Used Cisco 4900 Series Switches

Cisco 4948 Switches

• 96-Gbps nonblocking switch fabric
• 72-Mpps Layer 2 Forwarding (hardware)
• 72-Mpps Layer 3 and Layer 4 forwarding-IP routing, Cisco Express Forwarding-based (hardware)
• Layer 2-4 hardware-based switch engine (application-specific integrated circuit [ASIC]-based)
• Unicast and multicast routing entries: 32,000
• Support for 2048 active VLANs and 4096 VLAN IDs per switch
• Layer 2 multicast addresses: 16,384
• MAC addresses: 32,768
• Policers: 512 ingress and 512 egress
• ACL or quality-of-service (QoS) entries: 32,000
• Uplinks: 4 alternatively wired SFP ports with (Gigabit EtherChannel) support
• Latency: 6 microseconds for 64-byte packets
• Switched virtual interfaces (SVIs): 2048
• STP instances: 1500
• Internet Group Management Protocol (IGMP) snooping entries: 8000