Nexus 2k to HP Server LACP issue

Hi,
We are having problems connecting our Nexus 2k to HP server ports in LACP mode (channel-group mode active).
The below is snippet from logs, before the port goes into suspended mode.
2013 Jun  7 17:14:21 PBR-core-1-PoC %LACP-FEX104-3-SYN_COLL_DIS_EN: WARNING: Potential Interop issue on  [Ethernet104/1/7(0x1f670180)]: SYNC, COLLECT and DISTRIBUTE flags enabled too early by partner
ERROR: Cannot set/reset lacp suspend-individual for port-channel305 that is admin up
PBR-core-1-PoC(config-if)# 2013 Jun  7 17:14:41 PBR-core-1-PoC %ETH_PORT_CHANNEL-5-PORT_SUSPENDED: Ethernet104/1/7: Ethernet104/1/7 is suspended
2013 Jun  7 17:14:40 PBR-core-1-PoC %LACP-FEX104-5-LACP_SUSPEND_INDIVIDUAL: LACP port Ethernet104/1/7(0x1f670180) of port-channel port-channel305(0x16000130) not receiving any LACP BPDUs  suspending (individual) port
Cisco: Nexus 7000 6.1.4 with N2K-C2248TP-1GE 6.1.4
->
HP Ethernet 1Gb 4-port 331FLR Adapter running Windows 2008 R2 sp1, Broadcom  Driver Version : 15.4.0.19
Has anyone had success with LACP and this setup?
Cheers,
J-Dogg
HP Ethernet 1Gb 4-port 331FLR Adapter

Hi,
I'm not sure if you already found this, but the first error is documented, for the Nexus 5000 series at least in the System Messages and Recovery Procedures for the Cisco Nexus 5000 Family:
Error Message: LACP-3-SYN_COLL_DIS_EN: [chars] : SYNC, COLLECT and DISTRIBUTE flags enabled too early by partner
Explanation: Potential interop issue. Partner system seems to have enabled sync as well collecting or distributing flags too early even before actor has selected an aggregator
Recommended Action: No action is required.
I just love the Recommended Action
The message is indicating that the LACPDU from the server has the Synchronise, Collecting and Distributing flags all set on the first LACPDU it receives. When the link is first established the LACPDU is only supposed to have the Synchronise flag set, with the Collecting and Distributing flags set once the switch and host are sync'd. There's a prety good diagram of this at Networking Bodges in the Bringing Links Up section.
On the basis of this it would seem this is possibly a bug in the Broadcom driver. I see on the Broadcom website that version 15.6.0.10 of the driver is available. Are you able to try that driver on this server?
Regards

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              > Thanks in adv.
              > Vijay

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    Rohit Garg
    (My Blog)
    This posting is provided with no warranties and confers no rights.
    Please remember to click Mark as Answer and Vote as Helpful on posts that help you. This can be beneficial to other community members reading the thread.

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    Jay Ocampo

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