Cisco 4948-10GE Installation Guide - Page 25
Catalyst 4948 Switch Software Features - catalyst 48 port
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Chapter 1 Product Overview Catalyst 4948 Switch Software Features Figure 1-3 Catalyst 4928-10GE Switch 271710 PS1 PS2 FAN STATUS 1 8 9 16 17 CON MGMT 24 25 26 ENABLED 27 28 Catalyst ME 4924 10GE 29 ENABLED 30 The Catalyst 4928-10GE switch has a 48-Gbps, nonblocking, full-duplex switching fabric, providing 102 million packets-per-second of switching capacity for high-speed applications. The Catalyst 4928-10GE chassis has 28 1000BASEX SFP ports, and two X2 10-Gigabit Ethernet uplink ports. All three switches have a removable automatic variable speed fan tray for low noise operation at room temperature and removable and redundant 300 W AC or 300 W DC power supply provides fault-tolerance protection for the switch. See the "Connecting AC Power to the Switch" section on page 3-9. Catalyst 4948 Switch Software Features The following is an overview of Catalyst 4948 features: • Layer 2, Layer 3, and Layer 4 switching services • Support for 32,768 MAC addresses for Layer 2 switching • Support for 2,048 VLANs and 4,096 VLAN IDs - IEEE 802.1Q VLAN tagging on all ports - Q-in-Q for EFM - Cisco Inter Switch Link (ISL) tagging on all ports • 16,000 multicast forwarding entries and 16,000 unicast forwarding entries • 512 ingress policers and 512 egress policers • 8,000 ingress Security ACEs (Access Control Entries) and 8,000 egress Security ACEs • Support for port aggregation using Port Aggregation Protocol (PAgP) for Gigabit EtherChannel 78-18039-02 Catalyst 4900 Series Switch Installation Guide 1-3