all: We have just started using an existing Cat5e cable to run 100Base-T to a new office, but unfortunately, machines in the new office see link but receive an APIPA address (169.254.x.x).
I brought the same computer into the network closet and plugged it directly into the hub and everything works okay, so it must be the wiring through the walls.
Can I use Wireshark or some other (Mac) software to confirm this? Or is there an inexpensive hardware test, short of pulling the cable back through the walls?
Thank you, /m