Used Cisco Distributed Forwarding Card
Part # WS-X6716-10G-3CXL
 Product
Description: Cisco 6700 Series - Cisco Distributed
Forwarding Card for 6700 Series Switching Module - The WS-X6716-10G-3CXL module comes with 1 GB
DRAM by default. This module contains 16 ports of 10 Gigabit
Ethernet and comes with the distributed forwarding card 3CXL.
(Part # WS-F6700-DFC3CXL). The DFC3CXL offers
more scalability (when compared to the DFC3C), because it offers
more scalability in terms of routes and NetFlow entries.
|
Feature |
DFC3C |
DFC3XL |
|
IPv4 Routes |
256,000 |
1,000,000 |
|
IPv6 |
128,000 |
500,000 |
|
NetFlow Entries |
128,000 |
256,000 |
|
Reflexive Access
Control Lists (ACLs) |
128,000 |
256,000 |
Best Features:
For the WS-X6716-10G-3C and WS-X6716-10G-3CXL modules, use the
X2 Optics. The switch fabric connection is 40 Gbps (80 Gbps full
duplex). The oversubscription is a 4:1 ratio. When in
performance mode, up to four 10 Gigabit Ethernet ports can be
used to create a virtual switch link in a VSS.1
The WS-X6716-10G-3C is
equipped with DFC3C for distributed forwarding and supports 256K
routes. The WS-X6716-10g-3CXL is equipped with DFC3CXL for
distributed forwarding and supports 1M routes. The
oversubscription modes for the RX are: 1p7q2t per port and the
TX is 1p7q4t per port group. The performance mode for the RX is
8q4t per port and the TX is 1p7q4t per port. The queuing
mechanisms are: CoS-based queue mapping and DSCP-based queue
mapping.
In addition, the 16-port 10 Gigabit Ethernet
module has reduced power consumption. It uses half the power per
port compared to the 8-port 10 Gigabit Ethernet module,
providing substantial power savings to the customer.
The Cisco Catalyst 6500 Series Distributed
Forwarding Card 3 (DFC3) is an optional daughter card for
CEF720-based line cards. The DFC3 provides localized forwarding
decisions for each line card and scales the aggregate system
performance to reach up to 400 mpps. The DFC3BXL offers
enhancements to support Multiprotocol Label Switching (MPLS) and
Access Control Entries (ACE) counters on the Cisco 6700 Series
line cards. The DFC3BXL also has improved
scalability to support one million IPv4 routes and 256-KB
NetFlow entries.
Cisco Distributed Forwarding Card for 6700 Series Switching Modules
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Cisco Switches - Part Numbers Listed Alphabetically
Cisco Catalyst 6500 and 6500-E Series Switch
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