Ethernet Switching Portfolio (Level 3 / Technical Decision Influencer-level Presentation)

©2010 Avaya Inc. All rights reserved.2 Agenda 2 Avaya Virtual Enterprise Network Architecture 1 Data Solutions Vision 3 Delivering Valuable Differentiation 4 Ethernet Switching Product Line 4 Value Statements

©2010 Avaya Inc. All rights reserved.3 The Avaya Data Solutions Vision PLUG & PLAY COMMUNICATIONS The 3 Network Imperatives for Plug & Play Communications Efficient Scalable Always-On

©2010 Avaya Inc. All rights reserved.4 Avaya’s Unique Value Proposition  Up to 7X better resiliency  100% Call Completion even during failure scenarios  In-Service Maintenance Intelligent components & designs, powerful networking that can be fully trusted to deliver Improving the effectiveness of a business by creating a simpler & more effective network Leveraging optimization & organic versatility to meet Business-driven Data growth requirements  Up to 50% better TCO  Up to 40% more energy-efficient  Pioneered best-practice design, saving 1/3 equipment  Up to 20X better performance  Satisfying Business growth – scaling from 1G to 100G  Virtualized & integrated Efficient Scalable Always-On

©2010 Avaya Inc. All rights reserved.5 The Markets We Serve Ethernet Switching Wireless Networking Unified Branch Access Control Unified Management Branch & Remote Enterprise Campus Data Center Continuing aggressive investment in the Portfolio

©2010 Avaya Inc. All rights reserved.6 Avaya Virtual Enterprise Network Architecture Revolutionary in service delivery, yet uniquely evolutionary in implementation

©2010 Avaya Inc. All rights reserved.7 Wouldn’t it be nice… Wouldn’t it be nice to seamlessly deploy applications across multiple Data Centers in an instant..? Have you ever been frustrated by delays in activating new applications and services..? Wouldn’t it be nice to never again having to configure the Core of the network..? Have you ever experienced an outage due to human-error fault during change..? Wouldn’t it be nice to remove entire layers of complexity and deliver real business-centric agility..? Have you ever wondered why, with all of this complexity, that IT still struggles to respond to the increased rate of change..?

©2010 Avaya Inc. All rights reserved.8 CIO Challenges Empowering IT to make the Business more efficient Effectively supporting business initiatives Application team & network team coordination Future-proof infrastructure Eliminating network re-designs IT as the enabler and not the inhibitor Bigger Data Centers demand improved operational efficiency More application and added complexity drives cost up There is an obvious need to simplify without compromising Reduce Cost & Improve Time-to-Service Allow IT the ability to simply say “yes” Consolidation & explosion of content brings heightened visibility & risk

©2010 Avaya Inc. All rights reserved.9 Business Needs It’s more than just the Data Center Accommodating disruptive technologies Reliable access to content enables business advantage Reliably Connecting Users to Content Fit-for-Purpose Today – Future-ready for Tomorrow Delivering the need for increased speed and density within the network today Scalability for the future without over-capitalization IT Agility & Optimization Faster time to service for business collaboration – meeting the adaptive needs of the Enterprise Agile business requirements, mergers & acquisitions

©2010 Avaya Inc. All rights reserved. Avaya’s Virtual Enterprise Network Architecture  Built on a Virtual Services Fabric that is extensible, Enterprise-wide  Initial deployment in & between Data Centers to realize the full potential of compute virtualization  Increasing the flexibility & scalability of the network  Delivering an infrastructure for the Private Cloud  Principle characteristics: – Unmatched simplification – Operational orchestration – Improved time-to-service – Maximized reliability & performance 10 VENA delivers Open & Transparent Interconnectivity

©2010 Avaya Inc. All rights reserved. VENA Components 11 Mapping of Services to unique virtual networks Supports L2 VLANs, plus L3 Routing & VRFs Simplifies provisioning & incorporates policy Mapping of Services to unique virtual networks Supports L2 VLANs, plus L3 Routing & VRFs Simplifies provisioning & incorporates policy Virtual Service Networks Built on enhanced IEEE Shortest Path Bridging Resiliency, simplicity & consistent interconnect Transparently co-existing Services Built on enhanced IEEE Shortest Path Bridging Resiliency, simplicity & consistent interconnect Transparently co-existing Services Virtual Services Fabric New Data Center Modular & Fixed platforms – i.e. VSP 9000 Also integrates existing platforms Enhanced tools for virtualization management New Data Center Modular & Fixed platforms – i.e. VSP 9000 Also integrates existing platforms Enhanced tools for virtualization management Products &Tools

©2010 Avaya Inc. All rights reserved. VENA Functional Model 12

©2010 Avaya Inc. All rights reserved.13 Delivering Valuable Differentiation Progressive evolution of our existing differentiating Ethernet Switching technology

©2010 Avaya Inc. All rights reserved.14 Virtualizing the Campus Core  Delivers end-to-end application availability – Extends to Servers, etc  Solutions that scale Enterprise-wide – Cost-effective every network size  Greatly simplified hardware, software, configuration, & maintenance solution – Simple to deploy, less complexity & expense  Industry-leading sub-second failover & recovery – Delivers availability & in-service maintenance Open & interoperable All Links & Resources are fully active Switch Clustering Applications & Services User Access Fault tolerance & instant recovery Optimises end-to-end availability Leverages simple & ubiquitous functionality Split Multi-Link Trunking

©2010 Avaya Inc. All rights reserved.15 Future-proofing Performance  Standards & feature-requirements are constantly evolving  Avaya’s unique NPU-based Route Switch Processor supports in-life microcode upgrades – Empowers continual evolution – Maintains full-life optimization  Traditional ASIC-based designs cannot flexibly adapt – Capabilities are locked-in during the product design phase  Newer applications will need to be diverted to the CPU for processing – Reducing performance & increasing latency User Access Enterprise Applications All traffic supported by the fast-path RSP Re-Programmable Packet Processor RSP CPU Traditional ASIC Complex traffic routed from the ASIC to the CPU ASIC CPU

©2010 Avaya Inc. All rights reserved.16 No-compromise Edge Networking  FAST delivers a virtual hot-swap capability – Enables in-service maintenance & restoration  No single point-of-failure – Distributed power and forwarding  High-capacity virtual backplane – Industry-leading, pay-as-you- grow scalable capacity  Simplified implementation & management – Centralised Management, and automatic software & configuration control Bi-directional multi-path forwarding User Access Standards-based Access features Proportional scalability Automatic Unit Replacement Distributed architecture Virtualized Core Stackable Chassis Flexible Advanced Stacking Technology

©2010 Avaya Inc. All rights reserved.17 A Case for Positive Discrimination  Performance is placed at risk by the chaos of self-regulation – Business-critical applications are forced to contend with everything else  Automatic QoS optimizes application performance, end-to- end  Configuration is simplified – 3rd Party applications are handled as default  Gives tangible benefits to Avaya Customers – Applications & Networks are synchronized Automatic QoS AQoS-enabled Switch Private QoS Generic QoS User Access Application Access QoS honoured end-to-end Configuration simplified & automated Private Application Generic Application Optimises Avaya Data for Avaya Voice AQoS-enabled Core Zero-touch Configuration

©2010 Avaya Inc. All rights reserved.18 Comprehensive, not Complex, Security  Improve security with fully granular control – Role-based control & network compartmentalization  Enhanced Regulatory compliance – Partitioning of access & comprehensive reporting  Simplicity – Centralized policy decision, defined in plain language  Reduced costs – Supporting existing infrastructure & identity stores, virtual appliance option Integrated NAC Simplifies multiple Directories & Databases User Access Wired / Wireless / VPN Consistent & granular control Consolidates administration Enhances security & compliance Centralised & integrated NAC Corporate or Guest

©2010 Avaya Inc. All rights reserved.19 Energy-Efficient Networking  Efficient by Design – Reducing Campus layers & devices; less equipment translates into reduced consumption  Optimised power consumption – Drives immediate operational savings – up to 40% more efficient than rivals  Service integration & device consolidation – Reduces equipment levels, optimizes performance, & also streamlines management Energy Saver ES-enabled Switch PC connections set to power-save mode High-priority Phones remain available Low-priority Phones set to power-off mode Enterprise Policy Manager Network-wide energy policies & reporting Detailed views of consumption & savings Fully granular or ‘one-click’ configuration Network stays available, simply in ‘eco-mode’ Enterprise LAN

©2010 Avaya Inc. All rights reserved.20 Building the better Data Centre  High bandwidth & low latency – Optimises Server-to-Server communication  Reduces the number of ports required on the Core – Reduces costs & complexity  Simplifies cabling between Server & Switch – Reduces complexity & maintains rack cooling integrity  Easily scale capacity (Switches & Uplinks) – Zero network downtime for maintenance or failure Fault-tolerant connectivity Racked Servers Horizontal Stacking High-capacity Stacking & Uplinks Flexible designs Space efficient Virtualized Core

©2010 Avaya Inc. All rights reserved.21 Simple, Innovative, & Economical VPNs  Operates over any IP network – Quickly deployable & easily supportable  Simplified management, administration & maintenance – Stark contrast with complex, multi-layered MPLS  Provides ultimate resiliency, simplicity, & performance – Leverages Avaya’s proven resiliency technology  Co-exists & interoperates with Service Providers (MPLS) – Standardized extensions for maximum flexibility & scalability Metro Network (Native IP) IP VPN-Lite Wide Area Network (MPLS) *Deployment Options: - IP VPN-Lite only - IP VPN-Lite & MPLS - MPLS only IP VPN-Lite IP VPN-Lite / MPLS Router MPLS Routers Service Provider-class complexity Enterprise-class simplicity Complete flexibility End-to-end connectivity

©2010 Avaya Inc. All rights reserved.22 Virtualizing the Infrastructure  New Standards enable the network infrastructure to be virtualized – Enables any service to be provisioned in any location  Returns control in a Virtual Server environment – Simplifies mapping services to user communities  Enhanced end-to-end reliability & performance – Leverages simplified, optimised core routing & loop protection – Any-to-any connectivity Metro Network Simplified Core network Campus Network Virtualization Complete flexibility in service provisioning De-mystifies Virtual Server operations Optimised reliability & performance End-to-end connectivity

©2010 Avaya Inc. All rights reserved.23 Scaling for tomorrow’s Data Centre  Delivers the ‘Application VPN’ infrastructure  Optimises network failure recovery – Instantaneous re-route  Future-proofed scalability – 10G today & path to 40/100G  Continuity-of-Operations features – Flight recorder, process separation, memory protection – System-level health check & self healing to ensure system stability – In-service control plane integrity checking, live patching Switching capacity beyond 100Tbps Connections transitioning From 1G to 10G User Access Uplinks transitioning From 1G to 10G Server Access Intraconnects to transition from 10G to 40/100G Virtual Services Platform Enterprise Core

©2010 Avaya Inc. All rights reserved.24 Spanning Voice, Data & Applications  Offers a common look & feel across applications  Enables navigation to all management applications with single sign-on & centralized authentication  Provides integrated workflows for managing unified communications networks  Decreases the learning curve for IT personnel  Delivers simplified deployment and system administration configuration  Offers deployment flexibility Unified Communications Management LAN + Wireless LAN + WAN + Security + IP Telephony

©2010 Avaya Inc. All rights reserved.25 Ethernet Switching Portfolio Benefits, features & characteristics, and positioning

©2010 Avaya Inc. All rights reserved. Ethernet Switching Highlights  High-performance resiliency  Pioneering Switch Cluster high- availability solution  Large Core installed-based  1st & only to break through the Terabit Stackable boundary  True end-to-end high-availability solution  Refreshed portfolio Core Stackable Chassis Access Modular Chassis 26

©2010 Avaya Inc. All rights reserved.27 Investment Strategy for Ethernet Switching PoE+ at the Edge Virtual Service Networks & Wireless Services support on the VSP 9000 Introduction 40G & 100G Interface with Security, CCTV, & Environmental systems Introduction of PoE+ Standard Continued shift of R&D to Stackable Chassis at the Edge Introduction of next generation core platform: VSP 9000 Introduction of Avaya’s Virtual Enterprise Network Architecture PoE for IP Phones & WLAN Access Points ‘Stackable Chassis’ model for Edge

©2010 Avaya Inc. All rights reserved.28 What’s New  VSP 9000 v3.0 released in November 2010 – New, Carrier-grade platform for the Data Center & Campus Core  ERS 8800 v7.0 released in April 2010 – New 8800 hardware, and Multicast & IPv6 enhancements  ERS 8300 v4.3 releases in 2011 – IPv6 Routing, eBGP-Lite Routing, & high-capacity PoE PSU  ERS 5000 v6.2 released in July 2010 – Energy Saver, Static IPv6 Routing, & Multicast enhancements  ERS 4500 v5.4 released in May 2010 – Dynamic Layer 3 Routing and Energy Saver  ERS 2500 v4.3 released in March 2010 – Advanced QoS and Automatic QoS

©2010 Avaya Inc. All rights reserved. What’s Coming 1H112H v v v v6.2 Launch of VSP Q103Q102Q101Q10 Note: Calendar Year timeline v v v v v6.3 VSP 9000 v3.1

©2010 Avaya Inc. All rights reserved.30 Modular Product Positioning Ideal as:  Core Switch for large/very large Enterprise campus and Data Center  High performance & high 10GbE port density  Ultra-resiliency, scalability & 40/100GbE future-ready  Where there is a need for sophisticated IP Routing & Network Virtualization Ideal as:  Core Switch for mid-large Enterprise Campus & Data Center  Environments that value high-availability & high-performance  Where there is a need for sophisticated IP Routing & Network Virtualization Ideal as:  Core Switching solution for mid-sized network & Access Switch for large Enterprises: high-performance Gigabit-to-the-Desktop  Aggregation (Distribution) Switch in multi-tier networks  Where there is a need for straightforward IP Routing & Device Virtualization ERS 8300 ERS 8800 VSP 9000

©2010 Avaya Inc. All rights reserved. Virtual Services Platform 9000  Core networking for transparent Cloud Computing – high-density 10G & 1G – high availability L2 & L3 – full device Virtualisation  Switch Clustering – creates a virtual core – simplifies configuration & deployment – extends availability end-to-end – reduces equipment costs  Enables % reliability – Deterministic millisecond failover  High-performance resiliency  Simpler design options  Integrated QoS & security  Interoperable for end-to-end service delivery 31

©2010 Avaya Inc. All rights reserved. Features of the VSP 9000  Flexibility for investment protection – Programmable Data Path – Flexible 10Gbps architecture for ingress & egress packet manipulation – Packet filtering for ingress & egress traffic  Scalability for high-performance Campus Core & Data Center – 240 x 10 Gigabit Ethernet or 480 x Gigabit ports – Thousands of ACLs – Scalable Multicast  Security – IEEE 802.1X, Radius-based Authentication – SNMPv3, SSH Management – IP Spoofing prevention  Performance for demanding applications – Flexible, multi Terabit-scale Switch Cluster configurations – Hardware-based Multicast replication, designed for video surveillance & TV distribution applications – Lossless architecture with minimum jitter 32

©2010 Avaya Inc. All rights reserved. Hardware Overview - Chassis  Mid-Plane design  Separates Control & Switching, allows for optimized performance  Redundant Control Processors  10 Interface Module slots  Maximizing Ports/RU density  Redundant Cooling  Provides side-to-side cooling  14 RU-high Chassis  Allowing up to 3 Chassis per Rack N+1 CP Modules Side-to-Side Cooling Up to 10 I/O Modules 33

©2010 Avaya Inc. All rights reserved. Hardware Overview – Chassis Rear  Mid-Plane design  Separates Control & Switching, allows for optimized performance  Redundant Switching Fabrics  Up to 6 for N+1 capacity  Redundant Power  Up to 6 hot-swappable PSUs  Redundant Cooling  Provides front-to-back cooling  Auxiliary Modules  Reserved for future use Up to 6 Power Supplies Up to 6 Switch Fabrics Front-to-Back Cooling Auxiliary Modules* * Reserved for future use. 34

©2010 Avaya Inc. All rights reserved.  Active-Active independent Control Processor & Switch Fabric design – Maximises switching capacity – CPs operate in high-availability Online / Standby mode  Stateful millisecond fail-over – Layer 2 MAC Tables, VLANs, SMLT, 802.1x, L2 Multicast – Layer 3 RSMLT, RIP, OSPF, VRRP, IP Filters  Hitless downtime during Software upgrades Resilient Architecture Hot-swappable components for simplified maintenance Interface Module connections load-shared across Switch Fabric Modules All resources are actively utilised, maximising return on investment Hardened Carrier-class Operating System 35

©2010 Avaya Inc. All rights reserved. Business-centric Value Proposition  Deterministic sub-second network resiliency ensuring always-on networking  Traffic monitoring, filtering and security capabilities to protect against malicious attacks for maximum application uptime  Sophisticated QoS capabilities for the converged network that ensures high user experience and productivity  Simple, resilient and cost-effective virtual infrastructure with logical separation to support M&A and network consolidation  Cost-effective IP VPN services across Campus  High 10 Gigabit Ethernet port density & diversity in future-ready architecture  Clustering of Switches enables effective scaling: supporting business, network and application growth Sources: Gartner Group and Yankee Group research. Uninterrupted Business Operation Simple Network Virtualization Services Highly-Scalable Platform 36

©2010 Avaya Inc. All rights reserved.37 Ethernet Routing Switch 8800  Core networking for successful Convergence – high-density 10G & 1G – high availability L2 & L3 – full device & network Virtualisation  Switch Clustering – creates a virtual core – simplifies configuration & deployment – extends availability end-to-end – reduces equipment costs  Enables % reliability – Deterministic sub-second failover for any IPv4 & IPv6 failure  High-performance resiliency  Simpler design options  Integrated QoS & security  Interoperable for end-to-end service delivery

©2010 Avaya Inc. All rights reserved.38 What is the ERS ?  A new solution that consolidates the field-proven reliability of the ERS 8600 with the enhanced virtualized functionality and improved scalability that a new generation of software delivers  Has been developed to match the transition occurring in Customer networks: the progressive move to emerging, highly-virtualized networking infrastructures from what was largely a single dimension environment  Is simply the latest evolution of the venerable ERS 8000 Series: which has already delivered the ERS 8100 Edge Switch, ERS 8300 Edge/Core Switch, and of course the ERS 8600 Core/Edge Switch on which the ERS 8800 is based  Is the go-forward solution for new Customers seeking the most reliable and versatile Campus LAN Core Switch, additionally new software ensures high levels of investment protection and continuity of service for returning ERS 8600 Customers

©2010 Avaya Inc. All rights reserved.39 ERS 8800 Market Positioning  ERS 8800 is the default solution for the Enterprise Campus Core New Avaya Customers Recent ERS 8600 Customers Recent Returning Returning  Investment protection for 8692SF, via upgrade with SuperMezz  Investment protection for R/RS Modules  Support for v7.x Software  Always a progressive & seamless evolution from 8600 profile to 8800  Partial investment protection (Chassis, PSUs)

©2010 Avaya Inc. All rights reserved.40 Features of the ERS 8800  Flexibility for investment protection – Programmable Data Path – Flexible 10 Gbps architecture for ingress & egress packet manipulation – Packet filtering for ingress & egress traffic – 10-, 6- & 3-Slot Chassis options  Scalability for high-performance Campus Core & Data Center – Up to 96 10G Ethernet or 384 Gigabit ports – Thousands of ACLs – Scalable Multicast  Security – IEEE 802.1X, Radius-based Authentication – SNMPv3, SSH Management – IP Spoofing prevention  Performance for demanding applications – Flexible Terabit-scale Switch Cluster configurations – Hardware-based Multicast replication, designed for video surveillance & TV distribution applications – Minimum jitter

©2010 Avaya Inc. All rights reserved.41  Network services virtualization to simplify networks and reduce cost – IP VPN-Lite*, VRF-Lite (Unicast & Multicast), MPLS  Traffic Management, Congestion Management – WRED, dual leaky bucket for traffic re-coloring, granular policing/shaping – 640 queues per 10G lane/ 15,000 independent hardware queues per system – Bandwidth reservation capabilities – Remarking of TOS, DSCP, IEEE 802.1p – Independent IP Unicast & IP Multicast hardware queues  Detailed Statistics, Packet Capturing – Per flow, queue, filter statistics – Online packet capturing (each port) – Ingress/egress mirroring  Reliability for highest network availability – Resilient sub-second Switch Cluster – NEBS compliant Central Office Chassis – Hot-swap capability for all active hardware components – Fully redundant Switch Fabric and Control Plane with hitless failover support – Industry leading resiliency features DMLT, SMLT*, RSMLT*, VRRP, VRRP-Backup Master*, ECMP, VLACP* * Avaya Intellectual Property Features of the ERS 8800

©2010 Avaya Inc. All rights reserved.42 Hardware Overview 8895SF R co RS-Series Modules

©2010 Avaya Inc. All rights reserved.43 Ethernet Routing Switch 8300  Versatile & reliable Medium Core – sub-second failover – Core option for medium-size performance requirements – device Virtualisation  Convergence-quality Access – 10/100/1000 to the Desktop – Power-over-Ethernet, QoS, & integrated Access Control – Modular advantages  Delivers high-reliability to the Network Core and/or Access  Cost-effective performance for the Core and/or Access  High-density 10G & 10/100/100 with PoE  Efficiency of integrated Uplinks  Enhanced network admission control

©2010 Avaya Inc. All rights reserved.44 Features of the ERS 8300  10 & 6 slot Chassis options  High-density solution: – 68 x 10G XFP – 384 x 10/100/1000 Copper – 400 x 1000 SFP & 192 x 100 FX  Dual Switch Fabric option – Integrated I/O ports  464Gbps real-life throughput  RIP, OSPF, PIM-SM, & BGP-Lite  N+1 Power Supply option  Multi-Link Trunking – 31 Groups & 8 Trunks per Group  2,000 VLANs & 64 Spanning Tree Groups  High-available Core option – Switch Clustering & VRF-Lite  802.1AB Auto-Discovery & Auto- Topology  802.3af-compliant PoE – Auto-discovery of PoE devices – Dynamic power management  End-point access control – Comprehensive 802.1X – User-Based Policy – Avaya Secure Network Access  Traffic Policing & Shaping, Filtering, DiffServ & 802.1p Prioritisation

©2010 Avaya Inc. All rights reserved.45 Hardware Switch Fabric PoE I/O Modules I/O Modules

©2010 Avaya, Inc. All rights reserved.46 Stackable ERS Product Positioning Ideal as:  Access Switch for Large Enterprises: high-performance Gigabit-to- the-Desktop  Aggregation (Distribution) Switch  Core Switching solution for small Enterprises  Top-of-Rack/Horizontal Stacking for the Data Centre  Where 10GbE is required today Ideal as:  Access Switch for mid-to-large Enterprise  Environments with either FE or GbE connectivity at the Edge, or both  Where 10GbE Uplinks will become important Ideal as:  Access Switch for Branch Office or smaller Enterprise Campus: when Fast Ethernet-only is acceptable  Low intensity convergence deployments ERS 5000 ERS 4500 ERS 2500

©2010 Avaya, Inc. All rights reserved.47 Ethernet Routing Switch 5000 Series  Scalable solution to empower Convergence – zero-loss, fail-safe FAST 640 & 1152  10/100/1000, Advanced QoS, & Power-over-Ethernet – high-speed local switching  Integrated Access Control – 802.1X with extensions – Identity Engines for role-based network access  Delivers % reliability to the Network Edge  Enable the Converged Desktop  Comprehensive access control options  High-availability locally and to the Core, plus Switch Clustering  Scalable, pay-as-you-grow 5600 Switches5500 Switches

©2010 Avaya, Inc. All rights reserved.48 Features of the ERS 5000 Series  10 Switch options – T & T – T & T with PoE – TFD with 10G – 5632FD – 5650TD & 5650TD-PWR – 5698TFD & 5698TFD-PWR  High density solution: – /100/1000 Copper & PoE option – SFP & 10G options  Up to 384 Gbps of local switching & 144 Gbps Stacking per Switch  Switch Clustering – Stacked SMLT & SLT – 32 Groups & 8 Trunks per Group  802.3af-compliant PoE – Auto-sensing 10/100/1000 – Auto-discovery of PoE devices – Dynamic power management  End-point access control – 802.1X plus extensions (MHMA, Guest VLAN – Identity Engines solutions  Automatic Unit Replacement  Traffic Policing, DiffServ & 802.1p Prioritisation  IP Filtering  Field-replaceable PSUs or Redundant PSU option

©2010 Avaya Inc. All rights reserved.49 Hardware 5500 Switches  T & T  T-PWR & T-PWR  TFD 5600 Switches  5632FD  5650TD & 5650TD-PWR  5698TFD & 5698TFD-PWR

©2010 Avaya Inc. All rights reserved.50 Ethernet Routing Switch 4500 Series  Scalable solution to empower Convergence – Fast or Gigabit to the Desktop, 100FX, SFP, & XFP options – Power-over-Ethernet & QoS – zero-loss, fail-safe FAST 320 – high-speed local switching & Dynamic Layer 3 Routing – Energy Saver  Integrated Access Control – 802.1X with extensions  Delivers % reliability to the Network Edge  Enable the Converged Fast or Gigabit Desktop  Comprehensive Routing & Access Control options  Reduce costs with Energy Saver  Scalable, pay-as-you-grow 10/100/1000 & 10G Switches 10/100 Switches

©2010 Avaya Inc. All rights reserved.51 Features of the ERS 4500 Series  11 Switch options – 4526FX – 4526T & 4526T-PWR – 4550T & 4550T-PWR – 4524GT & 4524GT-PWR – 4526GTX & 4526GTX-PWR – 4548GT & 4548GT-PWR  High density solution: – 400/384 ports of 10/100 or 10/100/1000 Copper with PoE option – XFP, SFP, & FX options  184 Gbps of local switching & 40 Gbps Stacking throughput per Switch  Dynamic RIP & OSPF Routing plus Route Policies  802.3af-compliant PoE – Auto-sensing 10/100/1000 – Auto-discovery of PoE devices – Dynamic power management  End-point access control – 802.1X plus extensions (SHMA, MHMA, Guest VLAN, etc)  Automatic Unit Replacement  Traffic Policing, DiffServ & 802.1p Prioritisation  IP Filtering, Policies, & Offset  Redundant PSU option

©2010 Avaya Inc. All rights reserved.52 Hardware Gigabit Ethernet Switches  4524GT & 4524GT-PWR  4526GTX & 4526GTX-PWR  4548GT & 4548GT-PWR Fast Ethernet Switches  4526FX  4526T & 4526T-PWR  4550T & 4550T-PWR

©2010 Avaya Inc. All rights reserved.53 Ethernet Routing Switch 2500 Series  Workhorse solution to empower Convergence – 10/100 to the Desktop – Power-over-Ethernet & QoS – High-speed local switching & Static Layer 3 Routing – entry-level fail-safe FAST 32  Integrated Access Control – 802.1X with Extensions – 802.1AB auto discovery for network & devices  Delivers flexibility to the Network Edge  Enable the Converged Desktop  Highly-available local Stacking & connections to the Core  Scalable, pay-as-you-grow  Enterprise-class QoS & access control capabilities

©2010 Avaya Inc. All rights reserved.54 Features of the ERS 2500 Series  4 Switch options – 2526T & 2526T-PWR – 24 10/100 Desktop ports, plus 2 active Uplinks, PoE option – 2550T& 2550T-PWR – 48 10/100 Desktop ports, plus 2 active Uplinks, PoE option  Uplink options of SFP, 1000T, or 10/100/1000T  PoE available on 50% of Desktop ports – Green..!  32 Gbps Stacking architecture – Up to /100 ports  Wire-speed local switching & integrated Stacking  802.3af-compliant PoE – Auto-sensing 10/100 – Auto-discovery of PoE devices – Dynamic power management  End-point access control – 802.1X SHSA, Guest VLAN, RADIUS Authentication  DiffServ & 802.1p Prioritisation  Traffic Marking & Re-Marking  Port Mirroring & Rate Limiting  802.3ad Link Aggregation (6 Groups / 4 Links)

©2010 Avaya Inc. All rights reserved.55 Hardware 50-port Switches  2550T  2550T-PWR 26-port Switches  2526T  2526T-PWR

©2010 Avaya Inc. All rights reserved.56 Summary The simple fact: Avaya is the informed choice for Convergence-friendly networking solutions

©2010 Avaya Inc. All rights reserved.57 Tested & Verified  Commitment to Standards & Interoperability – Avaya Core & Access – Avaya Core & 3rd Party Access – Avaya Edge & 3rd Party Core  Independently testing Avaya’s claims & Competitors  Open and transparent, real testing & real performance numbers  Ongoing programme of validation

©2010 Avaya Inc. All rights reserved.58  Consistently winning business where Convergence is being leveraged for strategic advantage  The most challenging & demanding verticals: Healthcare, Media, Education, Banking & Finance, Retail, Utilities, & Public Sector Trusted & Valued ‘We chose Avaya because it could deliver a solution that was technologically superior, higher in performance and simply more cost- effective than anything offered by its competitors.’

©2010 Avaya Inc. All rights reserved. Driven to Succeed  Leveraging historical success for future growth  Focussed on being an innovation leader  Understanding the market & business needs  Compliments our leadership in Unified Communications  Partnering with Customers for the journey ahead 59

©2010. All rights reserved.60

©2010 Avaya Inc. All rights reserved.61 Modular Competitive Landscape  6500-E has limited compatibility between Chassis, Supervisors, Line Cards, & Software causing high TCO; ERS 8600 provides excellent investment protection  4500-E lacks the performance, 10G density & scalability compared to ERS 8300 that offers higher performance & 10G port density Cisco: Catalyst 6500-E claims to preserve investment for Core; Catalyst 4500-E offers advanced functions & performance for Aggregation  It is true that 8200zl & 5400zl are priced lower than ERS 8600 & ERS 8300 but Customers pay big penalties for getting less denser & resilient platforms as well as lower performance  The 3Com acquisition will add more advanced products but product rationalization in the progress HP ProCurve/3Com: 8200zl & 5400zl claims to provide the performance/density/scalability combined with low pricing to build their networks  EX 8200 is a year old platform that competes more with our VSP 9000 & will ship in 2H10. VSP 9000 will offer much higher switching architecture, 10G port density & ultra-resiliency. Juniper: EX 8200 claims to offer high performance, line rate 10G & common Juno OS

©2010 Avaya Inc. All rights reserved.62 Stackable Competitive Landscape  Stacking capacity is limited, only 32Gbps for the 3750 and marginally more for the 3750-E: compared to 1.152Tbps for the ERS 5600, and even 32Gbps for the entry-level 2500  Cisco places a lot of emphasis on Layer 3 at the Edge: this increases complexity, cost, & makes restoration more difficult Cisco: 3750 is the Stackable option; the 3750-E offers additional capacity; 2960 & 3560 are standalone-only  ProCurve doesn’t offer any genuine Stacking, just consolidated Management  3Com products are more advanced, with real Stacking  But the acquisition will ultimately force product rationalization HP ProCurve/3Com: Broad range offering typical but unspectacular functionality; 3Com is more advanced but the acquisition complicates things  Stacking capacity on the 4200 is good and Layer 3 is strong across the board, however Juniper do not have any unique high-availability solution  Emphasis on L3 increases costs, complexity, and makes restoration more difficult  Warranty is very uncompetitive Juniper: EX 4200 is high-end & Stackable; 2200 & 3200 are Standalone; 2500 is a Top-of- Rack option