Cisco Distributed Forwarding Card for 65xx, 6816 Modules used with SUP2 WS-F6K-DFC= データシート
製品コード
WS-F6K-DFC=
Data Sheet
All contents are Copyright © 1992–2007 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Page 4 of 13
Feature
WS-X6416-GBIC,
WS-X6408A-GBIC
WS-X6408A-GBIC
WS-X6516A-GBIC, WS-
X6516-GBIC
X6516-GBIC
WS-X6816-GBIC
WS-X6748-SFP,
WS-X6724-SFP
WS-X6724-SFP
Performance/
Forwarding
Rate (Mpps)
Forwarding
Rate (Mpps)
●
32 Gbps
●
15 Mpps per system
●
256 Gbps using CEF:
Up to 30 Mpps per
system
system
●
Using dCEF upgrade:
15 Mpps per slot for
slots equipped with
DFC or DFC3 to
support distributed
forwarding)
slots equipped with
DFC or DFC3 to
support distributed
forwarding)
256 Gbps using dCEF: 24
Mpps per slot for slots
equipped with DFC or
DFC3 to support distributed
forwarding)
Mpps per slot for slots
equipped with DFC or
DFC3 to support distributed
forwarding)
●
720 Gbps using CEF;
Up to 30 Mpps per
system
system
●
Using dCEF upgrade:
up to 48 Mpps
sustained per slot for
modules equipped with
DFC3 to support
distributed forwarding*
sustained per slot for
modules equipped with
DFC3 to support
distributed forwarding*
Forwarding
Engine
Architecture
Engine
Architecture
Supervisor engine CPU
makes forwarding decision
makes forwarding decision
●
Centralized CEF
engine located on
supervisor’s PFCx
makes forwarding
decision
supervisor’s PFCx
makes forwarding
decision
●
Upgradeable to dCEF
switching with optional
WS-F6K-DFC or WS-
F6K-DFC3
WS-F6K-DFC or WS-
F6K-DFC3
Installed dCEF using
WS-F6K-DFC or WS-F6K-
DFC3
WS-F6K-DFC or WS-F6K-
DFC3
●
Centralized CEF
engine located on
supervisor’s PFCx
makes forwarding
decision
supervisor’s PFCx
makes forwarding
decision
●
Upgradeable to dCEF
switching with optional
WS-F6700-DFC3
WS-F6700-DFC3
Optional DFC
Upgrade
Support
Upgrade
Support
Not supported
●
Use WS-F6K-DFC with
Supervisor Engine 2
and SFM(2);
and SFM(2);
●
Use WS-F6K-DFC3
with Supervisor Engine
720
720
Selection of:
●
WS-F6K-DFC with
Supervisor Engine 2
and SFM(2);
and SFM(2);
●
Use WS-F6K-DFC3
with Supervisor Engine
720
720
Use WS-F6700-DFC3 with
Supervisor Engine 720
Supervisor Engine 720
Backplane/
Switch Fabric
Connections
Switch Fabric
Connections
32 Gbps shared bus
connection (on Supervisor
Engine1A, Supervisor
Engine 2, and Supervisor
Engine 720)
connection (on Supervisor
Engine1A, Supervisor
Engine 2, and Supervisor
Engine 720)
Single 8 Gbps channel
connection to switch fabric
(on Supervisor Engine 720
or Supervisor Engine 2-
MSFC2 with Switch Fabric
Module {SFM]) and 32
Gbps shared bus
connection
connection to switch fabric
(on Supervisor Engine 720
or Supervisor Engine 2-
MSFC2 with Switch Fabric
Module {SFM]) and 32
Gbps shared bus
connection
Dual 8 Gbps channel
connection to switch fabric
[on Supervisor Engine 720
or Supervisor Engine 2-
MSFC2 with Switch Fabric
Module (SFM)]
connection to switch fabric
[on Supervisor Engine 720
or Supervisor Engine 2-
MSFC2 with Switch Fabric
Module (SFM)]
Dual 20 Gbps (40 Gbps
total) channel connection
to switch fabric on
Supervisor Engine 720**
total) channel connection
to switch fabric on
Supervisor Engine 720**
Chassis/Slot
Support
Requirements
Support
Requirements
Any slot in any chassis
Any slot in any chassis
●
Any slot in any Catalyst
6500 chassis except
6513.
6513.
●
Slots 9 through 13 on
6513
6503 not supported at
current time
current time
Forwarding
Engine
Architecture
Engine
Architecture
Supervisor engine CPU
makes forwarding decision
makes forwarding decision
●
Centralized CEF
engine located on
supervisor’s PFCx
makes forwarding
decision
supervisor’s PFCx
makes forwarding
decision
●
Upgradeable to dCEF
switching with optional
WS-F6K-DFC or WS-
F6K-DFC3
WS-F6K-DFC or WS-
F6K-DFC3
Installed dCEF using WS-
F6K-DFC or WS-F6K-
DFC3
F6K-DFC or WS-F6K-
DFC3
●
Centralized CEF
engine located on
supervisor’s PFCx
makes forwarding
decision.
supervisor’s PFCx
makes forwarding
decision.
●
Upgradeable to dCEF
switching with optional
WS-F6700-DFC3.
WS-F6700-DFC3.
* WS-X6724-SFP achieves 26Mpps sustained per slot for modules equipped with DFC3 to support distributed
forwarding)
** WS-X6724-SFP supports a single 20-Gbps channel connection to switch fabric on Supervisor Engine 720;
all other 67xx interface modules feature dual 20-Gbps channel connections (40Gbps total) to the switch fabric
Legend: 1p2q2t = one strict priority queue, two round-robin queues, and two different thresholds
Figure 2. Cisco Catalyst 6500 Series Gigabit Ethernet Interface Module WS-X6748-SFP