Datasheet

Data Sheet
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Feature Comparison
Table 2 compares the features of the Cisco Catalyst 4948 Switch, Catalyst 4948 10 Gigabit
Ethernet Switch, and Catalyst 4900M Switch.
Table 2. Cisco Catalyst 4900 Series Switches Model Comparison
Feature and Description Cisco
®
Catalyst 4948 Cisco Catalyst 4948 10
Gigabit Ethernet
Cisco Catalyst 4900M
Switching Capacity 96 Gbps 136 Gbps 320 Gbps
Throughput 72 mpps 102 mpps
●
250 mpps for IPv4
●
125 mpps for IPv6
IPv6 Support In Software In Software In Hardware
Height 1RU 1RU 2RU
Modular Half-Card Slots 0 0 2
Maximum 10/100/1000 Ports 48 48 40
Maximum 10 Gigabit
Ethernet Ports
0 2 24
Maximum Gigabit Ethernet
(Fiber) Ports
4 0 32 (Cisco TwinGig Converter
Module)
Cisco TwinGig Converter
Module Support
No No Yes (half-cards only)
Uplink Optic Type 4 Small Form-Factor
Pluggable (SFP) optics
2 X2 (10 Gigabit Ethernet)
optics
8 X2 (10 Gigabit Ethernet)
optics
Multilayer Switching IP Base and Enterprise
Services options
IP Base and Enterprise
Services options
IP Base and Enterprise
Services options
Shared Buffer 16 MB 16 MB 16 MB
CPU 266 MHz 666 MHz 1.3 GHz
Synchronous Dynamic RAM
(SDRAM)
256 MB 256 MB 512 MB
Active VLANs 4096 4096 4096
Multicast Entries
●
28,000 (Layer 3)
●
16,000 (Layer 2)
●
28,000 (Layer 3)
●
16,000 (Layer 2)
●
56,000 for IPv4
●
28,000 for IPv6
Per-VLAN Spanning Tree
(PVST) and VLAN IDs
4096 4096 4096
Spanning Tree Protocol
Instances
1500 1500 3000
Switched Virtual Interfaces
(SVIs)
2000 2000 4000
Security and QoS Hardware
Entries
32,000 32,000 128,000
MAC Addresses 32,000 55,000 55,000
Switched Port Analyzer
(SPAN)
2 ingress and 4 egress 2 ingress and 4 egress 8 ingress and 8 egress
USB Port No No Yes
Compact Flash Memory
Support
No No Yes
System Reset Button No No Yes
Minimum Software
Requirement
Cisco IOS
®
Software Release
12.2(20)EWA or later
Cisco IOS Software Release
12.2(25)EWA or later
Cisco IOS Software Release
12.2(40)XO or later in both
Data sheets