Cabletron Systems MMAC-Plus 9E312-12 User Manual

Also see for MMAC-Plus 9E312-12: Appendix

Contents

Introduction1-2FeaturesProcessorThe 9E312-12 is equipped with an advanced Intel i960 microprocessor. Thismicroprocessor provides a platform for all management functions such asSpanning Tree, RMON, and MIB support within a scalable RISC-basedarchitecture.Fast Packet SwitchingThe 9E312-12 incorporates a hardware based switch design referred to as a FastPacket Switch (FPS), a collection of custom ASICs designed specifically for highspeed switching. Because all frame translation, address lookups, and forwardingdecisions are performed in hardware, the 9E312-12 can obtain a throughputperformance of greater than 130K pps.ManagementThe 9E312-12 features SNMP for local and remote management. Localmanagement is provided through the RS-232 Com ports on the MMAC-PlusEnvironmental Module using a standard VT-220 terminal or emulator. Remotemanagement is possible through Cabletron’s SPECTRUM or any SNMPcompliant management tool. Included as management features are the IETFStandard Management Information Base (MIBs) RMON (RFC1271), IETF MIB II(RFC-1213), IETF Bridge MIB (RFC-1493), and a host of other Cabletron enterpriseMIBs. The 9E312-12 also offers the user a wide variety of statistical networkmanagement information to enhance network planning and troubleshooting. Thismodule provides information for each front panel Ethernet 10Base-T port,including packet counts along with errored frame information such as collisions,CRCs, and Giants, via a variety of industry standard and private MIBS. Industrystandard IEEE 802.1d bridging, including Spanning Tree Algorithm, is supported.ConnectivityThe 9E312-12 module has one interface to the INB and twelve front panel Ethernetconnections. The INB interface is a fixed connection to INB-1 which allows the9E312-12 to communicate with other MMAC-Plus modules supporting variousLAN technologies including: Token Ring, FDDI, Ethernet, WAN and ATM. Thefront panel Ethernet connections are via standard RJ-45 connectors supportingUTP and STP cabling up to 100 meters in length.