Edgewater Networks 4200 Series User Manual
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Edgewater Networks 4200 Series User Manual

4200 series converged network appliance
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4200 Series
Converged Network Appliance
User Manual
Edgewater Networks, Inc.
2730 San Tomas Expressway
Suite 200
Santa Clara, Ca. 95051
Phone: 408.351.7200
info@edgewaternetworks.com

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  • Page 1 4200 Series Converged Network Appliance User Manual Edgewater Networks, Inc. 2730 San Tomas Expressway Suite 200 Santa Clara, Ca. 95051 Phone: 408.351.7200 info@edgewaternetworks.com...
  • Page 2 EdgeMarc is a trademark of Edgewater Networks, Inc. in the United States and other countries. Any other trademarks appearing in this manual are owned by their respective companies.

  • Page 3: Table Of Contents

    Traffic Management Configuration ..............30 Enable Traffic Shaping ................30 Enable CAC ....................31 A Closer Look at Traffic Management in the 4200........... 33 Chapter 4: System Diagnostics ................ 34 Passive Voice Call Monitoring ................. 36 Accessing Troubleshooting Tools ..............37 Chapter 5: Saving and Restoring the 4200 Configuration........

  • Page 4: Chapter 1: Introduction

    Thank you for the purchase of your 4200converged network appliance. This User's Guide describes the 4200 converged network appliance. This document introduces the major features of the 4200 and describes how to perform physical installation and system configuration. This User's manual is intended for network installers, network operators, and security officers.

  • Page 5: Features

    Edgewater Networks, Inc. The 4200 Converged Network Appliance The 4200 is a new generation of edge device providing the demarcation point for real-time, interactive IP services. It is the ideal solution for connecting enterprise PCs and IP Phones to a private or public IP network. It replaces multiple standalone systems by integrating voice-over-IP (VoIP), network security, traffic management and voice call quality monitoring into a low-cost, easily managed device.

  • Page 6: Back Panel

    LAN Ethernet port The 4200 series LAN interface is a 4-port switch that uses a single IP address. The LAN Ethernet ports are 10/100 auto sensing ports that should be connected to IP phones, IADs or PCs installed on the local area network (also known as the private network).

  • Page 7: Chapter 2: Getting Started

     Never assume that the AC cord is disconnected from a power source. Always check first.  Never place objects greater than 5 lbs on top of the 4200 as damage to the chassis may result.  Always connect the AC power cord to a properly grounded AC outlet to avoid damage to the system or injury.

  • Page 8: Connecting To The 4200

    Edgewater Networks, Inc. Connecting to the 4200 The 4200 is configured using a web browser such as Internet Explorer or Netscape Navigator. The 4200is shipped with a pre-configured IP address for its LAN port of 192.168.1.1. To connect to the 4200, do the following: A.

  • Page 9: Chapter 3: Configuring The 4200

    Edgewater Networks, Inc. Chapter 3: Configuring the 4200 The 4200 is a flexible, easy to use converged network appliance that provides many critical networking functions for IP based voice and data. It can be installed in several different VoIP topologies: ...
  • Page 10 Most private enterprise VoIP networks use an IP PBX at the corporate headquarters location to provide voice switching between headquarters, branch offices and the PSTN. The 4200 is used in these environments to securely connect branch office employees to the IP PBX installed in the corporate headquarters location.
  • Page 11 4200 User Manual Edgewater Networks, Inc. The installation of an 4200 on the station side of an enterprise IP PBX is very similar to the IP Centrex application above. The branch office is connected to the corporate network using VPNs or private T1 links terminated by a WAN router. The 4200is then connected directly to the WAN router and the LAN port of the 4200is connected to the enterprise ethernet local area network (typically a layer 2 switch).
  • Page 12 Companies using shared WAN links for inter-office IP voice communications can use the 4200 as a traffic shaper to meet the stringent jitter, latency and packet loss requirements for toll quality voice. The 4200 is deployed in the network between WAN and LAN connections in headquarters and branch office locations.
  • Page 13 4200 User Manual Edgewater Networks, Inc. Configuration Outline Configure For Trunk Side IP Task Subtask PBX Application? System Configuration configure LAN/WAN interface set ethernet link rate Optional enable the DHCP server Not required configure SNMP Optional VoIP Configuration enable the VoIP ALG...

  • Page 14: System Configuration

    IP addresses. The value entered into this field is provided to IP devices that use the 4200 as a DHCP server. The 4200 VoIP ALG also uses it if domain names are used instead of IP addresses to identify signaling and/or TFTP servers (see the section entitled “Configuring the VoIP ALG”...
  • Page 15 If needed configure the rate of the physical ethernet port on the 4200. The default setting for the Ethernet port is to “autonegotiate” both the link speed and duplex with locally attached devices.

  • Page 16: Configure The Dhcp Server

    PLEASE note: The DHCP server in the 4200 should not be used if a DHCP server already exists in the same subnet as the 4200. Also, it is recommended that you assign static IP addresses for common-access devices such as network printers or fax machines.

  • Page 17: Configure Snmp

    B. Uncheck the Enable DHCP Server checkbox. C. Press Submit. Configure SNMP The 4200 can be managed remotely by an SNMP network management system such as HP Openview. The 4200 supports SNMPv1 and MIB-II (RFC1213). All MIB-II variables are read only.

  • Page 18: Enable Remote System Logging

    4200. The default is 'public'. F. Enter the System Location. This is a comment string that can be used to indicate the location of the 4200. By default, no value is set. G. Enter the System Contact.
  • Page 19 4200 User Manual Edgewater Networks, Inc. We strongly recommend that you change the default password for the “root” administrative account using the following steps: A. Select System. B. Select changed in the Change Password section of the GUI. C. Enter the New Password.

  • Page 20: Voip Configuration

    IP address of the voice device may be changed. Configure the VoIP ALG In order to configure the VoIP ALG the 4200 must be told where to reach the signaling servers and TFTP server on behalf of the voice devices.

  • Page 21: Configure Voip Subnet Routing

    PLEASE note: It is not necessary to program in an FTP server address if your IP phones use the FTP protocol instead of TFTP to retrieve their images. A relay function is not needed for FTP as the 4200 will forward FTP traffic to the destination server as programmed in your IP phone.

  • Page 22: Configure Ip Phones, Iads Or Softphones

    Perform steps A through H for each remote subnet that you wish to delete. Configure IP Phones, IADs or Softphones After configuring the 4200 VoIP ALG the voice devices must be configured to point to the LAN interface of the 4200 as their signaling gateway and optionally as their TFTP server (if they use the TFTP protocol to retrieve their software images).
  • Page 23 VoIP ALG” section of this guide. H. Save and Reboot the telephone. The phone should now register with the 4200. To complete the installation a one- time activation code may be required by the network based softswitch or IP PBX.

  • Page 24: Data Networking Configuration

    Chapter 3 “VoIP Configuration”. Configure Dynamic NAT Use Dynamic NAT when you have multiple PCs installed on the LAN side of the 4200 that require Internet or WAN access. Once Dynamic NAT is enabled the 4200 will automatically perform an address translation for all packets to/from the LAN side PCs.

  • Page 25: Static Ip Routing

    IP address 198.66.203.19 to the private webserver 192.168.1.3 port 8080. The public IP address of 198.66.203.19 is automatically created as a “subinterface” or “secondary address” on the WAN interface of the 4200 so that external hosts can reach the web server.
  • Page 26 4200 User Manual Edgewater Networks, Inc. Delete the static route A. Select System. B. Select System Overview. C. Select Route. D. Remove the check in the Apply Route checkbox. E. Press Submit. Version 2.2...

  • Page 27: Firewall Configuration

    B. Use the Enable Firewall checkbox to either enable or disable the firewall. C. Select Submit. Configure Basic settings To allow or deny http and SSH traffic originating from the WAN to the 4200 simply use the checkboxes provided in the basic settings area of the firewall configuration page.

  • Page 28: Configure Advanced Settings

    Edgewater Networks, Inc. Configure Advanced Settings A comprehensive security policy can be created using the advanced settings of the 4200 firewall. The policy actions that can be taken on any packet processed by the 4200 are summarized in the following table: Action...
  • Page 29 4200 User Manual Edgewater Networks, Inc. Remove Advanced Setting Entries To remove an advanced firewall setting simply highlight the value in the entry box and delete it using the keyboard. A. Select Firewall. B. Highlight the entry to be deleted in the Advanced Settings list and press the Delete key on your keyboard.

  • Page 30: Traffic Management Configuration

    DiffServ enabled routers. The TOS bit value used by the 4200 is to “minimize delay and maximize throughput” or 8p hexadecimal. This value is set for all VoIP packets processed by the 4200 and overwrites any specific TOS bit configuration set by VoIP endpoints.

  • Page 31: Enable Cac

    Enable CAC The 4200 uses CAC to limit the number of active voice calls over the WAN link. This is necessary because a typical installation uses a ratio of 1:2 or 1:4 active voice calls to voice devices on the assumption that 50% or 25% of all users are on the phone at the same time.
  • Page 32 15%. This reduction is necessary because the 4200 automatically reserves 15% of the total WAN bandwidth for low priority data traffic so that it is not starved completely. Starving data traffic completely would increase the number of retry attempts and exacerbate congestion on the link during periods of peak usage.

  • Page 33: A Closer Look At Traffic Management In The 4200

    IP address. The user configures these addresses into a priority list using the traffic shaping section of the 4200 web GUI. As the 4200 processes packets they are marked as either high or low priority based on this configuration.

  • Page 34: Chapter 4: System Diagnostics

    LAN interface by the 4200 appliance. Similarly data traffic sent back to the 4200 for transmission to the WAN are also delayed. This results in the end stations slowing down their transmit rate. This technique is quite effective in practice as end stations usually reduce their transmit rate before VoIP signaling has completed for new call setup.

  • Page 35: Routing Information

    Routing Information The system routing table contains the static routes for hosts and networks that are configured on the 4200. If just the LAN and WAN IP addresses have been configured there will be four lines displayed:  The private subnet will be associated with the LAN interface.

  • Page 36: Passive Voice Call Monitoring

    System Logging Messages Displays information logged during system boot and normal operation. Logging messages may indicate unauthorized attempts to access the 4200, process restart messages, and excessive resource utilization messages. Passive Voice Call Monitoring The 4200 monitors live voice calls and performs objective speech quality assessment.

  • Page 37: Accessing Troubleshooting Tools

    Verify Registered Voice Devices The 4200 maintains a list of all registered voice devices called a “clients list” so that it can properly route voice calls. At startup, voice devices register their IP addresses with the 4200.
  • Page 38 NetIQ console test application (sold separately). The test application can initiate VoIP tests as well as other data sessions between the test client in the 4200 and test clients placed in other parts of the network to simulate different traffic patterns.
  • Page 39 All voice and data sessions currently in progress will be interrupted. Rebooting the 4200 In extreme circumstances while troubleshooting you may be asked to reboot the 4200 by technical support. Please use the following steps to reboot the system: A. Select System. B. Select System Overview.

  • Page 40: Chapter 5: Saving And Restoring The 4200 Configuration

    4200 or on remote TFTP servers. PLEASE note: No more than 2 backup files can be stored in the 4200’s flash due to size constraints. Also, it is recommended that you create a backup file after any configuration changes are made to the 4200.
  • Page 41 Copy a Backup File to a Remote TFTP Server bash# ewn upload <filename> <tftp server IP Address> Copy a backup file from the 4200 to a TFTP server. Download a Backup File from a Remote TFTP Server bash# ewn download <filename> <tftp server IP Address>...

  • Page 42: Chapter 6: Upgrading The 4200

    Edgewater Networks. Information on the latest release can be found in the release notes section of our website at: http://www.edgewaternetworks.com/Support/SupportDocLanding.html#ReleaseNote It is recommended that you reboot the 4200 prior to performing the upgrade. This is to make sure there is enough dynamic memory available to handle the upgrade process.
  • Page 43 It is recommended that you perform the upgrade with a local terminal connection to the system by using the following steps. C. Use a NULL modem cable to connect to serial port 1 of the 4200 D. Use a terminal emulator such as Hyperterminal set to a baud rate of 115200,...
  • Page 44 G. Verify that the upgrade was successful by checking the software revision number found on the System page H. If you opened an SSH session you should logout of the 4200 and close the SSH session by entering exit in the command line.

  • Page 45: Appendix A: Troubleshooting Tips

    We recommend connecting a PC directly (or via a switch) to the LAN port of the 4200. The default LAN IP address of the 4200 is 192.168.1.1 so please be sure that the IP address of the PC is on the same network (eg. 192.168.1.2). Once you have connected please verify that the IP configuration information in the Network page is correct.

  • Page 46: Appendix B: Contact Information

    Edgewater Networks, Inc. 2730 San Tomas Expressway Suite 200 www.edgewaternetworks.com Phone: 408.351.7200 General: info@edgwaternetworks.com Sales: sales @edgewaternetworks.com Edgewater Networks, Inc. - Technical Assistance Center Phone: 408.351.7200 ext. 2 support@edgewaternetworks.com Appendix C: Specifications WAN Ports 1x10/100 Ethernet LAN Ports 1x10/100 Ethernet...

  • Page 47: Appendix E: License Information

    Software does not perform substantially in accordance with the user documentation and Edgewater Networks is able to reproduce such failure, the entire and exclusive liability and remedy shall be limited to either, at Edgewater Networks’ sole discretion: (i) providing a correction or a workaround for such failure; Version 1.4...
  • Page 48 Agreement. If you have any questions regarding this Agreement, please contact Edgewater Networks, Inc. at 2730 San Tomas Expressway, suite 200, Santa Clara, CA 95051 or call 408.351.7200.
  • Page 49 4200 User Manual Edgewater Networks, Inc. "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language.
  • Page 50 4200 User Manual Edgewater Networks, Inc. permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you;...
  • Page 51 4200 User Manual Edgewater Networks, Inc. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License.
  • Page 52 4200 User Manual Edgewater Networks, Inc. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation.
  • Page 53 4200 User Manual Edgewater Networks, Inc. DES, etc., code; not just the SSL code. The SSL documentation included with this distribution is covered by the same copyright terms except that the holder is Tim Hudson (tjh@cryptsoft.com). * Copyright remains Eric Young's, and as such any Copyright notices in the code are not to be removed.

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