User ManualTable of ContentsNortel VPN Router Troubleshooting1Contents5Figures13Tables15Preface17Before you begin17Text conventions17Acronyms19Related publications21Hard-copy technical manuals22How to get help22Finding the latest updates on the Nortel Web site22Getting help from the Nortel Web site23Getting help over the phone from a Nortel Solutions Center23Getting help from a specialist by using an Express Routing Code23Getting help through a Nortel distributor or reseller24New in this release25Features25SNMP traps when an IP address pool reaches the configured threshold25Automatic backups26PCAP enhancements26SNMP interface index enhancement26Chapter 1: VPN Router administration27Administrator settings27Lost user name and password-resetting the VPN Router to factory defaults28Dynamic password29Tools29System configuration30File management30Simple Network Management Protocol (SNMP)31Configuring SNMP traps to send notification when an IP address pool reaches the configured threshold32Chapter 2: Status and logging35Sessions36Reports36System37Health check37Statistics37Accounting38Accounting records38RADIUS accounting39Data collection task39Logs41Event log41System log45Security log45Configuration log46Chapter 3: Administrative tasks47Shutdown47Recovery48Accessing the diskette drive48Using the recovery diskette48Automatic backups52Using the GUI for automatic backup53Transferring backup files through SFTP53Triggering a backup when a file or directory changes53Using the CLI for automatic backup57Backing up specific files and directories58Stopping the backup of specific files and directories58Backing up changes to specific files or directories58Stopping the backup of changes to specific files or directories59Using SFTP to transfer backup files59Stopping the transfer of backup files using SFTP59Disabling new logins60Upgrading the software60Checking available disk space61Creating a control tunnel to upgrade from a remote location62Creating a recovery diskette63Backing up system files63Retrieving the new software64Before completing the upgrade66Applying the software67After you upgrade the software67Chapter 4: Troubleshooting69Troubleshooting tools70Client-based tools70System-based tools71Other tools71Solving connectivity problems72Diagnosing client connectivity problems72Common client connectivity problems73Problems with name resolution using DNS services76Network browsing problems77Diagnosing WAN link problems79Hardware encryption accelerator connectivity82Solving performance problems82Eliminating modem errors82Performance tips for configuring Microsoft networking82Additional information91Solving general problems92Web browser problems and the VPN Client Manager92Enabling Web browser options93Web browser error messages94Reporting a problem with a Web browser96System problems96Solving routing problems98Client address redistribution problems98Solving firewall problems99Chapter 5: Packet capture103PCAP features104Security features105File format105Capture types106Physical interface captures106Tunnel captures106Global IP captures107Filters and triggers108Capture filters108Triggers108Saving captured data109Memory considerations109Performance considerations110Enabling packet capture on a VPN Router111Capturing packets to disk file113Setting the PCAP file path113Setting the size of the RAM buffer114Setting the size of a disk capture file114Setting the maximum number of disk capture files114Saving captured data115Configuring and running packet capture objects115Creating a capture object115Starting, stopping, and saving capture objects119Using the show capture command to display capture status119Sample packet capture configurations121Interface capture object using a filter and direction121Interface capture object using triggers122Tunnel capture object using a remote IP address124Viewing a packet capture output file on a PC125Installing Ethereal software125Saving, downloading, and viewing PCAP files126Viewing a PCAP file with Sniffer Pro127Deleting capture objects and disabling packet capture128Appendix A: MIB support131SNMP RFC support131Novell IPX MIB131Novell RIP-SAP MIB131RFC 1850-OSPF Version 2 Management Information Base131RFC 1724-RIP Version 2 MIB Extension132RFC 1213-Network Management of TCP/IP-Based Internets MIB132RFC 2667-IP Tunnel MIB132RFC 2787-VRRP MIB133RFC 2737-Entity MIB133RFC 1573-IanaIfType MIB134RFC 2233-If MIB134RFC 2571-Snmp-Framework MIB134RFC2790-Host Resources MIB134RFC2495-DS1 MIB135RFC2863 Interface MIB (64 bit counters support)136VPN Router MIB136cestraps.mib-Nortel proprietary MIB137newoak.mib139Hardware-related traps140Server-related traps144Software-related traps146Login-related traps146Intrusion-related traps147System-related traps147Information passed with every trap148Appendix B: Using serial PPP165Establishing a serial PPP connection165Setting up a Dial-Up Networking connection166Setting up the modem167Setting up the VPN Router167Dialing in to the VPN Router169Troubleshooting Serial PPP169PPP option settings171Appendix C: System messages173Certificate messages173ISAKMP messages175Branch office messages178SSL messages179Database messages180Security messages181RADIUS accounting messages191RADIUS authentication messages194Routing messages198Hardware messages204Appendix D: Configuring for interoperability207Configuring the Cisco 2514 router, Version 11.3207Configuring the VPN Router for Cisco interoperability210Configuring the SafeNet/Soft-PK Security Policy Database Editor, Version 1.0s211Connecting to IRE SafeNET/Soft-PK Security Policy Client212Configuring the VPN Router for IRE interoperability215Third-party client installation216Considerations for using third-party clients217Configuring the VPN Router as a branch office tunnel219Configuring the VPN Router as a user tunnel220Configuring IPX222IPX client223Windows 95 and Windows 98224Windows NT224IPX group configuration224Sample IPX VPN Router topology224Index227Size: 1.26 MBPages: 230Language: EnglishOpen manual