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Optimized Application Visibility with Flexible NetFlow
Cisco IOS Flexible NetFlow is the next generation in flow technology, allowing optimization of the network
infrastructure, reducing operation costs, and improving capacity planning and security incident detection with
increased flexibility and scalability. The Cisco Catalyst 4500E Supervisor Engine 7-E is the first Cisco Catalyst
supervisor engine to provide optimized application visibility with FNF with a capability of 128,000 FNF entries. The
Supervisor Engine 7-E, with a custom-built ASIC, delivers next-generation flow technology with unprecedented
flexibility and comprehensive visibility extending from Layer 2 (MAC and VLAN) to Layer 4 (TCP, User Datagram
Protocol [UDP] flags, and so on).
The flow data collected by FNF can be exported to an external collector for analysis and reporting, or tracked by
the EEM. The Cisco Catalyst 4500E Supervisor Engine 7-E enables powerful, on-box, and customizable event
correlation and policy actions with EEM, allowing the switches to trigger customized event alarms or policy actions
when the predefined condition is met. With no external appliance required, customers are able to use existing
infrastructure to perform traffic monitoring, making traffic analysis economical even on a large IP network.
Details about Cisco Flexible NetFlow are available at
http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6555/ps6601/ps6965/product_data_sheet0900aecd
804b590b.html.
Investment Protection with Chassis and Line-Card Support
Already-installed Cisco Catalyst 4500E chassis with classic and E-Series line cards can take advantage of the
new features and functions of the Supervisor Engine 7-E on all ports with a simple supervisor-engine upgrade.
However, to take advantage of the increased switching capacity of 48 Gbps per slot, the Cisco Catalyst 4500E
Series chassis (including R+E chassis) and the select new E-Series line cards are required. You can mix and
match Cisco Catalyst 4500E Series line cards and classic line cards in an E-Series chassis with no performance
degradation to either line-card type. Table 2 shows the supervisor-engine and line-card slot-assignment options in
the Cisco Catalyst 4500E Series chassis.
Table 2. Cisco Catalyst 4500E Chassis Slot-Assignment Options
Chassis Single Supervisor Engine
7-E Slot Assignments
Redundant Supervisor
Engine 7-E Slot
Assignments
E-Series Line-Card Slot
Options
Classic Line-Card Slot
Options
Cisco Catalyst 4503-E Slot 1 - Slots 2 and 3 Slots 2 and 3
Cisco Catalyst 4506-E Slot 1 - Slots 2 through 6 Slots 2 through 6
Cisco Catalyst 4507R+E Slot 3 or 4 Slots 3 or 4 Slots 1, 2, and 5 to 7 Slots 1, 2, and 5 to 7
Cisco Catalyst 4510R+E Slots 5 or 6 Slots 5 or 6 Slots 1 to 4, and 7 to 10 Slots 1 to 4, and 7 to 10
Cisco Catalyst 4507R-E Slot 3 or 4 Slots 3 or 4 Slots 1, 2, and 5 to 7 Slots 1, 2, and 5 to 7
Cisco Catalyst 4510R-E Slots 5 or 6 Slots 5 or 6 Slots 1 to 4, and 7 to 10 Slots 1 to 4, and 7 to 10
Table 3 summarizes the performance capacities of the Supervisor Engine 7-E on a per-chassis basis.
Table 3. Cisco Catalyst 4500 Supervisor Engine 7-E Bandwidth per Slot for Different Chassis
Cisco Catalyst
4503-E Chassis
Cisco Catalyst
4506-E Chassis
Cisco Catalyst
4507R+E Chassis
Cisco Catalyst
4510R+E Chassis
Cisco Catalyst
4507R-E Chassis
Cisco Catalyst
4510R-E Chassis
Supervisor
Engine 7-E (WS-
X45-Sup 7-E)
48 Gbps/Slot 48 Gbps/slot 48 Gbps/slot 48 Gbps/slot 24 Gbps/slot 24 Gbps/slot
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