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Catalyst 4840G Server Load Balancing and Layer 3 Switch

Technical Specifications for the Catalyst 4840G

Description

Specification

Performance

22 Gbps switching fabric

73,000 (3 packet), 56,000 (6 packet) connections per second setup rate

240,000 concurrent sessions

More than 9 million pps wire-speed forwarding rate for 64-byte packets

MIPs RISC CPU-R5000, 16 MB Flash, 128 MB DRAM

Route Entries: 24,000 maximum

12 MB memory architecture shared by all ports

Packet forwarding rate for 64-byte packets:

  • 14,880 pps for 10-Mbps ports

  • 148,800 pps for 100BaseT ports

  • 1,488,000 pps for 1000BaseX ports

Management

SNMP Management Information Base (MIB) II

Cisco Server Load-Balancing MIB

Standards

IEEE 802.3x full duplex on 10BaseT, 100BaseTX, and 1000BaseX ports

IEEE 802.1D Spanning-Tree Protocol

IEEE 802.1Q VLAN

IEEE 802.3z 1000BaseX specification

1000BaseX (GBIC)

  • 1000BaseSX

  • 1000BaseLX/LH

  • 1000BaseZX

IEEE 802.3u 100BaseTX specification

IEEE 802.3 10BaseT specification

Y2K

Y2K compliant

Connectors and Cabling

10BaseT ports: RJ-45 connectors; two-pair Category 3, 4, or 5 unshielded twisted-pair (UTP) cabling

100BaseTX ports: RJ-45 connectors; two-pair Category 5 UTP cabling

1000BaseX GBIC ports: SC fiber connectors, single mode or multimode fiber

Console and auxiliary port: RJ-45 connectors, RS-232 serial cabling

Indicators

Per-port status LEDs



Part Numbers for the Catalyst 4840G
Part Description Part Number
Catalyst 4840G Server Load Balancing switch, fixed 40 10/100 FE, 2 1000BaseX (GBIC) Note: GBIC modules need to be to be ordered separately WS-C4840G
PCMCIA Flash Memory Card, 16 MB Option MEM-C6K-FLC16M
PCMCIA Flash Memory Card, 24 MB Option MEM-C6K-FLC24M
1000BaseSX GBIC module WS-G5484
1000BaseLX/LH GBIC module WS-G5486
1000BaseZX (extended reach) GBIC module WS-G5487
Gigabit Ethernet multimode conditioning cable CAB-GELX-625
Catalyst 4840 Redundant Power Supply Rack with 1 Power Supply C4840-PSRACK-PS=
Catalyst 4840 Redundant Power Supply Rack (NPower Supply) C4840-PSRACK=
Catalyst 4840 Redundant Power Supply (requires rack) C4840-PS=
SMARTnet maintenance CON-SNT-WS-C4840G
SMARTnet maintenance CON-SNTE-WS-C4840G
SMARTnet maintenance CON-SNTP-WS-C4840G
SMARTnet maintenance CON-OS-WS-C4840G
SMARTnet maintenance CON-OSE-WS-C4840G
SMARTnet maintenance CON-OSP-WS-C4840G
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