| General |
| Type of Switch |
Layer 3 Switch |
| Interfaces |
48 x RJ-45 10/100/1000Base-T LAN |
| Number of Network Ports |
48 |
| Additional Specifications |
| Frequency Band |
Power-Supply Redundancy for Nonstop Operation Robust Network Security Switch heat dissipation: 1023 BTU/hour Switched Virtual Interfaces (SVIs): 2k Storm control Hardware-based IP Cisco Express Forwarding routing at 102 mpps Policy-based routing (PBR) Bandwidth aggregation up to 40 Gbps using Cisco Gigabit Ethernet EtherChannel technology Support for 55,000 unicast and 16000 multicast MAC addresses Security Features: Hardware-based ACLs, router ACLs (RACLs), VLAN ACLs TACACS+ and RADIUS 802.1x accounting 802.1x authentication failure 802.1x Private VLAN assignment Port security Sticky port security SSHv1 and SSHv2 VLAN Management Policy Server (VMPS) client Unicast MAC filtering Unicast port flood blocking Dynamic Address Resolution Protocol (ARP) inspection IP source guard Community Private VLANs Trunk Port Security |
| Connectivity Media |
Twisted Pair 10/100/1000Base-T |
| Number of Total Expansion Slots |
2 |
| Management |
Cisco Network Assistant CiscoWorks Cisco SmartPort macros CiscoView SNMPv1, v2, and v3 instrumentation, delivering comprehensive in-band management CLI-based management console to provide detailed out-of-band management Remote Monitoring (RMON) software agent Per VLAN Spanning Tree (PVST) and VLAN IDs: 4096 QoS and Traffic Management: Per-port QoS configuration Support for four queues per port Strict priority queuing IP differentiated services code point (DSCP) Classification and marking based on IP type of service (ToS) or DSCP Classification and marking based on full Layer 3 and Layer 4 headers Input and output policing based on Layer 3 and Layer 4 headers Support for 512 policers on ingress and 512 policers on egress Shaping and sharing output queue management DBL-congestion-avoidance feature No performance penalty for granular QoS functions Per-port, per-vlan QoS |
| Layer Support |
4 |
| Product Line |
Catalyst |
| Number of Network (RJ-45) Ports |
48 |
| Media Type Supported |
Twisted Pair |
| Product Model |
4948 |
| Total Number of Network Ports |
48 |
| Front Camera |
Cisco |
| Performance |
102Mpps Switching Performance |
| Product Series |
4900 |
| Brand Name |
Cisco |
| Manageable |
Yes |
| Quick Glance |
| Number of Ports |
48 |
| Network Support |
48 x RJ-45 10/100/1000Base-T LAN |
| Dimensions |
| Weight |
17.20 lb |
| Dimensions |
1.75" Height x 17.50" Width x 16" Depth |
| More Info |
| URL |
http://www.cisco.com |