational speed changed to 1 Gbps
2013 Aug 20 17:04:35 N7K-1 %ETHPORT-5-IF_DUPLEX: Interface Ethernet102/1/9, operational duplex mode changed to Full
2013 Aug 20 17:04:35 N7K-1 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet102/1/9, operational Receive Flow Control state changed to off
2013 Aug 20 17:04:35 N7K-1 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet102/1/9, operational Transmit Flow Control state changed to on
2013 Aug 20 17:04:35 N7K-1 %ETHPORT-5-SPEED: Interface port-channel321, operational speed changed to 1 Gbps
2013 Aug 20 17:04:35 N7K-1 %ETHPORT-5-IF_DUPLEX: Interface port-channel321, operational duplex mode changed to Full
2013 Aug 20 17:04:35 N7K-1 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface port-channel321, operational Receive Flow Control state changed to off
2013 Aug 20 17:04:35 N7K-1 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface port-channel321, operational Transmit Flow Control state changed to on
2013 Aug 20 17:04:55 N7K-1 %ETH_PORT_CHANNEL-5-PORT_SUSPENDED: Ethernet102/1/9: Ethernet102/1/9 is suspended
2013 Aug 20 17:05:13 N7K-1 %LACP-FEX102-5-LACP_SUSPEND_INDIVIDUAL: LACP port Ethernet102/1/9(0x1f650200) of port-channel port-channel321(0x16000140) not receiving any LACP BPDUs suspending (individual) port
Scenario 3-Etherchannel with LACP to single 3750 switch
All working fine, fail over success as expected.
N7k is using NX-OS 6.0(4)
Anyone facing this issue?

Hi,
I had had this problem before.
Please, put the following command, if in your server side is using LACP:
interface Ethernet102/1/9
switchport
switchport access vlan 204
channel-group 321 mode active
no shutdown
N7K-1# sh run int po321
interface port-channel321
switchport
switchport access vlan 204
flowcontrol send on
vpc 321
N7K-2# sh run int eth102/1/9
interface Ethernet102/1/9
switchport
switchport access vlan 204
channel-group 321 mode active
no shutdown
N7K-2# sh run int po321
interface port-channel321
switchport
switchport access vlan 204
flowcontrol send on
vpc 321

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