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Cisco Catalyst 4900 Series Switches
Cisco Catalyst 4900 Series Switches Model Comparison
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Table 1 compares the features of the Cisco Catalyst® 4948 Switch, Catalyst 4948-10GE, Catalyst 4928-10GE, and Catalyst 4900M Switch.
Table 1. Cisco Catalyst 4900 Series Switches Model Comparison
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Feature and Description
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Cisco Catalyst 4948
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Cisco Catalyst 4948-10GE
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Cisco Catalyst 4928-10GE
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Cisco Catalyst 4900M
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Switching capacity
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96 Gbps
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136 Gbps
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96 Gbps
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320 Gbps
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Throughput
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72 million packets per second (mpps)
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102 mpps
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102 mpps
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250 mpps for IPv4
125 mpps for IPv6
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Height
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1RU
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1RU
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1RU
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2RU
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Modular half-card slots
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0
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0
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0
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2
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Maximum 10/100/1000 ports
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48
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48
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0
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40
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Maximum 10 Gigabit Ethernet ports
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0
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2
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2
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24
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Maximum Gigabit Ethernet (fiber) ports
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4
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0
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28
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32 (TwinGig)
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TwinGig Module support
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No
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No
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No
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Yes (8 port half card only)
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Uplink optic types
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4 Small Form-Factor Pluggable (SFP) optics
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2 X2 (10 Gigabit Ethernet) optics
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2 X2 (10 Gigabit Ethernet) optics
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8 X2 (10 Gigabit Ethernet) optics
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Multilayer switching
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IP Base and Enterprise services options
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IP Base and Enterprise services options
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IP Base and Enterprise services options
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IP Base and Enterprise services options
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Shared buffer
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16 MB
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16 MB
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16 MB
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16 MB
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Routes
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32K
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32K
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32K
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200K IPv4, 128K IPv6
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CPU
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266 MHz
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666 MHz
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666 MHz
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1.3 GHz
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Synchronous dynamic RAM (SDRAM)
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256 MB
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256 MB
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256 MB
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512 MB
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Active VLANs
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2048
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2048
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2048
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4196
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Multicast entries
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28,000 (Layer 3)
16,000 (Layer 2)
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28,000 (Layer 3)
16,000 (Layer 2)
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28,000 (Layer 3)
16,000 (Layer 2)
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56,000 for IPv4
28,000 for IPv6
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Per VLAN Spanning Tree (PVST) and VLAN IDs
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4096
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4096
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4096
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4096
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Spanning Tree Protocol instances
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1500
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1500
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1500
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3000
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Switched virtual interfaces (SVIs)
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2000
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2000
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2000
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4000
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Security and quality-of-service (QoS) hardware entries
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32,000
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32,000
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32,000
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128,000
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MAC addresses
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32,000
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55,000
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55,000
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55,000
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Switched Port Analyzer (SPAN)
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2 ingress and 4 egress
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2 ingress and 4 egress
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2 ingress and 4 egress
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8 ingress and 8 egress
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USB port
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No
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No
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No
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Yes
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Compact flash memory support
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No
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No
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No
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Yes
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Minimum software requirement
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Cisco IOS Software Release 12.2(20)EWA or later
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Cisco IOS Software Release 12.2(25)EWA or later
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12.2.46)SG
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Cisco IOS Software Release 12.2(46)SG or later
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