Guest

Cisco Catalyst 4900 Series Switches

Compare Models

Table 1 compares the features of the Cisco Catalyst® 4948, 4948 10 Gigabit Ethernet, 4928 10 Gigabit Ethernet, 4948E, 4948E-F and 4900M Switches.

Table 1. Cisco Catalyst 4900 Series Switches Model Comparison - Hardware Features
Feature and Description
Cisco Catalyst 4948
Cisco Catalyst 4948 10 Gigabit Ethernet
Cisco Catalyst 4928 10 Gigabit Ethernet
Cisco Catalyst 4900M
Cisco Catalyst 4948E and 4948E-F

Environmental

         

Height

1RU

1RU

1RU

2RU

1RU

Dimension (H x W x D) Inches (cm)

1.71(4.3) x 17.3(43.9) x 16.1(40.9)

1.71(4.3) x 17.3(43.9) x 16.1(40.9)

1.71(4.3) x 17.3(43.9) x 16.1(40.9)

3.5 (8.9) x 17.2 (43.7) x 17.9 (45.5)

1.75(4.4) x 17.5(44.4) x 19.4(49.3)

Power Redundancy

1+1 AC or DC

1+1 AC or DC

1+1 AC or DC

1+1 AC or DC

1+1 AC or DC

Unit Weight Pounds (Kilograms)

16.5 (7.48)

16.5 (7.48)

16.5 (7.48)

34.0 lb (15.4)

19 lbs (8.62)

Hot Swappable Fan

Yes

Yes

Yes

Yes

Yes

Avg/Max Power Consumption

176/300 Watts

212/300 Watts

300 Watts

300/446 Watts

230/275 Watts

Airflow

Side to Back

Side to back

Side to back

Side to Back

Front to Back (4948E)

Back to Front (4948E-F)

Rack Mounting Options

Front and Rear Mount

Front and Rear Mount

High Perf Rear Mount

Front and Rear Mount

Four Post Rack Side rail Mount

High Performance Mount

Front and Rear Mount

High Perf Rear Mount

Uplink Optic Types

4 SFP optics

Two X2 (10 Gigabit Ethernet) optics

Two X2 (10 Gigabit Ethernet) optics

Eight X2 (10 Gigabit Ethernet) optics

SFP/SFP+

Cisco TwinGig Converter Module Support

No

No

Yes

Yes (WS-X4908-10GE only)

No

Cisco OneX Converter Module Support (X2 to SFP+)

No

No

Yes

Yes

No

Optics

LH, SX, ZX, CWDM

LR, CX4, LX4, SR, ER, LRM, ZR, DWDM

LR, CX4, LX4, SR, ER, LRM

X2: LR, CX4, LX4, SR, ER, LRM, ZR, DWDM

SFP+: SR

CWDM, DWDM, SR, LR, LRM, CX4

Modular Half-Card Slots

0

0

0

2

0

Ports

         

Maximum 10/100/1000 Ports

48

48

0

40

48

Maximum Gigabit Ethernet (Fiber) Ports

4

0

28

32 (Cisco TwinGig Converter Module)

4

Maximum 10 Gigabit Ethernet (10GBase-T) Ports

0

0

0

16

0

Maximum 10 Gigabit Ethernet (fiber) Ports

0

2 (X2)

2 (X2)1

24 (X2) 1

4 (SFP+)

           

Performance/Scalability

         

Switching Capacity

96 Gbps

136 Gbps

96 Gbps

320 Gbps

176 Gbps

Throughput

72 mpps

102 mpps

72 Mpps

250 mpps for IPv4

125 mpps for IPv6

131 mpps for IPv4

110 mpps for IPv6

Routes Supported

32K

32K

32K

256K

57K

MAC Addresses

32K

55K

55K

55K

55K

Per VLAN Spanning Tree (PVST) Protocol and VLAN IDs

4094

4094

4094

4094

4094

Switched Virtual Interfaces (SVIs)

2000

2000

2000

4094

4094

Active VLANs

4094

4094

2048

4094

4094

Multicast Routes

28K

28K

28K

28K

28K

Security and Quality-of-Service (QoS) Hardware Entries

32K

32K

32K

128K

32K

Switched Port Analyzer (SPAN)

2 ingress and 4 egress

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

16 MB

17.5 MB

17.5 MB

CPU

266 MHz

666 MHz

666 MHz

1.3 GHz

1 GHz

Synchronous Dynamic RAM (SDRAM)

256 MB

256 MB

256 MB

512 MB

1 GB

IPv6 Support

Software Switched

Software Switched

Software Switched

Hardware Switched

Hardware Switched

USB Port

No

No

No

Yes

No

Compact Flash Memory Support

No

No

No

Yes

No

System Reset Button

No

No

Yes

Yes

Yes

PoE: Max. 802.3af Class 3 Devices (15.4W)

0

0

0

0

0

PoE: Max. 802.3af Class 2 Devices (7.3W)

0

0

0

0

0

1. X2 can be converted to SFP+ using OneX Converter Module.