Copyright © 1998 Cisco Systems, Inc. All Rights Reserved.
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Scalability Up to 1024 port-based VLANs with ISL trunking (Enterprise Edition only)
Up to 64 ATM Emulated LANs (ELANs) (Enterprise Edition only)
Dynamic Multicast management with CGMP allows video servers to
send a single multicast videostream to select end stations
• Restricts broadcast traffic to well defined administrative domains
• Controls port traffic within well defined administrative domains, adds
firewall protection, and simplifies adds, moves, and changes across
the network
• Enables theswitchto selectivelyforward routedIPmulticast trafficto
targeted multimedia end stations, reducing overall network traffic
Resilient Link (Enterprise Edition only) Recover from network failure by
reactivating links in three to five seconds instead of the 30-60 seconds
with 802.1d Spanning Tree Protocol
• Increases fault tolerance by enabling the switch to automatically
regain online status after a link disruption
Overlapping bridge groups (Enterprise Edition only) A single port can
belong to multiple broadcast domains
• Manages bandwidth and provides added security through broadcast
control
Network Management Web-based management interface • Allows user to quickly configure and manage switch from any client
on the Internet with a standard Web browser
Telnet support for 7 simultaneous sessions • Allows menu-based management by terminal emulation software
over the network
Menu-based, out-of-band management system through a console port
to a local terminal or modem
• Permits management by a local administrator, central MIS group or
service bureau
Port Aggregation Protocol (PAgP) dynamically adds or deletes link from
the Fast EtherChannel group (Enterprise Edition only)
• Eases network administration by automatically creating Fast
EtherChannel groups
Cisco IOS command-line interface (CLI), a common interface for Cisco
routers, switches, and access servers (Enterprise Edition only)
• Provides detailed out-of-band management
Autoconfiguration, which automatically retrieves the configuration
file from a boot server each time the switch boots up (Enterprise
Edition only)
• Eases the deployment of switches in the network by automatically
configuring multiple switches across a network via a boot server
DNS. A Catalyst 1900/2820 administrator can specify an end system or
another Catalyst 1900/2820 by name, rather than an IP address
• Eases network administration by enabling name assignments
SNMP MIB II and private extensions. Bridging MIB, SMT 7.3, FDDI MIB • Enables full management and configuration of the switches from any
network management station
Four groups of embedded RMON • Provides history, statistics, alarms and event groups for enhanced
traffic monitoring
Supports all 9 RMON groups through SPAN support that connects to an
external network analyzer or RMON probe
• Offers complete monitoring of a single port, group of ports or the
entire switch from a single network analyzer or RMON probe
attached to a switch port
Cisco Discovery Protocol (CDP) • Enables a CiscoWorks network management station to automatically
discover the switch in a network topology without user intervention
Dynamic Host Configuration Protocol (DHCP) • Eases network administration by automatically requesting an IP
address from any network DHCP server
Extensive LED display includingutilization meter for gauging thecurrent
aggregate forwarding bandwidth of the switch, as well as the peak
utilization in a user-definable period
• Provides comprehensive visual management of the switch
Table 1 Catalyst 1900 and 2820 Features and Benefits Summary (Continued)
Feature Description Benefits
(20 pages)
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