Cabletron Systems SmartCell 6A000 - Manual (Page 71)

SmartCell 6A000 User Guide Appendix A-7
Features and Specifications Features
A.2.6 Connection Management


Ceiling limit protects buffer resources from being consumed by individual ports


Floor limit reserves buffer capacity for specific ports, such as those to heavily used servers or
WAN/ATM services


Four configurable thresholds for forward congestion marking (EFCI)


UNI 4.0-based backward RM cell marking for fast, closed-loop flow control for ABR connections


Multiple threshold levels for Early Packet Discard


Automatic Partial Packet Discard
A.2.7 LAN Servers and Clients
ATM Forum LAN Emulation (LANE) 1.0


Up to 127 emulated LANs (ELANs)


LANE configuration server (LECS)


LANE server (LES)


Broadcast and unknown server (BUS)


LANE client (LEC)


802.3 (Ethernet) emulation


802.5 (Token Ring) emulation
IETF RFC 1577 Classical IP over ATM


Up to 127 logical IP subnetworks (LISs)


IP-ATM (ARP) address resolution protocol server


IP-ATM client
A.2.8 Management


Serial port for terminal or modem access


Ethernet port for telnet access


In-band management using switch LANE or IP-ATM clients


Management applications: Cabletron Systems SPECTRUM for Open Systems, third-party
SNMP-based managers