https://community.extremenetworks.com/t5/extremeswitching-exos-switch/bcml2mod-high-cpu/m-p/32565#M6033 The problem was some wrong multicast packets incoming from a customer who has l2vpn, the impact was just slow cli and snmp.<BR /> About 20% each process. Fri, 25 Mar 2016 02:45:00 GMT Julian_Eble 2016-03-25T02:45:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/bcml2mod-high-cpu/m-p/32563#M6031 Hello,<BR /> <BR /> Having issues with a X460-G2 high CPU usage where an icmp directly to the CPU are being dropped and snmp also.<BR /> <BR /> Forwarding traffic is okay including mpls tunnels.<BR /> <BR /> The strange thing is that I never saw this process bcmL2MOD.0 and bcmASYNC, and seen to be the problem.<BR /> <BR /> Any advices?<BR /> <BR /> Thank you! Fri, 18 Mar 2016 23:16:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/bcml2mod-high-cpu/m-p/32563#M6031 Julian_Eble 2016-03-18T23:16:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/bcml2mod-high-cpu/m-p/32564#M6032 Julian,<BR /> <BR /> This is indicative of a hardware learning problem on the switch. You should contact the GTAC and get a case opened on this.<BR /> <BR /> Any changes in the network? How high is the CPU? Sat, 19 Mar 2016 02:23:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/bcml2mod-high-cpu/m-p/32564#M6032 Chad_Smith1 2016-03-19T02:23:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/bcml2mod-high-cpu/m-p/32565#M6033 The problem was some wrong multicast packets incoming from a customer who has l2vpn, the impact was just slow cli and snmp.<BR /> About 20% each process. Fri, 25 Mar 2016 02:45:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/bcml2mod-high-cpu/m-p/32565#M6033 Julian_Eble 2016-03-25T02:45:00Z