Cabletron Systems ESXMIM Management Manual

Also see for ESXMIM: Installation guide

Contents

Chapter 11: The Interface Statistics ScreenPage 11-2ESXMIM/ESXMIM-F2 Local Management Guide11.1 INTERFACE STATISTICS SCREEN FIELDSThe following list describes the Interface Statistics screen fields:In OctetsThis field displays the number of octets (bytes) received by the interface.In Unicast PktsThis field displays the number of unicast packets (packets destined forone specific address) received on the interface.In Nonucast PktsThis field displays the number of non-unicast packets (multicast andbroadcast packets; packets destined for more than one address) receivedby the interface.In DiscardsThis field displays the total number of packets discarded by the interfacedue to a lack of available resources.In ErrorsThis field displays the total number of errors received on the interface.The number displayed in the In Errors display field can be composed ofthe following errors:• Out Of Window (OOW) collisions - Collisions caused by a stationon the network violating Carrier Sense and transmitting at will, acable failure occurring during the transmission of a packet, ornetwork propagation delay greater than 51.2 μs.• Cyclical Redundancy Check (CRC) errors - Errors in the 4-byteCRC field of a packet which ensures that the data received by theESXMIM is the same as the data transmitted by the originatingdevice.NOTEFor interface 7, the BRIM port, the In Discards field displaysthe number of times the ESXMIM had to discard packets - anynumber of packets - received on the interface.