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NIC teaming

For the life of me I cannot remember this answer...
If I have 4 NIC's on one machine two of which are already teamed can I team the other NIC's without causing an outage?

Or will this blip the machine...keep in mind this is our production SQL server.

Liam Dwyer
Liam Dwyer
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It depends on the NICs, the software and the network stack.

I would be pleasantly surprised if it DIDN'T blip the network though. I would definitely schedule it for out of hours if possible.

Will it let you establish a "team" with just 1 NIC? If so, create on with your spare NIC, set up a constant ping to it and add the other spare. Just don't touch the active NICs until you are sure :)
Liam DwyerNetwork EngineerAuthor Commented:
Yes, my plan was for closer to the end of the day.  I would be pleasantly surprised as well.
there is already one team on the machine.  There are two other NIC's.
there is just something not right about the speed of the connection for that machine.
that is why I am questioning the teams.
Have you also set up your switches to handle teaming? You will need some awareness of it at the network level.
Check the switch configuration for the two ports.
Usually LACP is configured to these ports.
Add two new ports to this portchannel.
Do the cabling.
Configure servers to add these two ports to teaming
Cross fingers that downtime will last only a few seconds
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