I'm trying to diagnose a network problem where the main symptom is that ping packets seem to be occasionally dropped (< 2% of the time). I know that ICMP is low-priority and can be dropped during high load. I think that might be what's happening here...

Over the past couple of days, I've been notified of problems on a T1 to one of our upstream providers. The serial interface on the router (a 2621) will run fine for a while, then show a sudden burst of input and CRC errors, then be fine for a while a...

I need some help on selecting an entry-level VoIP setup. I'm trying to keep costs down as much as possible, but still have something scalable. Our local site has two T1s to two upstream Internet providers. We also have a PBX that we manage ourselves....