Datasheet
Table Of Contents
- DATA SHEET
- CISCO CATALYST 6500 SERIES 10/100 AND 10/100/1000 ETHERNET INTERFACE MODULES
- IP TELEPHONY AND USER-MOBILITY SUPPORT WITH CISCO CATALYST 6500 SERIES 10/100 AND 10/100/1000 ETHERNET INTERFACE MODULES
- CISCO CATALYST PRESTANDARD INLINE POWER AND IEEE 802.3AF POE
- POWERED DEVICE DISCOVERY
- AUXILIARY VLAN
- AutoQoS
- CISCO IBNS
- ENHANCED OPERATIONAL CONTROL FOR ENHANCED MANAGEABILITY
- CISCO CATALYST 6500 SERIES 10/100 AND 10/100/1000 MODULES
- CISCO CATALYST 6500 SERIES CISCO EXPRESS FORWARDING 720 10-, 100-, AND 1000-MBPS ETHERNET-OVER-COPPER MODULES
- CISCO CATALYST 6500 SERIES CISCO EXPRESS FORWARDING 256 10/100 AND 10/100/1000 INTERFACE MODULES
- CISCO CATALYST 6500 SERIES POE, CLASSIC 10/100, AND 10/100/1000 INTERFACE MODULES
- CISCO CATALYST 6500 SERIES DATA-ONLY CLASSIC GIGABIT ETHERNET-OVER-COPPER INTERFACE MODULE
- ORDERING INFORMATION
- ORDERING INFORMATIONŠDFC DAUGHTER CARDS
- SPECIFICATIONS
- SERVICE AND SUPPORT
- FOR MORE INFORMATION

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CISCO CATALYST 6500 SERIES CISCO EXPRESS FORWARDING 720 10-, 100-, AND 1000-MBPS ETHERNET-OVER-COPPER
MODULES
Designed for high-performance enterprise and service provider distribution, core layers, data-center, and Web-hosting applications where voice
capability is not required, Cisco Express Forwarding 720 twisted-pair interface modules provide line-rate 10/100/1000 Ethernet forwarding with the
following operational advantages (refer to Table 3):
• Forwarding architecture—These modules use the central Cisco Express Forwarding engine located on the supervisor engine; optional field-
upgradable Distributed Cisco Express Forwarding daughter cards are available.
• Forwarding performance—These modules forward packets up to 30 Mpps per system; they forward packets up to sustained 48 Mpps per slot for
slots equipped with distributed forwarding cards (DFC or DFC3).
• Fabric connection—These modules connect to the switch-fabric channels using dual 20 Gbps switch-fabric channels (40 Gbps total).
• Supervisor engine—These modules work with Supervisor Engine 720.
• Distributed forwarding upgrade option—These modules help enable full locally distributed forwarding; they use an optional (part number WS-
F6700-DFC3) upgrade to operate with the Supervisor Engine 720, and they provide optimal interface module performance.
• Slot and chassis requirements—These modules can occupy any slot in the Cisco Catalyst 6506, Catalyst 6509, Catalyst 6509-NEB, or Catalyst
6509-NEB-A; they require slots 9 through 13 when used in the Cisco Catalyst 6513. Cisco Catalyst 6503 support is under consideration for the
future (refer to release notes for details).
• Maximum port density per chassis—These modules support up to 384 ports per Cisco Catalyst 6509, up to 240 Cisco Express Forwarding-based
ports, and an additional 336 classic or Cisco Express Forwarding 256-based ports per Cisco Catalyst 6513.
PoE is not supported on Cisco Express Forwarding 720 10/100/1000 interface modules.
Table 3. Cisco Express Forwarding 720 Copper 10/100/1000 Ethernet Interface Module
Product Number Primary
Application
Ports, Connector,
Maximum Distance,
and Cable Type
PoE
Support
Maximum Frame
Size (jumbo
frame) Support
Queues per Port (Tx =
Transmit, Rx = Receive)*
Buffer Size
per Port
WS-X6748-GE-TX Data center and
server farm
48, RJ-45, 100m,
Category 5 cable
No Up to 9216 bytes
per frame
Tx-1p3q8t; Rx-1q8t
(when using Distributed
Cisco Express
Forwarding)
1.3 MB
* Queues Legend: 1p3q1t = 1 priority queue, 3 round robin queues, 1 threshold
Figure 1. Cisco Express Forwarding 720 10/100/1000 Interface Module (part number WS-X6748-GE-TX) with Distributed Cisco
Express Forwarding Daughter Card (part number WS-F6700-DFC3A)
CISCO CATALYST 6500 SERIES CISCO EXPRESS FORWARDING 256 10/100 AND 10/100/1000 INTERFACE MODULES
Designed for premier wiring closets, small campus backbone, and server farm applications, Cisco Express Forwarding 256 10/100 and 10/100/1000
Ethernet-over-copper interface modules provide line-rate 10/100 Ethernet forwarding and gigabit bandwidth options. (Refer to Table 4).