As with any troubleshooting, we need to begin at the bottom. I would suggest the following:- Verify the rollover cable is good. Hopefully it it not homemade. A breakout box or some other sort of cable tester should verify this. If that works:- Rec...
One other benefit to keeping the address range small is that it is more efficient and easier to perform route summarization(or aggregation if you like) in the long run. Obviously, for aggregation, we need to use contiguous addresses. (I will throw o...
Make sure the switches are all in the same VTP domain. They have to be, or you will not be able to communicate with all the switches. If this is ok, make sure you are not adding switches to your VTP domain with a higher revision number than the cur...
The problem could be with the GBIC itself. How far is the distance between buildings? Each GBIC is rated for different distances much like different cable for Ethernet is rated for different distances. I would guess that since the GBIC connection ...
There is no transceiver, I know of, that would allow you to convert a serial port to an ethernet port. Unfortunately, you may have to get another router that has two ethernet ports. Good luck.Jason
