How to get and set the speed and duplex of a NIC in Linux
NICs like to talk to each other at the same speed and duplex. In fact, bad things happen if you have a mismatch in either of those, so a way to view and then set those parameters is important. Let’s...
View ArticleDisable autonegotiate on a NIC in Linux
Sometimes auto negotiate just doesn’t work, and it’s never a good idea to use auto negotiate on a SAN connection. To disable auto negotiate use the ethtool command. ethtool -s $DEV autoneg off Don’t...
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