Chapter 23: RMON Configuration Guide316 SmartSwitch Router User Reference ManualStandard RMON GroupsThis section describes the RMON groups that are enabled when you specify the Standardsupport level. The Standard RMON groups are shown in the table below.Professional RMON GroupsThe Professional RMON groups correspond to the RMON 2 groups defined in RFC 2021.While RMON 1 groups allow for the monitoring of packets at the MAC layer, RMON 2groups focus on monitoring traffic at the network and application layers.The Professional RMON groups are shown in the table below.Table 11. Standard RMON GroupsGroup FunctionHost Records statistics about the hosts discovered on the network.Host Top N Gathers the top n hosts, based on a specified rate-basedstatistic. This group requires the hosts group.Matrix Records statistics for source and destination address pairs.Filter Specifies the type of packets to be matched and how andwhere the filtered packets should flow (the channel).Packet Capture Specifies the capture of filtered packets for a particularchannel.Table 12. Professional RMON GroupsGroup FunctionProtocol Directory Contains a list of protocols supported by the SSR andmonitored by RMON. See the RMON 2 Protocol Directoryappendix in the SmartSwitch Router Command Line InterfaceReference Manual.Protocol Distribution Records the packets and octets for specified ports on a perprotocol basis.Application LayerHostMonitors traffic at the application layer for protocols definedin the protocol directory.Network Layer Host Monitors traffic at the network layer for protocols defined inthe Protocol Directory.
