WS-C4900M Specifications |
|
| Switching capacity | 320 Gbps |
| Throughput | 250 mpps for IPv4
125 mpps for IPv6 |
| IPv6 support | In hardware |
| Height | 2RU |
| Modular half-card slots | 2 |
| Maximum 10/100/1000 Ports | 40 |
| Maximum 10 Gigabit Ethernet (RJ-45) ports | 16 |
| Maximum 10 Gigabit Ethernet (fiber) ports | 24 |
| Maximum Gigabit Ethernet (fiber) ports | 32 (Cisco TwinGig Converter Module) |
| Cisco TwinGig Converter Module support | Yes (half cards only) |
| Uplink optic types | Eight X2 (10 Gigabit Ethernet) optics, 8 SFP+ (using OneX) |
| Multilayer switching | IP Base and Enterprise Services options |
| Shared buffer | 17.5 MB |
| CPU | 1.3 GHz |
| Synchronous Dynamic RAM (SDRAM) | 512 MB |
| Active VLANs | 4096 |
| Multicast entries | 70,000 for IPv4
35,000 for IPv6 |
| Per VLAN Spanning Tree (PVST) Protocol and VLANÂ IDs | 4096 |
| Spanning Tree Protocol instances | 4094 |
| Switched Virtual Interfaces (SVIs) | 4096 |
| Security and quality-of-service (QoS) hardware entries | 128,000 |
| MAC addresses | 55,000 |
| Switched Port Analyzer (SPAN) | 8 ingress and 8 egress |
| USB port | Yes |
| Compact flash memory support | Yes |
| System reset button | Yes |
| Minimum software requirement | Cisco IOS Software Release 12.2(46)SG or later |
| Dimension (H x W x D [mm]) | 3.5 (89) x 17.2 (437) x 17.9 (455) |
| Weight | Cisco Catalyst 4900M 8-port base unit plus fan (no power supply): 25.0 lb (11.3 kg)
Cisco Catalyst 4900M 8-port base unit plus fan and 1 AC power supply: 29.5 lb (13.4 kg) |
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