Monthly Archives: January 2018

Recently, I discovered a large increase in multicast traffic on an enterprise Cisco WLAN. This increase was large enough to cause packet loss in several areas where bandwidth is limited, usually at the WAN edge. While throughput remained within the acceptable range for a circuit, an extremely high packet rate was overwhelming the edge device’sContinue reading “Beware of mDNS Floods from Buggy Android Clients”