Routers & Bridges: Bay Networks Access Stack Node Systems - BAY-30002 [Bottom of Page]

Bay Networks Access Stack Node Systems
Part Number: BAY-30002

Access Stack Node System Base Unit with 16MB DRAM.



Features

  • Flexible Network Design
  • High-Performance Processor
  • LAN and Serial Interfaces
  • Multi-Protocol Routing and Bridging
  • Distributed Software Architecture
  • Fault Management
  • Online Operational Servicing (Hot-Swap)
  • Traffic Management
  • Remote Installation and Management
  • SNMP-Based Node Management
  • Compact Packaging
  • Specifications
  • Flexible Network Design

    The ASN uses a highly-scalable architecture, which provides cost-effective, growth-oriented solutions for remote, regional and departmental office access (see Figure 1). Typical applications and configurations include:

    1. Remote Access: Remote offices consisting of a few Ethernet and/or Token Ring LANs and several SNA/SDLC devices with primary and back-up WAN connections.

    2. Regional Access: Regional sites with several Ethernet and/or Token Ring LANs as well as directly attached SNA/SDLC devices. Multiple smaller remote sites are connected to this site using primary and back-up links. This site also uses a number of trunk interfaces for connecting to a multiprotocol WAN backbone at rates up to T1/E1.

    3. Departmental Access: Departments using multiple Ethernet and/or Token Ring LANs connecting to an FDDI building or campus backbone.

    Figure 2: ASN Design Logic

    High-Performance Processor

    The ASN's processor module is based on the Wellfleet Backbone Node's Fast Routing Engine (FRE) technology, using Motorola's 68040 microprocessor to maintain high forwarding and filtering rates across its network interfaces (see Figure 2). The aggregate forwarding performance is up to 50,000 packets/second per unit and up to 200,000 packets/second per 4-unit stack. Additionally, management inquiries are easily processed without affecting performance. The ASN's 8.0MB, 16MB or 32MB of DRAM is configurable to support customized partitioning between local and global memory. Router software, routing tables and management services, resides in local memory while global memory is dedicated to packet buffers. Through these reserved buffers, the ASN prevents traffic overflow which would result in network delays caused by large bursts of traffic (file transfer operations, for example).

    The ASN supports a 4.0MB standard PCMCIA Flash memory card for nonvolatile storage of the ASN's system software, configuration file and event log. To provide redundancy, the 4.0MB Flash can be logically divided into two partitions of equal size. Each partition is a uniquely addressable and fully functional Flash file system volume. Copies of boot images and configuration files can be stored on each partition.

    The ASN's optional 256KB Fast Packet Cache increases forwarding performance through hardware acceleration of frequently accessed packet information.

    The ASN's processor module supports the interconnection of up to four interface modules (net modules) for cost-effective network connectivity. Additionally, the stackable design provides for easy system expansion by enabling up to four ASNs to be interconnected through the Stack Packet Exchange (SPEX) net module.

    LAN and Serial Interfaces

    The ASN provides network connectivity via a selection of net modules and adapter modules (see Table 1). An ASN can support up to four net modules. Net modules are available that provide dual Ethernet, dual Token Ring, FDDI, dual Synchronous and ISDN BRI interfaces to meet a wide variety of connectivity requirements. The Stack Packet Exchange (SPEX) net module allows up to four ASNs to be interconnected in a stack configuration, for maximum expansion, connectivity and flexibility.


    Table 1: ASN Net Modules

                                    Maximum Number of
            Net Modules             Modules per ASN Unit
    
            Dual Ethernet                   4
    
            Dual Token Ring                 4
    
            Single FDDI                     2
            (Multimode)
    
            Dual Synchronous                4
    
            SPEX                            1
    

    Ethernet/802.3: The Ethernet/802.3 interface supports IEEE 802.3 and Version 1.0/2.0 Ethernet formats. Both a 10Base-T and an AUI connector are provided on Ethernet ASN models for a choice of Ethernet connectivity. A cable from the interface's 15-pin AUI connector provides optional connectors to a variety of media, including broadband, baseband, Starlan, fiber and shielded twisted-pair. This flexibility accommodates the media that best suits distance, cost and reliability criteria.

    Token Ring/802.5: The Token Ring interface can operate at either 4.0Mb or 16Mb ring speeds (software configurable), providing the flexibility to migrate to higher speeds as performance requirements dictate. A 9-pin D-subminiature connector is provided on the Token Ring ASN models for Token Ring cable attachment.

    The Token Ring interface also supports the IEEE 802.5 Media Access Control (MAC) token passing protocol, the 802.2 Type 1 (connectionless) protocol, the 802.2 Type 2 (connection-oriented) protocol and the 16Mbs Early Token Release (ETR) protocol. All Wellfleet Token Ring interfaces feature Madge Networks advanced Token Ring accelerator software, FastMAC Plus. It uses advanced buffering techniques to minimize per-frame overhead on the TI Token Ring chip set. These features enable the interface to send and receive data faster.

    FDDI: The FDDI interface provides a standard 100Mbs dual attached, multi-mode FDDI interface. The multi-mode interface supports 62.5/125 or 50/125 micron fiber at distances up to 2 kilometers between stations. The FDDI interface is compatible with ANSI X3T9.5 Physical Medium Dependent (PMD), Physical Protocol (PHY), Media Access Control (MAC) and Station Management (SMT) standards.

    Synchronous: The Synchronous interface supports V.35, RS232, RS449/422 balanced and X.21. Each Synchronous interface operates from 1200bps to 2.048Mbs, full-duplex, allowing use of lines up to T1 and E1 rates. Dial Back-Up, dial on demand and bandwidth on demand using Raise DTR and V.25bis dial signaling are supported over V.35 and RS232 interfaces. Additionally, internal and external clocking, as well as the entire range of wide area networking protocols that are supported by Wellfleet routers are supported by the Synchronous interface.

    Alternatively, the Synchronous interface can be configured to integrate IBM SDLC traffic across the internetwork by connecting local or remote IBM equipment directly to the Synchronous interface and using either Wellfleet DLSw for SDLC or Transparent Sync Pass-Thru.

    PU Type 2.0 and 2.1 devices are supported to provide a highly flexible interconnection solution. The Synchronous interface supports connection to these devices using a V.24 (RS232), V.35 or X.21 physical interface. Additionally the Synchronous interface ensures optimum SDLC performance by supporting numerous SDLC parameters (see Table 2).


    Table 2: SDLC Parameters

    Parameter               Function
    
    NRZ/NRZI                Specifies Line Support: Non-Return to
                            Zero or Non-Return to Zero Inverted
    
    Half/Full-Duplex       Specifies how Server Communicates with
                            Downstream PU 
    
    Constant/Switched       Specifies how Server Controls
    Carrier                 Request To Send Signal to a Modem 
    
    Transmit Clocking       Specifies Transmit Clocking Type:
                            Internal or External
    

    ISDN Basic Rate Interface (BRI) ISDN BRI for Wellfleet routers provides two 64Kbs B channels for data and one 16Kbs D channel for signaling. ISDN BRI is supported via an adapter module attached to the Synchronous net module. This eliminates the need for an external ISDN terminal adapter. A Synchronous module supports one ISDN BRI adapter module. Each ASN unit can support two ISDN BRI adapter modules. Wellfleet's ISDN BRI supports all major international signaling specifications (see Table 3).


    Table 3: ISDN Signaling Specifications

    Region /      
    Country         ISDN Standard
    
    Australia       AUSTEL TS013    
    
    Europe          Euro ISDN (NET3)
    
    France          VN-3           
            
    Japan           INS-64    
    
    North America   National ISDN-1
                    AT&T 5E6 ISDN
                    Northern Telecom DMS
    

    Stack Packet Exchange (SPEX)

    The SPEX net module enables up to four ASNs to be integrated in a stack configuration. Using an external cabling scheme, the SPEX provides a 160Mbs processor interconnect based on the Parallel Packet Exchange (PPX (TM)) processor interconnect technology featured in the high-performance Wellfleet Backbone Node. This feature maximizes connectivity by supporting up to 24 network interfaces in a 4-router stack.

    On-Line operational servicing (hot swap) is also supported to allow individual ASNs to be removed or added without affecting other units within the stack. Additionally, the entire stack is managed as a single routing platform. Each router is managed as an individual slot would be within a Wellfleet multiple-slot router/bridge. This simplifies network management by eliminating the requirement of managing each ASN as an autonomous device.

    Multi-Protocol Routing and Bridging

    The ASN maximizes network connectivity in multi-vendor, multi-protocol environments by supporting all major LAN and WAN protocols. Industry-standard IBM transport is also supported via the Wellfleet Data Link Switching (DLSw) support (RFC 1434) (see Table 5). To maintain remote office availability, ASNs also support dial-up services. This allows ASNs to provide fully featured router functionality to meet a wide range of remote office requirements.

    Software Suites: Four software suites are available for the Access Stack Node - Basic, LAN, WAN and Corporate (see Table 5). This allows the ASN to be configured with software that fits a site's particular requirements.

    Distributed Software Architecture

    The ASN features an innovative, highly efficient system software architecture that distributes forwarding, filtering and management functions across each unit in a stack configuration. In addition to ensuring high network performance, the architecture enables Wellfleet routers to offer exceptional fault isolation capabilities.

    All processing for each network interface is done by its directly attached ASN processor module. Each processor module uses its own copy of the routing/bridging code, forwarding/filtering tables and network management code. Routing and management updates are automatically included in the processor module's tables when they are received, and then passed to all other ASN processor modules within the stack configuration.

    Certain computation-intensive and memory-intensive routing update protocols, such as OSPF, are activated on only one ASN processor module within a stack configuration. This allows the processor intensive activities required by OSPF's link-state routing protocol to be performed by a single processor module that distributes the results to other processor modules within the stack. In the unlikely event of an ASN processor module failure, OSPF's "hot-standby soloist" is automatically and quickly activated on another ASN processor module, without the loss of current routing information. Less intensive routing protocols, such as IPX RIP, VINES RTP and AppleTalk RTMP, can be active on multiple ASN processor modules. Additionally, overhead processes, such as network management tasks, are distributed among the stacked ASNs (see Figure 3).

    Figure 3: Distributed Software Architecture - Stack Packet Exchange (SPEX)

    Fault Management

    The ASN provides extensive internal fault management capabilities that eliminate total system failure in the event of a hardware or software component malfunction. These capabilities ensure continued node and network availability by isolating malfunctions before they can affect other components in the node and other connected networks. Network management can be notified of fault conditions via the automatic generation of an SNMP trap.

    Online Dynamic Reconfiguration: Dynamic reconfiguration eliminates the need to schedule network downtime to reconfigure any ASN. Configuration parameters can be changed by issuing SNMP Set commands while the node is operational. Any changes made with SNMP Set are volatile and are lost when the ASN reboots. To preserve changes, the ASN's active configuration must be saved permanently to a file on the PCMCIA Flash memory. This file defines the ASN's new baseline configuration and ensures that the node will be properly configured to meet the current network requirements. The changes made may be saved on the Flash memory card at any time.

    Hardware Fault Isolation: If a hardware failure occurs, the malfunctioning component is logically disabled and isolated from the rest of the system. Hardware failures can be isolated to an individual net module or network interface. Within multiple ASN stack configurations, fault isolation can include individual ASN processor module, Flash card or power supply hardware.

    Software Fault Isolation and Recovery: A software process can also fail independently without affecting the operation of other processes. The operating system automatically isolates the failed software process without disrupting other protocols executing on the ASN or other ASNs within a stack configuration, and automatically restarts the failed process. If the process cannot be recovered, it is terminated.

    Partial Boot: Bay Networks partial boot capability enables the ASN to be started with failed hardware components and/or configuration errors. Power-up diagnostics determine the status of each processor module and link module. Any failed processor module is not booted. The software automatically configures around improperly configured hardware.

    Online Operational Servicing (Hot-Swap)

    The ASN provides maximum system availability through online operational servicing capabilities. Individual ASNs within a stack configuration can be added or removed without affecting the operation of the rest of the stack. This eliminates downtime for upgrades and repairs of ASN stack configurations. The ASN automatically boots when it is reconnected to the stack system and power is turned on.

    Traffic Management

    Bay Networks provides comprehensive traffic management capabilities for Wellfleet routers through Multi-line Circuits, Uniform Traffic Filters, Traffic Prioritization and Data Compression, maximizing remote office-to-central site security and bandwidth availability.

    Multi-line Circuits: Multiline Circuits allows a single circuit to be composed of up to sixteen individual serial network data paths, guaranteeing circuit availability in the event of a single data path failure. Multiline Circuits also increases bandwidth between two sites without the circuit management complexities associated with multiple circuits. Following initial configuration, the use of multiple data paths to form a single circuit is completely transparent.

    Multiline Circuits provides two methods for transmitting traffic over its data paths - address-based selection and random selection. Address-based selection determines the path a packet takes based on its source and destination addresses. Once a path has been established for a given address pair, subsequent packets will follow the same path. This ensures the sequentiality of packets and is a valuable feature for protocols that cannot tolerate packets received out of order. Random selection determines the path each packet takes based on a randomly assigned number that corresponds to a particular data path in the circuit. This provides for even distribution across the circuit to avoid congestion and is intended for use with protocols that can accept packets received out of sequence. The ability to select the method of transmitting data across the circuit enables Multiline Circuits to maximize the performance of a wide range of applications.

    Uniform Traffic Filters: Uniform Traffic Filters enables inbound and outbound traffic filters to be easily established for all supported network protocol traffic. Uniform Traffic Filters provides an efficient method for developing an effective and comprehensive network security strategy. In addition, Uniform Traffic Filters preserves WAN bandwidth and can increase performance by reducing network congestion.

    Inbound traffic filters can be configured to accept or drop incoming packets from any Wellfleet router's local area or serial network interface. Outbound traffic filters can be configured to drop outgoing packets destined for any Wellfleet router's serial interface. Also, Uniform Traffic Filters can be configured to execute a log action when a datagram's fields match the values defined in the filter. Filters can be created using predefined protocol-specific fields or user-defined fields. Up to 31 inbound filters and 31 outbound filters (including Traffic Prioritization filters) can be defined for each protocol on every supported network interface.

    Filter precedence can be defined for multiple filters configured on an interface, reducing filter definition complexity. All filters are configured via Site Manager, the node management application for Wellfleet routers.

    Traffic Prioritization: Traffic Prioritization filters can assign a high priority to time-sensitive and/or mission-critical traffic, thereby reducing the occurrence of session timeouts and improving application response times. Priority filters can be configured to place packets into one of three priority queues - high, normal or low - for transmission through a Wellfleet node's outbound serial interface. Priority filters can be applied to the complete family of Wellfleet routing and bridging protocols. Priorities can be assigned to packets based on their protocol, source network, destination network and packet type, as well as other fields that are identifiable by an offset in a packet. The number of priority filters defined for a protocol on an interface depends on the number of outbound Uniform Traffic Filters assigned to the protocol on the interface. For example, if there are no outbound Uniform Traffic Filters defined for a protocol, then 31 priority filters can be assigned. However, if, for example, sixteen outbound Uniform Traffic Filters are defined for a protocol, then fifteen priority filters can be assigned.

    Traffic Prioritization can be configured to use either a strict dequeuing algorithm or a bandwidth allocation dequeuing algorithm to transmit packets across a serial line. The router's strict dequeuing algorithm transmits all packets from the high-priority queue before transmitting packets from the normal and low-priority queues. The bandwidth allocation dequeuing algorithm allows packets from the normal and low-priority queues to be transmitted when the high-priority queue still contains packets, based on user-assigned bandwidth allocation percentages for each queue. This ensures that packets assigned lower priorities are transmitted in environments with large amounts of high-priority traffic. Each serial line attached to a Wellfleet router can use the strict or bandwidth allocation dequeuing algorithm and can be reconfigured at any time in response to changes in configuration and/or performance requirements.

    Data Compression: The Wellfleet router software-based Data Compression feature maximizes internetwork performance by reducing the amount of bandwidth required to transport LAN protocols over WAN links. Based on the Lempel-Ziv algorithm, the payload compression mechanism provides a compression ratio of 2:1 and is optimized for Fractional T1/E1 links. Payload compression compresses only the data portion of network protocol packets, leaving packet headers intact. Because packet headers are not compressed, packet switched services, such as X.25 and Frame Relay, can still be used.

    Remote Installation and Management

    EZ-Install and EZ-Update simplify ASN installation and make router reconfiguration and software updates from a central site quick and easy.

    EZ-Install: EZ-Install eliminates the time and expense of sending a technical resource to install and configure an ASN. All that is required at the remote site is connecting the ASN's LAN and serial interfaces and turning on the power. With EZ-Install, the ASN obtains its software image from Flash memory and its configuration file through the network. Using EZ-Install, an ASN automatically obtains its IP address from an upstream Wellfleet router and its configuration file from a central-site server using the BOOTP protocol (see Figure 4). After an ASN's configuration file has been successfully downloaded to DRAM via EZ-Install, the unit's configuration file can be saved to Flash memory for nonvolatile local storage.

    Figure 4: EZ-Install

    EZ-Update: EZ-Update facilitates the automatic downloading of software updates and configuration files, minimizing the time and expense associated with software maintenance. The existing ASN configuration file and software image are stored in the ASN's nonvolatile Flash memory for use as backup in case any problems are encountered while downloading new software. To use EZ-Update, the ASN is dynamically configured to boot its configuration file and software image from the central site. The ASN can then be rebooted or power-cycled and a new configuration file and/or software image will be downloaded to the ASN's DRAM from a central-site server. Once it has been determined that the new configuration file or software update is acceptable, it can be saved to the ASN's Flash memory, replacing the previous configuration file and/or software image.

    SNMP-based Node Management

    Bay Networks provides comprehensive node configuration, monitoring and control by combining a management support foundation with two SNMP-based tools: Optivity/Internetwork and the Technician Interface (TI). ASN's in a stack configuration are easily managed as a single routing platform. This simplifies node management by eliminating the need for the autonomous management of multiple routers. EZ-Configure, Online Dynamic Reconfiguration and Dynamic Software Builder and Loader features minimize memory requirements and enable remote sites to be configured quickly and easily.

    Security is ensured with a 2-level password mechanism (read vs. read/write). The ASN supports a TFTP client/server agent and an SNMP agent that enables configuration, monitoring and control of each of the ASN's network interfaces. The SNMP agent can respond to Get/Set requests independently. All MIB variables (MIB II and Wellfleet's extensive, enterprise-specific MIB) are also provided.

    Site Manager: Optivity/Internetwork integrates Site Manager, Bay Networks node management application for Wellfleet routers with RouterMan, an intuitive router monitoring application and PathMan, a graphical network diagnostic tool to simplify and improve management of complex router internetworks.

    RouterMan offers real-time router performance and status reporting. The application's intuitive graphical user interface provides at-a-glance overall router status. Fault and performance statistics, history and analysis are provided for the overall router, by protocol or by interface. A simple color-coded interface and fault history log provides proactive detection and indication of potential router problems.

    PathMan dynamically determines the complete data path between any two network end stations, assisting network managers in troubleshooting large complex networks. All network components on the selected path appear automatically in a system-generated display of the route, showing exactly how devices are connected within the network. Color-coded icons display each device's status, enabling rapid problem identification.

    Site Manager is a platform-independent, SNMP-based application developed expressly for simplifying the configuration and management of Wellfleet routers. It provides an intuitive point-and-click user interface that streamlines the configuration process and eliminates cryptic commands. Site Manager offers central configuration management that simplifies network setup and expansion, real-time operations and monitoring and real-time event and fault monitoring for efficient problem identification and isolation. Site Manager is available for MS Windows, SPARC, HP/9000 and IBM RS/6000 platforms.

    Optivity/Internetwork operates independently or with the leading SNMP Platforms - HP OpenView, IBM NetView for AIX and SunNet Manager for additional capabilities.

    EZ-Configure: Site Manager's EZ-Configure feature enables configuration file templates to be copied or modified for use at sites with similar configurations. This saves the time associated with building a completely new configuration file when a new site is brought online. EZ-Configure is useful for networks with many ASNs that have similar configuration requirements, such as branch banks.

    Dynamic Software Builder and Loader: Site Manager's Software Builder works with the ASN's Dynamic Loader to preserve the ASN's Flash memory and DRAM space. The Software Builder allows ASN software images to be customized. Only required software functionality is maintained in the ASN's software image. For example, if a site only requires IP and IPX support, other network protocols can be deleted from the software image to preserve Flash memory space.

    The ASN's Dynamic Loader feature preserves DRAM space by only loading to DRAM the routing functionality that is required by a particular ASN configuration. Using the previous example, if a particular office does not require IPX support, then Dynamic Loader would load only IP to DRAM, rather than the ASN's complete software image.

    Technician Interface (TI): This terminal-based (TTY-compatible) tool enables basic configuration and maintenance locally or through Telnet. The Technician Interface is based on a simple command line interpreter that supports SNMP-based access to the MIB, displays the event log, and supports file system management and other administrative commands. The TI also supports out-of-band access to the ASN through a modem connection.

    Figure 5: Access Stack Node Connector Panel

    Compact Packaging

    Measuring only 4.33 inches by 17.50 inches by 17.00 inches (10.99 cm by 44.45 cm by 43.18 cm), the ASN requires minimal space. Quiet and compact, the ASN can operate in either a wiring closet or desktop environment and is rack-mountable. LEDs indicate module status for easy troubleshooting assistance (see Table 4 and Figure 5). Each net module has a LED labeled FAIL, which when lighted indicates that the module is either not configured or malfunctioning.


    Table 4: LEDs

                LED   Status Indicator
    
               DCD1   Data Carrier Detect Present on Synchronous Net
                      Module COM1 Port
    
               DCD2   Data Carrier Detect Present on Synchronous Net
                      Module COM2 Port
    
     XMT and RCV P1   Transmitting and Receiving Data on Ethernet
                      Net Module AUI1 or 10BT1 Port
    
     XMT and RCV P1   Transmitting and Receiving Data on Ethernet
                      Net Module AUI2 or 10BT2 Port
    
              WFAIL   Detection of a Wire Fault in Either the
                      Receive or Transmit Line (Token Ring)
    
               NSRT   Port has Inserted into the Token Ring LAN
    
               RCVR   Receiving Data from the Token Ring LAN
    
                 SD   Incoming Signal Detected by FDDI Interface
    
                 TX   Transmitting Data Across FDDI Interface
    
             Sand P   Router is Present on the FDDI Ring
    
                 FR   Transmitting a Frame from SPEX Net Module
    
                 FC   SPEX Net Module is Using Flow Control
    

    Specifications

    Architecture
    Processor module based on Motorola 68040 microprocessor
    Four net modules per processor module
    Four unit stack configuration via SPX
    Symmetric multiprocessor architecture with multiple units

    Connectivity
    Ethernet Interface (15-Pin AUI connector, RJ45)
    Token Ring Interface (9-Pin MAU Connector)
    FDDI (2 MIC, 1 RJ11 - Optical Bypass) Synchronous Interface (44-Pin Connector RS449/422, RS232, V.35, X.21)

    Packaging
    Type Tabletop/Rackmount Dimensions 4.33" H x 17.50" W x 17.00" D (H x W x D) 10.99cm x 44.45cm x 43.18cm Weight 25 Lbs. (11.34 kg AC Voltage 100 - 240 VAC at 1.0A Maximum Wall Receptacle NEMA 5-15R (100 - 240 V ac) (for use in North America)

    Environmental and Regulatory
    Altitude 0 - 8000 ft (0 - 2400 m) Humidity 20% - 80% (Non-Condensing) Temperature 32 - 104 Degrees Fahrenheit Safety UL 1950, TUV EN60 950, CSA 22.2 950 RFI/EMI FCC Part 15, VDE 0878 Limit B, CISPR 22A


    Table 5: ASN Software Functionality and Availability

                                            Basic   LAN     WAN     Corporate 
    Feature                                 Suite   Suite   Suite   Suite
    

    Network Protocols IP x x x x OSI x x DECnet Phase IV x x Novell IPX x x Banyan VINES x x AppleTalk Phase 2 x x Xerox XNS x x

    IBM Integration Source Route Bridge x x x x LAN Network Manager Agent x x x x Data Link Switching for Ethernet and Token Ring x x x x Data Link Switching for SDLC x x Transparent Sync Pass-Thru x x x x

    Bridging Transparent (Ethernet and FDDI) x x x x Translation Bridge Ethernet-Token Ring x x x x Ethernet-FDDI x x x x Token Ring-FDDI x x x x Native Mode LAN (NML) x x x x

    Wide Area Networking Wellfleet HDLC Encapsulation x x x x Point-to-Point Protocol (PPP) x x x x Frame Relay x x SMDS x x X.25 x x ATM DXI x x x Dial Back-Up x x x x Bandwidth on Demand Q3,1995 Q3,1995 Q3,1995 Q3,1995 Dial on Demand x x x x

    Traffic Management Multiline Circuits x x x x Uniform Traffic Filters x x x x Traffic Prioritization x x x x Data Compression x x x x

    Node Management EZ-Install / EZ-Update x x x x Dynamic Loader x x x x

    Corporate Headquarters: 10140 Mesa Rim Road, San Diego, CA 92121
    (619) 453-9191 (800) 334-9191 Fax: (619) 453-9294
    E-mail: inquire@andataco.com URL: http://www.andataco.com

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    Routers & Bridges: Bay Networks Access Stack Node Systems - BAY-30002