Diagnosing packet loss

Tue Nov 22 22:00:51 UTC 2011

On Tue, Nov 22, 2011 at 1:58 PM, Kees Jan Koster <kjkoster at gmail.com> wrote:

> Thank you for your reply. Your comment about dupe IP triggered something that I failed to mention: the interface is aliased. It has two IP addresses. IP address a and it has an alias IP address b. I just tested binding mtr to each of these interfaces separately to measure packet loss.

Show us the ifconfig output.  My guess is that the alias is
incorrectly configured.