Data Sheet
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Feature and Description Cisco Catalyst 4948
Switch
Cisco Catalyst 4948 10
Gigabit Ethernet Switch
Cisco Catalyst 4900M
Switch
Cisco Catalyst 4948E and
4948E-F Switches
Performance and Scalability
Switching capacity 96 Gbps 136 Gbps 320 Gbps 176 Gbps
Throughput 72 million packets per
second (mpps)
102 mpps 250 mpps for IPv4
125 mpps for IPv6
131 mpps for IPv4
110 mpps for IPv6
Routes supported 32,000 32,000 256,000 57,000
MAC addresses 32,000 55,000 55,000 55,000
Per-VLAN Spanning Tree
(PVST) Protocol and
VLAN IDs
4094 4094 4094 4094
Spanning Tree Protocol
instances
4094 4094 4094 4094
Switched virtual
interfaces (SVIs)
2000 2000 4094 4094
Active VLANs 4094 4094 4094 4094
Multicast routes 28,000 28,000 28,000 28,000
Security and quality-of-
service (QoS) hardware
entries
32,000 32,000 128,000 32,000
Switched Port Analyzer
(SPAN)
2 ingress and 4 egress 2 ingress and 4 egress 8 ingress and 8 egress 8 ingress and 8 egress
Shared buffer 16 MB 16 MB 17.5 MB 17.5 MB
CPU 266 MHz 666 MHz 1.3 GHz 1 GHz
Synchronous dynamic
RAM (SDRAM)
256 MB 256 MB 512 MB 1 GB
Multilayer switching LAN Base, IP Base, and
Enterprise Services options
LAN Base, IP Base, and
Enterprise Services options
LAN Base, IP Base, and
Enterprise Services options
LAN Base, IP Base, and
Enterprise Services options
IPv6 support Software switched Software switched Hardware switched Hardware switched
USB port No No Yes No
Compact flash memory
support
No No Yes No
System reset button No No Yes Yes
Minimum software
requirements
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(46)SG or later
Cisco IOS Software
Release 12.2(54)SG or later
(Cisco Catalyst 4948E)
Cisco IOS Software
Release 12.2(54)WO
or later (Cisco Catalyst
4948E-F)
*
X2 can be converted to SFP+ using the Cisco OneX Converter Module.
Supported Small Form-Factor Pluggable Optics and Copper Media
The Cisco Catalyst 4948E and 4948E-F supports 10 Gigabit Ethernet SFP and SFP+ on all the four uplinks. For
more information about Cisco transceiver modules compatible with the Cisco Catalyst 4948E and 4948E-F, visit
http://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_tables_list.html.
(19 pages)
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