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Cisco WS-C4900M Manual Page 175

Scalable, intelligent lan switching for campus, branch, and data center networks of all sizes.
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Table of Contents
Hardware Features (continued)
Ports (continued)
Maximum Gigabit
Ethernet (Fiber) Ports
Maximum 10 Gigabit
Ethernet (10GBase-T)
Ports
Maximum 10 Gigabit
Ethernet (fiber) Ports
Performance/Scalability
Switching Capacity
Throughput
Routes Supported
MAC Addresses
Per VLAN Spanning
Tree (PVST) Protocol
and VLAN IDs
Switched Virtual
Interfaces (SVIs)
Active VLANs
Multicast Routes
Security and Quality-
of-Service (QoS)
Hardware Entries
Switched Port Analyzer
(SPAN)
Shared Buffer
CPU
Synchronous Dynamic
RAM (SDRAM)
IPv6 Support
USB Port
Compact Flash
Memory Support
System Reset Button
PoE: Max. 802.3af Class
3 Devices (15.4W)
PoE: Max. 802.3af Class
2 Devices (7.3W)
WS-C4948-
WS-C4948
10GE
4
0
0
0
0
2 (X2)
96 Gbps
136 Gbps
72 Mpps
102 Mpps
32K
32K
32K
55K
4094
4094
2000
2000
4094
4094
28K
28K
32K
32K
2 Ingress and
2 Ingress and
4 Egress
4 Egress
16 MB
16 MB
666 MHz
266 MHz
256 MB
256 MB
Software
Software
Switched
Switched
No
No
No
No
No
No
0
0
0
0
WS-C4928-
WS-4900M
10GE
32 (Cisco
TwinGig
28
Converter
Module)
0
2 (X2)
1
24 (X2)
96 Gbps
320 Gbps
250 Mpps
72 Mpps
for IPv4 125
Mpps for IPv6
32K
256K
55K
4094
4094
2000
4094
2048
4094
28K
32K
128K
2 Ingress and
8 Ingress and
4 Egress
8 Egress
16 MB
17.5 MB
1.3 GHz
666 MHz
256 MB
512 MB
Software
Hardware
Switched
Switched
No
No
Yes
0
0
*
X2 can be converted to SFP+ using OneX Converter Module.
WS-C4948-
E/WS-
C4948E-F
4
16
0
1
4 (SFP+)
176 Gbps
131 Mpps
for IPv4 110
Mpps for IPv6
57K
55K
55K
4094
4094
4094
28K
28K
32K
8 Ingress and
8 Egress
17.5 MB
1 GHz
1 GB
Hardware
Switched
Yes
No
Yes
No
Yes
Yes
0
0
0
0
175

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