I face an issue which i cannot resolve.
Intel Server System R1208GL4DS with buildin I350 4 ports inet adapter
OS: Windows Server 2008 R2
NIC drivers ver 18.4 (PRO set with ANS)
Data Center provides ieee802.3ad dynamic aggregation teaming connection, It uses 2 ports on my server (0 and 3)
DC uses Cisco Nexus switches
SpanningTreeProtocol is ON and cannot be switched off by DC.
One of the adapters suddenly goes on standby state and doesnot pass traffic.
As the result the whole connectivity to server and to services I use stuck at that moment.
There is only one way to resolve is to restart server or restart whole team by changing the team properties.
flow control off
I have tried to change everything playing with any property within nic or team. No luck.
Some information from DC support of the swith config:
# sh interface po1113 switchport
13 Switchport: Enabled Switchport Monitor: Not enabled Operational Mode: trunk Access Mode VLAN: 1 (default) Trunking Native Mode VLAN: 1 (default) Trunking VLANs Allowed: 300,390,398-399 Voice VLAN: none Extended Trust State : not trusted [COS = 0] Administrative private-vlan primary host-association: none Administrative private-vlan secondary host-association: none Administrative private-vlan primary mapping: none Administrative private-vlan secondary mapping: none Administrative private-vlan trunk native VLAN: 1 Administrative private-vlan trunk encapsulation: dot1q Administrative private-vlan trunk normal VLANs: none Administrative private-vlan trunk private VLANs: none Operational private-vlan: none Unknown unicast blocked: disabled Unknown multicast blocked: disabled
Please advise as I'm almost stuck.
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