You could test simple continuity with a multimeter. The flipper has can generate nowhere near the frequency needed to test 10gbit Ethernet. Every time I've need

You could test simple continuity with a multimeter. The flipper has can generate nowhere near the frequency needed to test 10gbit Ethernet. Every time I've needed to use one of those fluke things, I've been able to rent one for a few grand. If this is in your home, I agree with the other comments, you should probably just bite the bullet and rerun everything.