CGMP/IGMP: Advanced Traffic Management Multicast traffic originates at sources desiring to distribute the same information to multiple recipients. When a source creates multicast traffic, it uses special Layer 2 and Layer 3 addresses so that routers and bridges know how to disperse the frame. By default, routers do not forward multicast traffic unless they are multicast … [Read more...]
SYSTEM:.*snp_igmp_io_flood: relay failed.*
The snp_igmp_io_flood: relay failed error message is seen on the EX platform and is harmless. This message indicates that the device has corrected a condition in which it would have flooded an IGMP packet with an unknown type field back out the same port on which it was received. This message is cosmetic. Example of log messages generated: May 24 19:47:08 … [Read more...]