10-21-2014 09:59 PM - edited 03-07-2019 09:12 PM
I have a NIC teaming setup. 2 NIC cards, NIC-1 connected to SW-1, NIC-2 connected to SW-2.
SW-1 & SW-2 are up-linked together(not stack). The NIC ports are hard coded as access, spanning-tree port-fast.
Teaming works fine under normal conditions.
When I remove NIC-2, Teaming is normal with just one packet drop, but when I put back the NIC-2, there are 5-10 packet drops.
I believe I need to fine tune the spanning tree further. Please advise, what settings I need to define on access/uplink ports.
10-22-2014 12:17 AM
Hi,
What's your STP mode on SW1 and SW2?
Houtan
10-22-2014 02:57 AM
I have just hard coded up-links as trunk, nothing is defined about the spanning tree protocol.
Please advise on the right settings.
10-22-2014 03:11 AM
Ok, By default cisco switches use PVST as their default STP method, as first step change STP mode to rapid-pvst on both switches.
Report the result, I think it solve your problem.
SW(config)#spanning-tree mode rapid-pvst
HTH
Houtan
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