We have to regular replace ethernet cables. A few have said its because we are close to the ocean. We about about 2 miles form the ocean. Is this true and if so can we do anything about it.
One possiiblity as to what they might mean by "too close to the ocean" is that you have high humidity in your work environment which can cause corrosion on the ethernet head contacts.
If this is the case then you can take a cotton swap or a Q-tip and wet the tip with some alcohol. Rub the contacts on the ends of the ethernet cable and allow it to dry for a minute or two. Make sure it is dry before you plug it back in.
If this isn't the case then I can only think of two other possibilities: