The Cisco® Catalyst® 4948 is a wire-speed, low-latency, Layer 2-4, 1-rack-unit (1 RU) fixed-configuration switch for rack-optimized server switching. Based on the proven Cisco Catalyst 4500 Series hardware and software architecture, the Cisco Catalyst 4948 Series offers exceptional performance and reliability for low density, multilayer aggregation of high performance servers and workstations. The Cisco Catalyst 4948 offers 48 ports of wire-speed 10/100/1000BASE-T with 4 alternative wired ports that can accommodate optional 1000BASE-X Small Form-Factor Pluggable (SFP) optics1. Exceptional reliability and serviceability are delivered with optional internal AC or DC 1 + 1 hot-swappable power supplies and a hot-swappable fan tray with redundant fans.
Products specifications
Attribute name | Attribute value |
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Latency | 6 microseconds for 64-byte packets |
Switching protocols | EIGRP, OSPF, RIP, RIP2, MBGP, HSRP, IGMPv1-3, DVMRP |
Memory and processor | Flash Memory 16 MB |
Switching capacity | 96 Gbit/s |
Management platform | Cisco CLI, Cisco Works LMS |
Dimensions (WxDxH) | 1 Gbit/s |
Bundled software | Standard multilayer image Software (EMI)includes: Routing Information Protocol Version 1 (RIPv1), RIPv2, static routes, AppleTalk, and Internetwork Packet Exchange (IPX) software routing |
Networking standards | 300 W |
Maximum data transfer rate | 1 Gbit/s |
Processor frequency | 266 MHz |
I/O ports | Ethernet, Fast Ethernet, Gigabit Ethernet |
Packet transfer speed | 32768 entries |
Data link protocols | Ethernet, Fast Ethernet, Gigabit Ethernet |
MAC address table | 32768 entries |
Basic switching RJ-45 Ethernet ports quantity | 52 |
Power consumption (typical) | 300 W |
Storage temperature (T-T) | -40 - 75 °C |
Minimum RAM | 256 MB |
Management protocols | 96 Gbit/s |