Datasheet

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WS-X4306-GB:
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6 ports
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1000BASE-X (GBIC)
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Cisco IOS Software Release 12.1(8a)EW or later
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IEEE 802.3
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L2-4 Jumbo Frame support (up to 9216 bytes)
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Enterprise and commercial: designed for high-speed backbone, switch-to-switch applications, or small
server farms
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Service provider: GE small aggregation for DSLAM/PON/mobile data backhaul
Figure 22 shows the WS-X4418-GB.
Figure 22. WS-X4418-GB Cisco Catalyst 4500 Gigabit Ethernet Module, Server Switching 18 Ports (GBIC)
WS-X4418-GB:
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18 ports
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1000BASE-X (GBIC)
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Cisco IOS Software Release 12.1(8a)EW or later
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IEEE 802.3, IEEE 802.3x flow control
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2 ports of wire-speed 1000BASE-X Gigabit Ethernet uplinks
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16 ports: 4:1 oversubscribed
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Enterprise and commercial: designed for fiber to the desktop, switch-to-switch applications, or small server
farms
Figure 23 shows the WS-X4448-GB-SFP.
Figure 23. WS-X4448-GB-SFP Cisco Catalyst 4500 Gigabit Ethernet Module, 48 Ports 1000X (SFP)