3Com 3CRS48G-48P-91 Data Sheet - Page 6

6 3COM SWITCH 4800G GIGABIT FAMILY SPECIFICATIONS (continued) Forwarding (DSCP EF) remarking for prioritization of VoiP traffic Application rate limiting, inbound and outbound; Committed Access Rate (CAR) with granularity of 64 kbit/sec. Restricted packet sending and receiving rates with granularity of 64 kbits/sec. Storm suppression based on port rate percentage and pps Port-based traffic shaping on egress Queue-based traffic shaping on egress Wake-on-LAn support iEEE 802.3af Power over Ethernet standards-compliant (PWR models) SECURITY iEEE 802.1X network login user authentication: • Local, RADiUS, or tACACS+ server authentication • Port-based, MAC-based and trunk port authentication • PAP, ChAP, EAP over LAn (EAPoL), EAP-tLS/ttLS, EAP-MD5 and PEAP • Automatic port assignment of VLAns, ACLs and QoS profile based on user • Multiple users per port • 1,024 max online users • Guest VLAn option • Multiple authentication server realm definitions isolate user VLAns Centralized MAC address authentication AAA authentication iEEE 802.1X or tACACS+ user authentication of switch management on tELnEt and console sessions RADiUS/tACACS+ session accounting RADiUS Authenticated Device Access (RADA): authenticate devices based on MAC address against RADiUS server or local database Combined MAC and iEEE 802.1X authentication on same port Black-hole MAC addresses DhCP tracker DhCP snooping, including DhCP trust Wirespeed packet filtering in hardware ACLs filter at Layers 2, 3 and 4: • Source/destination MAC address • Ethernet type • Source/destination iP address • Source/destination tCP port • Source/destination UDP port User-defined ACL filters VLAn-based ACLs Port-based MAC address Disconnect Unknown Device (DUD) ARP inspection and iP source guard ARP spoofing prevention Unicast Reverse Path Forwarding (URPF) MD5 cipher-text and clear-text authentication for OSPF v2 and RiP v2 packets and SnMP v3 traffic hierarchical management and password protection for management interface and encrypted traffic, with SnMP v3, SSL, and SSh v2 4 local user access privilege levels trusted management station iP and/or MAC address Encoded Archival Description (EAD) Denial of service protection STACKING Use optional CX4 or XFP connections for high-bandwidth stacking of multiple units Resilient stacking; full duplex bandwidth of 96 Gbps when using CX4 cables and link aggregation (48 Gbps without aggregation); 40 Gbps when using 10-Gigabit connections Single iP address and management interfaces for stack-wide control hot-swappable, closed-loop resilient stacking Distributed Resilient Routing with router tables in all units; no master/slave arrangement Combine any Switch 4800G models into a single stack, up to 9-high, when using XRn technology Clustered stacking technology: single iP management for up to 255 devices from different 3Com switch families, including Switch 5500G, 5500, 4800G, 4500G, 4500, 4200G and 4210 MANAGEMENT Single console interface Configuration via CLi (Command Line interface), Console port, Simple network Management Protocol (SnMP), embedded web interface Remote configuration via tELnEt Embedded web management interface System configuration with SnMP v1, 2c and 3 Comprehensive statistics, including ACL/QoS and iP interface Syslog iPv4 management including ping, traceroute, tELnEt, and remote ping iPv6 management including pingv6, tracertv6, telnetv6, tFtPv6, DnSv6 and ARPv6 iPv6 management interface iP address configuration Remote Monitoring (RMOn) groups statistics, history, alarm and events DhCP server including options 60, 82 and 184 Supports multiple software images and bank swap, stored in non-volatile memory 1-to-1 port mirroring Many-to-1 port mirroring VLAn-to-1/flow-based port mirroring Remote port mirroring (RSPAn) Ability to apply ACL to mirror port and forward only certain traffic types Detailed alarm and debug information Front panel indicators for port and unit status information Configuration file for backup and restore, stored in non-volatile memory; multiple configuration files available Backup and restore of software images network time Protocol (ntP) DhCP Relay and UDP helper System file transfer mechanisms: Xmodem, FtP, Secure FtP (SFtP), trivial FtP (tFtP) Virtual Cable test (VCt) function Link Layer Discovery Protocol (LLDP) and LLDP-MED sFlow Power alarms; fan and temperature alarms Debugging information output Device Link Detection Protocol (DLDP) Port loopback detection Management applications: • 3Com intelligent Management Center (iMC) • 3Com network Supervisor (3nS) • 3Com network Director (3nD) • 3Com Enterprise Management Suite (EMS) • QuidView network Management Systems (nMS) DIMENSIONS height: 43.6 mm (1.7 in or 1 RU) Width: 440.0 mm (17.4 in) Depth: 24- and 48-port non-PWR: 300.0 mm (11.8 in) 24- and 48-port PWR: 420.0 mm (16.5 in) 24-port SFP: 360.0 mm (14.2 in) Weight: Switch 4800G 24-Port: 4.0 kg (8.8 lbs) Switch 4800G 48-Port: 4.5 kg (9.9 lbs) Switch 4800G PWR 24-Port: 6.0 kg (13.2 lbs) Switch 4800G PWR 48-Port: 6.5 kg (14.3 lbs) Switch 4800G 24-Port SFP: 6.3 kg (13.9 lbs) POWER SUPPLY AC Rated voltage range: 100 V to 240, 50/60 hz