1. Extreme Target Promotion For EMEA Customers July 1 st 2011

2. Extreme Target Promotion  Fixed discounts on popular stackable Avaya Ethernet Routing Switches (ERS) when replacing Extreme Networks edge switches installed in a customer network  Products and Eligibility: –All ERS 2500, 4500 and 5000 series platforms (except DC), plus COM –Must be competitive replacement of Extreme edge switches –Certificate of Intent to Destroy required  Offer: –Attractive discounts – contact your Avaya reseller for full details! –Runs July 1 st – Dec 31 st 2011

3. Why upgrade legacy equipment ?  Legacy equipment is either already outside of manufacturer Service Support or will become so in the next few years  New ERS stackable switches are fully supported by Avaya –Ready for new wave business apps, UC and Video –No need to keep spare parts –New features, software updates and bug fixes –High performance, scalability and stacking capacity –Low energy consumption, support for Avaya Energy Saver –Opportunities for Gigabit to the Desktop, Power over Ethernet –Simplified management  Competitive Lifetime Warranty –Lifetime RMA in Next Business Day –Advanced support for first 90 days, then lifetime basic support

4. Extreme-Avaya Product Map Extreme Networks PlatformSuggested Avaya Alternative(s) (for guidance only) Summit X150-24tERS 2526T Summit X150-48tERS 2550T Summit X150-24pERS 2526T-PWR, ERS 2550T-PWR Summit X250e-24tERS 2526T, ERS 4526T Summit X250e-48tERS 2550T, ERS 4550T Summit X250e-24pERS 2526T-PWR, ERS 2550T-PWR, ERS 4526T-PWR Summit X250e-48pERS 2550T-PWR, ERS 4550T-PWR Summit X350-24t, X450e-24t, X450a-24tERS 4524GT, ERS 4526GTX Summit X350-48t, X450e-48t, X450a-48tERS 4548GT Summit X450e-24pERS 4524GT-PWR, ERS 4526GTX-PWR Summit X450e-48pERS 4548GT-PWR Summit X460-24tERS 5510-24T, ERS 5650TD Summit X460-48tERS 5510-48T, ERS 5650TD Summit X460-24pERS 5520-24T-PWR, ERS 5650TD-PWR Summit X460-48pERS 5520-48T-PWR, ERS 5650TD-PWR Summit X460-48xERS 5632FD Summit X40-24xERS5530-TFD, ERS 5632FD Summit X480-48tERS 5650TD Summit X480-48xERS 5632FD RidgelineConfiguration and Orchestration Manager

5. The Markets We Serve Ethernet Switching Wireless Networking Unified Branch Access Control Unified Management Branch & Remote Enterprise Campus Data Center Fit For Purpose Networking

6. Customer Data Value Proposition  Active-Active resiliency  Sub-second fail-over with switch clustering and SMLT  In-Service Maintenance Intelligent components & designs delivering uncompromising end-to-end availability for real-time applications Improving the effectiveness of a business by creating a simpler & more effective network Flexible and versatile products offering seamless scalability as the business grows  Competitive Capex and Opex for competitive TCO  Pioneered best-practice design, saving 1/3 equipment, less footprint, simpler management  Virtualized & function integration  Satisfying Business growth – up to 1Tbps edge, 100Tbps core  Extended product lifecycles avoiding unnecessary and costly fork-lift upgrades  Multi-vendor interoperability Efficient Scalable Always-On

7. Ethernet Switching Highlights  Well established in Tier 1 Enterprise – over 74M installed ports  Pioneered the Switch Cluster active / active solution  1st vendor to break through the Terabit Stackable boundary  True end-to-end high-availability solution  Continued investment to ensure that portfolio remains competitive  Competitive Lifetime Warranty Core Stackable Access Modular ERS 5000 ERS 4500 ERS 2500 ERS 8300 ERS 8800/8600 VSP 9000

8. Lifetime Warranty on Stackable Switches  Lifetime Hardware Warranty –Next Business Day Replacement  Lifetime Technical Support –Technical support for life –Advanced Technical Support for 90 days  Optional Software Subscription –Nominal fee for software updates  See bulletin for full details Industry-leading Warranty that complements Avaya’s genuine TCO advantage http://www.avaya.com/usa/resource/assets/factsheet/DN5261.pdf

9. 9 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

10. 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 99.999% reliability to the Network Edge  Enable the Converged Desktop  Comprehensive access control options  High-availability locally and to the Core, plus SMLT in the Core  Scalable, pay-as-you-grow 5600 Switches5500 Switches Overview & Benefits Further Information: http://www.avaya.com/emea/product/ethernet-routing-switch-5000-series Highlights

11. Features of the ERS 5000 Series  10 Switch options –5510-24T & 5510-48T –5520-24T & 5520-48T with PoE –5530-24TFD with 10G –5632FD –5650TD & 5650TD-PWR –5698TFD & 5698TFD-PWR  High density solution: –400 10/100/1000 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

12. Hardware 5500 Switches  5510-24T & 5510-48T  5520-24T-PWR & 5520-48T-PWR  5530-24TFD 5600 Switches  5632FD  5650TD & 5650TD-PWR  5698TFD & 5698TFD-PWR

13. Flexible Advanced Stacking Technology  Industry-leading Stacking –5500 models implement FAST 640 & 5600 models implement FAST 1152 –80/144Gbps of Stacking capacity per Switch & up to 640/1152 Gbps for a Stack of 8  Scales up to 400 Ports of Gigabit Ethernet, plus up to 16 Ports of 1GbE or 10GbE Uplinks  Auto Unit Replacement software & configuration control –Virtual Hot-Swap  QoS is maintained across the Stacking interfaces Field-replaceable AC & DC Power Supplies Return Cable creates resilient configuration 80Gbps Stacking per Switch & up to 1152 Gbps ERS 5600 models with FAST 1152

14. ERS 5000 Series Differentiation  Stackable Chassis  Switch Clustering  Avaya Energy Saver  Advanced QoS enhancements, including Lossless Mode  Enhanced Route, VLAN, Multicast, 802.1X/EAP scaling  Unique 96-port form factor Efficient Scalable Always-On

15. Highlights Ethernet Routing Switch 4500 Series  Scalable solution to empower Convergence –10/100 or 10/100/1000 to the Desktop, Fixed 100FX & SFP options –Power-over-Ethernet & QoS –fail-safe FAST 320 –high-speed local switching & Dynamic Layer 3 Routing  Integrated Access Control –802.1X with extensions  Delivers 99.999% reliability to the Network Edge 10/100/1000 & 10G Switches 10/100 Switches Overview & Benefits Further Information: http://www.avaya.com/usa/product/ethernet-routing-switch-4500-series  Enable the Converged Fast or Gigabit Ethernet Desktop  Comprehensive access control options  Reduce costs with Energy Saver  Scalable, pay-as-you-grow

16. 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 with PoE & 10GbE options –SFP & FX options  184Gbps of local switching & 40Gbps Stacking throughput per Switch  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 Power option

17. Hardware Gigabit Ethernet Switches  4524GT & 4524GT-PWR  4526GTX & 4526GTX-PWR  4548GT & 4548GT-PWR Fast Ethernet Switches  4526FX  4526T & 4526T-PWR  4550T & 4550T-PWR

18. Flexible Advanced Stacking Technology  Class-leading Stacking – ERS 4500 Series implements FAST 320 – 40Gbps of Stacking capacity per Switch & up to 320Gbps for a Stack of 8  Scales up to 400 Ports, Fast or Gigabit Ethernet, plus up to 16 Ports of 10/100/1000 Combo or 10GbE Uplinks  Auto Unit Replacement software & configuration control – Virtual Hot Swap  QoS is maintained across the Stacking interface  Consolidated Management via a single IP Address Up to 8 Switches & 400 Ports Return Cable creates resilient configuration 40Gbps Stacking per Switch & up to 320Gbps ERS 4500 Series with FAST 320

19. Energy Saver  Aligns the consumption of energy to the use of devices & building occupancy  “Dims” consumption during off-peak periods, even turning off low-priority devices that are no needed after-hours  Intelligently prunes off-peak power consumption  No need for any hardware change or investment overhead  Reduces power consumption without simplistically shutting- down  Centrally managed by the Enterprise Policy Manager

20. Key Benefits of the ERS 4500 Series  Industry-leading Stackable Chassis solution  Versatile & complete model range –11 Fast Ethernet & Gigabit Ethernet models  Security-enabled & Convergence-friendly  Competitively-high feature-price-value ratio –Now with Dynamic L3 Routing..!  Optimised for use in converged networks –Now with Automatic QoS..!  Highly energy-efficient & now with Energy Saver

21. Ethernet Routing Switch 2500 Series  Workhorse solution to empower Convergence –10/100 to the Desktop –Power-over-Ethernet & QoS –high speed local switching & Layer 3 Routing –entry-level FAST 32  Integrated Access Control –802.1X with Extensions –802.1AB auto discovery for network & devices  Delivers flexibility to the Network Edge Overview & Benefits  Enable the Converged Branch  Highly-available local Stacking & connections to the Core  Easy to configure and install  Scalable, pay-as-you-grow  Enterprise-class QoS & Access Control capabilities Highlights Further Information: http://www.avaya.com/emea/product/ethernet-routing-switch-2500-series

22. Capabilities 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..!  32Gbps Stacking architecture –Up to 384 10/100 ports  Wire-speed local switching & integrated Stacking Features & Roadmap  802.3af-compliant PoE  Auto-sensing 10/100  Auto-discovery of PoE devices  Dynamic power management  Endpoint access control  802.1X SHSA, Guest VLAN, RADIUS Authentication  DiffServ & 802.1p Prioritization  Traffic Marking & Re-Marking  Port Mirroring & Rate Limiting  802.3ad Link Aggregation (6 links)

23. Hardware Overview 26-port Switches  2526T  2526T-PWR 50-port Switches  2550T  2550T-PWR

24. Flexible Advanced Stacking Technology  Class-leading Stacking – the ERS 2500 Series implements FAST 32 –4Gbps of Stacking capacity per Switch & up to 32Gbps for a Stack of 8  Scales up to 384 Ports of 10/100 Desktop plus up to 16 Ports for 10/100/1000 Combo Uplinks  Auto Unit Replacement software & configuration control –Virtual Hot Swap  Consolidated Management via a single IP Address  Low-cost Stack cabling  Pre-enabled or field-upgradeable Up to 8 Switches & 400 Ports Uses low-cost Cat 5E UTP for Stacking 4Gbps Stacking per Switch & up to 32Gbps ERS 2500 Series with FAST 32

25. Configuration and Orchestration Manager Upgrade to a three-in-one product offering  Configuration and Orchestration Manager offers: –Network wide configuration and provisioning –Multiuser off-box element management –Bulk configuration and resource management (backup/ restore, patch, software upgrades and scheduling)  Key features: –Web-based multi-user product – secure access control –Configure and provision network wide using topology driven GUIs –Wizard and template based configuration to simplify complex configuration and multi step procedure –Device config file and password management  Single installation for multiple users  GUI driven workflow based configuration  Topology map high-lighting of key device configurations  Scalable off-box element management  Better access control and audit log capabilities COM Benefits:

26. COM Feature Positioning COM Feature Advantages COM absorbs all ESM & NRM features Security Audit logs & RBAC Server class platform- Resiliency, HA Plug-n-play patching and add-on support Workflow integration with UCM products Bulk Configuration & patch management