Observer 12.x Support Documents
Download the latest shipping version of Observer 12.x.
Manuals (Download in PDF format)
Software Manuals: Observer 12 Manual Observer 12 Quickstart Guide Advanced Probe Manual Hardware Manuals: GigaStor Gigabit Observer Probe Kit Gigabit Observer Rack-mount Probe Gigabit Observer Suite System (GOSS) WAN Observer Probe Kit WAN Observer Rack-mount Probe WAN Observer Suite System (WOSS)
10/100 Full Duplex Probe Quick Start Guide Optical TAP Installation Guide
General
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Upgrading or Updating a Network Instruments Product (all products)
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Updating Observer within a major version number
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”My license numbers do not work” - Problems licensing your product
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How to subscribe to the Observer mailing list
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A Brief Explanation Of Ethernet Errors Tracked By Observer
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Observer’s Use of Exploratory Packets - Observer broadcasting LLC packets
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How do I set up real-time decoding of LAN traffic?
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Writing Custom Decodes to Work with Observer
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Enabling SNMP CPU and Memory Usage Stats on Windows Servers
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Observer’s Support for Multiple Concurrent Packet Captures
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Network Trending & Internet Trending Disk Usage
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Backing up Observer Files When Moving Observer to a New System
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VLAN Statistics
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Using Discover Network Names on a Layer 3 Switch that utilizes VLANS
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Observer Shared-key encryption vs. Standard Data Encryption
Installation Notes
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Error Copying File registry.dll, NiHash.dll, and NiResolve.dll during upgrade or reinstall
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Installing the Network Instruments Network Card Driver on Windows XP
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Custom Driver Installation for Atheros-based 802.11a/b Combo Cards
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No Adapters Available on the "Select Network Adapter" list.
Suggested Network Card(s)
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Suggested PCMCIA (Laptop) Ethernet and Token Ring Adapters
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Suggested PCI (Desktop) Ethernet, Token Ring and FDDI Adapters
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Suggested PCI and PCMCIA 802.11a/b/g Wireless Adapters
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General Notes on NDIS drivers and tracking Ethernet Errors
Supported Switches/Switch Issues
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Supported Switches
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Configuring Cisco 6000 switches using a SPAN port to a Network Instruments Full-Duplex Gigabit Product
Specific Network Card Notes
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Installing the CNet PCMCIA adapter with the Network Instruments Drivers
Probe Notes
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Probe TCP port number usage notes
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Configuring the Windows XP SP2 Security Center Firewall to Allow Observer Probes and Consoles to Communicate
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Probe Redirection Error - Unable to connect remote probes to Observer console
Observer Errors/System Problems
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General Observer troubleshooting
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Network adapter card does not support promiscuous mode?
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Problems with PCMCIA adapters?
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Failed in OPEN_ADAPTER_4 error
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OT5050R.DLL and/or MFC42.DLL missing export error
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Error: LOAD DRIVER: Could not open VMONxx.SYS service
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Problems with Observer on NT and Citrix Winframe Beta 2
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Problems with built-in Compaq 10/100 NICs
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Using the DEC 21140 Chip Set with NT and the NI Drivers - DOES NOT WORK!
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Error: unable to create trap receive socket trigger ctrl19
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Integrated Intel Pro 1000 Adapters Report All Sent Packets With Bad TCP Checksum
Wireless Support Issues
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Cisco's Use of EAP/LEAP in Wireless Communications
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Can not see wireless Observer modes
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How Observer Converts Wireless Decibels to Signal Strength