Solution Overview
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Feature Classic Interface
Modules
Cisco Express
Forwarding 256 Interface
Modules
Cisco Express
Forwarding 720 Interface
Modules
Supervisor Engine
Supported
●
Supervisor Engine 1A
●
Supervisor Engine 2
●
Supervisor Engine 720
●
Supervisor Engine 1A
●
Supervisor Engine 2
●
Supervisor Engine 720
Supervisor Engine 720
Optional DFC
Upgrade Support
Not supported
●
Use WS-F6K-DFC)
with Supervisor Engine
2 and switch fabric
module 2 (SFM2)
●
Use WS-F6K-DFC3)
with Supervisor Engine
720
Use WS-F6700-DFC3)
with Supervisor Engine
720
Fabric Connections Connection to 32-Gbps
shared bus
(all supervisors)
Connections through
single 8-Gbps channel to
switch fabric (Supervisor
Engine 720 or Supervisor
Engine 2 with SFM) and
32-Gbps shared bus
Dual 20-Gbps (40 Gbps
total) channel connection
to switch fabric on
Supervisor Engine 720
Chassis or Slot Support
Requirements
Any slot in any chassis Any slot in any chassis Any slot in Cisco Catalyst
6506, Catalyst 6509,
Catalyst 6509-NEB-A,
and slots 9 through 13
on Cisco Catalyst 6513;
Cisco Catalyst 6503 not
supported at current time
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.
(14 Seiten)
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