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• Ports used by Network Instruments products

Observer

See also the list in Probes & GigaStor below.

• VLAN Statistics tool is not working
• Daylight Savings Time
• Why am I missing packets?
• No network adapter available
• NetFlow, TAPs and Observer
• Observer can't connect to a probe
• "Probe redirection Error" message
• "Probe authentication failed" error
• Discover Network Names on a Layer 3 switch sees only a limited number of MAC addresses
• Suspected NAT or VPN issues

Probes & GigaStor

See also the list in Observer above.

Probes & GigaStor

• Common probe issues
• Troubleshooting a slow probe
• "No VLAN" in VLAN Statistics or no 802.1Q tags in your decode
• The probe isn't connecting to Observer
• Configuring Cisco 6xxx switches using a SPAN port to a full-duplex Gigabit probe
• Integrated Intel Pro 1000 adapters report all sent packets with bad TCP checksum

GigaStor only

• A RAID array drive is failing or has failed
• Maintaining the RAID array
• Can't access the GigaStor Control Panel
• TCP applications are not appearing in the GigaStor Control Panel
• GigaStor is full or does not have the history you expect
• Loading decodes in the Observer analyzer is slow

Observer Infrastructure

• Using the polling feature
• Integrating OI with Observer
• Integrating OI with ORS
• Monitoring a latency-sensitive or distributed application
• Viewing reports in a web browser

nTAPs

• Not seeing traffic at the analyzer from the TAP
• Choosing crossover or straight-through cables
• I am seeing CRC errors on my network
• VLAN tags are not visible at the analyzer