Cisco 4500 e series tech talk

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Catalyst 4500 E-Series with CenterFlex Technology-Technical Deep Dive

Agenda1. Catalyst 4500 Centralized Architecture2. Catalyst 4500 E-Series Overview3. Technical Deep Dive–TCAMS–QoS–HA/Management–Multicast

Cisco Catalyst 4500 ArchitectureCisco Catalyst 4500 Utilizes a Centralized Architecture Cisco Catalyst 4500 is a shared memory switch All forwarding, queuing, security is implemented on the Supervisor The individual line cards are considered to be ‘transparent’

-Contain simple “stub” ASICs and the PHY‘s-No local switching

Each classic line card has 6 Gbps (full duplex) connections to the central forwarding engine

E-Series line cards have a 24 Gbps (full duplex) connection to the central forwarding engine

Benefits of a Centralized Architecture

Evolution of Centralized Switching Technology

Introducing Cisco Catalyst 4500 E-SeriesCisco Catalyst 4500 Series High Performance Extension

What Is CenterFlex Technology?Innovations Enabled by Supervisor 6-E Centralized ASICs

Supervisor 6-E Feature Details

Cisco Catalyst 4500 Supervisors

Investment Protection & Enhancement

Cisco Catalyst 4500 High Performance E-Series Line Cards

Cisco Catalyst 4500 Ethernet Line Cards

Cisco Catalyst 4500 E-Series Chassis

Cisco Catalyst 4500 E Chassis

Catalyst 4500 Compatibility and Flexibility Maximizing Investment

Cisco Catalyst 4500 Classic ArchitectureCentralized Forwarding: 6 Gbps per Slot

Cisco Catalyst 4500 E-Series ArchitectureCentralized Forwarding: 24 Gbps per Slot

Switching Module ArchitectureIEEE 802.3 Flow Control (Blocking GE Ports)1.802.3x is an IEEE standards-based mechanism used to control data flow2.802.3x utilizes pause frames (DA MAC 01-80-C2-00-00-00-0F) to signal flow control between end station and switch 3. Flow control operation steps Data flows to switch Switch congested so “pause” frame sent End station waits required time before sending

Cisco Catalyst 4500 supervisors support both Tx and Rx pause frames

Cisco Catalyst 4500 E-Series: CenterFlexCatalyst 4500 Sup 6-E Technical Deep Dive

Catalyst 4500 Offers Higher Feature Capacity

Dedicated hardware capacity for forwarding Dedicated hardware capacity for features Ample headroom for future requirements Line rate performance for security and QoS

Scalable and Flexible Services Capacity

CenterFlex Enabled TCAM 4 Flexibility

CenterFlex Enabled TCAM 4 Flexibility

CenterFlex Enabled TCAM 4 Flexibility

Cisco Catalyst 4500 E-Series-IPv4 and IPv6 Support

Centralized architecture allows for easier upgrades Example: TCAM 4-based hardware lookups provide dynamic table sizing for IPv4

to IPv6 migration Upgrade the supervisor in a classic 4500 chassis to get IPv6 in HW and other

capabilities

CenterFlex Enabled Dynamic Configuration

Optimized Space Allocation for IPv4 and IPv6 Configurations! Hardware Support for IPv6

…More info related to Catalyst 4500 E-Series with CenterFlex Technology you can

visit: file:///D:/Cisco%20Files%20and%20Others%20Related/Docx%20Submit%20Models%20of%20Cisco%20Gear/Files%20Need%20Editing/Cisco%204500E-Series-Techtalk.pdf

More Cisco 4500 Tech Tips:How to Configure a DHCP Relay on Catalyst 4500 Switch?Cisco Catalyst 6500 Switches Vs. Catalyst 4500 Series

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