2 OmniSwitch The only switch with integral: n LAN switching n ATM switching n WAN switching n layer three switching n full media support n policy-based management

3 120Mbps Mgmt. Bus Cell Switching Module Cell Switching Module Frame Switching Module Frame Switching Module Mgmt. Processor Security HRE Routing VLANs Frame/Cell Switching Module OC-12 SAR LEC(s) 13.2Gbps Cell Matrix 960Mbps Frame Bus 10M Ethernet 100M Ethernet Token Ring FDDI CDDI Frame Relay ISDN T1 / E1 T3 / E3 ATM25 OC-3c / STM-1 OC-12c / STM-4 Circuit Emulation OmniSwitch: complete hardware integration

4 10BaseT 10BaseFL (SM) 10BaseFL (MM) 10Base2 10Base5 100BaseTX 100BaseFX (SM) 100BaseFX (MM) Gigabit Ethernet (copper) Gigabit Ethernet (SM) Gigabit Ethernet (MM) 10BaseT 10BaseFL (SM) 10BaseFL (MM) 10Base2 10Base5 100BaseTX 100BaseFX (SM) 100BaseFX (MM) Gigabit Ethernet (copper) Gigabit Ethernet (SM) Gigabit Ethernet (MM) ISDN PRI / BRI Frame Relay (FT1 / T1 / E1) PPP (FT1 / FE1) T1 / E1 AAL-1 Circuit Emulation ISDN PRI / BRI Frame Relay (FT1 / T1 / E1) PPP (FT1 / FE1) T1 / E1 AAL-1 Circuit Emulation Unparalleled connectivity options Token ring (UTP) Token ring (STP) Token ring (fiber) FDDI (SM) FDDI (MM) CDDI ATM T1 / E1 (UNI / NNI) ATM T3 / E3 (UNI / NNI) ATM 25.6 (UNI) ATM OC-3c / STM-1 (SM, UNI / NNI) ATM OC-3c / STM-1 (MM, UNI / NNI) ATM OC-3c / STM-1 (UTP, UNI / NNI) ATM OC-12 / STM-4 (SM, UNI / NNI) ATM OC-12 / STM-4 (MM, UNI / NNI) Token ring (UTP) Token ring (STP) Token ring (fiber) FDDI (SM) FDDI (MM) CDDI ATM T1 / E1 (UNI / NNI) ATM T3 / E3 (UNI / NNI) ATM 25.6 (UNI) ATM OC-3c / STM-1 (SM, UNI / NNI) ATM OC-3c / STM-1 (MM, UNI / NNI) ATM OC-3c / STM-1 (UTP, UNI / NNI) ATM OC-12 / STM-4 (SM, UNI / NNI) ATM OC-12 / STM-4 (MM, UNI / NNI) Switches that route from any port to any other.

5 Any-to-any switching 10M Ethernet100M Ethernet Gigabit EthernetToken RingFDDI / CDDIFrame Relay 25M ATM34/45M ATM155M ATM 622M ATM 10M Ethernet100M EthernetGigabit EthernetToken RingFDDI / CDDIFrame Relay25M ATM34/45M ATM155M ATM622M ATM No matter what your network looks like or how your network evolves… …you should have a switch that can do it all.

6 Unparalleled port densities Frame switching n up to BaseT ports n up to 48 10Base2, 10Base5, or 64 10BaseFL ports n up to 96 Fast Ethernet 100BaseTX ports n up to 64 Fast Ethernet 100BaseFX ports n up to 16 FDDI or 64 CDDI ports n up to 128 token ring lobe and device ports Cell switching n ATM with support for ATM25 all the way to OC-12/STM-4 n up to 64 OC-3/STM-1 ports (multimode and single mode) n up to 16 OC-12/STM-4 ports (multimode and single mode) WAN switching n frame relay n ISDN n ATM

7 Failure-resistant architecture OmniSwitch features n redundant Management Processor Modules n hot-swap for all modules and power supplies n completely passive backplanes n fully distributed switching architecture n dual load-sharing, redundant power supplies n -48 DC power supply

8 4 4 High speed routing (225,000pps) 4 4 All forwarding of IP and IPX packets in ASICs 4 4 Reduces latency 4 4 Standard routing protocols n RIP n RIP II n OSPF n IP Multicast n DVMRP n BootP Relay n DHCP Relay Multi-layer switching: HRE Management Processor module (MPM) HRE

9 n explicate rate processing for ABR traffic n point-to-point and point-to- multi-point n rerouting due to link failure for PVCs n policy-based path selection n path selection based CLR, CDV or maxCTD n ability to set a user priority level for a connection n load balancing between parallel links, between adjacent switches, and balancing calls to a destination on a network-wide basis n VP tunneling X-Cell’s ATM capabilities n CBR-PRS, CBR, VBR-rt, VBR- nrt, ABR, UBR n UNI 3.0, UNI 3.1, and UNI 4.0 n PNNI 1.0 n LANE 1.0, LANE v2.0 (Ethernet, token ring) n NHRP and MPOA n IISP-compliant for interoperability with other ATM switch vendors n SVCC, SVPC, PVCC, PVPC n Partial Packet Discard, Early Packet Discard, & Random Early Detect n dual generic cell rate algorithms (dual leaky buckets) OmniSwitch with X-Cell

10 Flexible policies… QoS based on: n layer 2: l MAC, VLAN,.1Q,.1p, multicast group n layers 3 and 4: l IP / IPX destination, RSVP, source / destination IP port OmniSwitch QoS …to address the critical issues Requirements: n guaranteed bandwidth n fair and dynamic bandwidth allocation n prioritized queuing n special multicast handling n integrated LDAP client n authorization n frame-to-cell mapping

11 OmniSwitch ATM Network Legacy WAN Fast Ethernet Backbone Hardware Routing Engine DLCI LEC NHRP q AutoTracker OmniMSS SVC/PVC ELAN SVC/PVC MPOA LE-Services Complete, standards-based internetworking

12 Enterprise-wide application platform OmniSwitch ATM Network Legacy WAN Fast Ethernet Backbone Hardware Routing Engine MRP AutoTracker Intranet Video Automatic, secure, mobile client attachment Finance Sales

13 And a whole lot more… 10BaseT 10BaseFL (SM) 10BaseFL (MM) 10Base210Base5 100BaseTx (HDX) 100BaseTx (FDX) 100BaseFx (SM, FDX) 100BaseFx (MM, FDX) Gigabit Ethernet (copper, FDX) Gigabit Ethernet (SM, FDX) Gigabit Ethernet (MM, FDX) Token ring (UTP) Token ring (STP) Token ring (fiber) FDDI (SM DAS) FDDI (MM DAS) FDDI (SM SAS) FDDI (SM DAS) CDDI (TP-PMD) ATM T1/E1 (UNI / NNI) ATM T3/E3 (UNI / NNI) ATM 25.6 (UNI) ATM OC-3c/STM-1 (SM, UNI / NNI) ATM OC-3c/STM-1 (MM, UNI / NNI) Frame relay (T1/E1) ISDN BRI ISDN PRI T1/E1 AAL-1 circuit emulation T3/E3 AAL-1 circuit emulation DHCP relay BootP relay Virtual rings (token ring) Redundant power Redundant fans Redundant MPM Redundant power sources IP fragmentation Spanning Tree Source route bridging IPX translations Banyan Vines translations trunking 802.1q trunking Translational bridging IBM Spanning Tree ATM OC-12/STM-4 (SM, UNI1 / NNI) ATM OC-12/STM-4 (MM, UNI1 / NNI) IP routing RIP RIP II OSPF BGP 4 IPX routing Hardware routing IP firewalls Network Address Translation Ethernet LANE client Token ring LANE client LANE service RFC 1577 (CIP) RFC 1483 Frame relay Access FRF.9 payload compression Hardware compression RFC 1490 Port-based VLANs MAC address-based VLANs Protocol-based VLANs Network layer address- based VLANs Custom defined VLANs Multicast VLANs Authenticated user VLANs Support for HP OpenView Support for SunNet Manager Support for IBM NetView Support for Spectrum SNMPTelnet Port mirroring RMON Agent RMON Viewer Broadcast throttling Optimized per port switching ATM UNI 3.0/3.1 PNNI 1.0 IISP TM 4.0 (with full ABR support) Early Packet Discard (EPD) Partial Packet Discard (PPD) Random Early Detect (RED) Soft PVCs Crankback PVC tunneling 1:1 line protection Dual GCRAs per VC Policy-based VLANs

Single, uniform hw / sw architecture across all products 4 4 Patent-pending integral ATM switching fabric 4 4 Very large-scale silicon design capability n highest density ASICs in the industry n best price, performance, density for carrier deployment 4 4 Uniform, policy-based network management across all platforms 4 4 Only any-to-any media switching available in the industry n support for all LAN, WAN and ATM media 4 4 Industry-leading Virtual LAN implementation 4 4 Integrated standards- based security Technology leadership