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Error detection in Red Alert

Common Error Types

Each time Keynote Red Alert attempts to access a monitored Internet device, it checks for some or all of the following error conditions:

  • Error Type 1: Device inaccessible
  • Error Type 2: Device not accepting TCP connections
  • Error Type 3: No data received within 30 seconds of request, or connection dropped
  • Error Type 4: Keyword not found in first 28K, or data transmission stopped for 30 seconds
  • Error Type 5: Server returning HTTP error
  • Error Type 6: Device and gateway router both inaccessible
  • Error Type 7: File size error
  • Device Status Code Series 500: Intermediate Network Problem
    • Error Type 501: Local Network Unreachable; Intermediate Network Problem
    • Error Type 502: Device Unreachable; Intermediate Network Problem
  • Device Status Code Series 600: Local Network Problem
    • Error Type 601: Local Network Unreachable; Intermediate Network OK
  • Device Status Code Series 700: Indeterminate Server / Local Network Problem
    • Error Type 701: Device did not Respond; Intermediate Network OK
  • Device Status Code Series 800: Web Server Error
    • Error Type 800: Device not accepting TCP connections
    • Error Type 801: Device not accepting TCP connections
    • Error Type 802: Device not accepting TCP connections
    • Error Type 804: Keyword not found in first 28K, or data transmission stopped for 30 seconds
    • Error Type 805: Server returning HTTP error
    • Error Type 807: File size error
    • Error Type 820: Transaction Failed
    • Error Type 821: Duration Threshold Exceeded

Some of these error checks do not apply to some types of devices, and others are not performed unless you have activated certain enhanced services.

Error Notifications

Keynote Red Alert sends error notifications immediately after detecting an error condition. Notifications can be sent to you anytime, anywhere via the following devices:

E-mail
When Keynote Red Alert detects an error condition, it can send notifications to any e-mail addresses you specify. Any number of addresses can be used. Different addresses can be configured to receive notifications about different error types and different monitored devices.

Links on your Account Summary page enable you to add, delete, and edit e-mail addresses at any time.

Numeric pager
When Keynote Red Alert detects an error condition, it can send a notification to your North American numeric pager. (Notifications can also be sent to North American alphanumeric pagers and to pagers outside North America.) Links on your Account Summary page enable you to add, delete, and edit numeric pagers at any time.

Notification messages to numeric pagers consist of 10 digits:

Digit:

  1st

  2nd

 3rd

  4th

  5th

  6th

  7th

  8th

  9th

  10th

Meaning:

  Error
  type*

  Always   zero*

  Third field of IP   address

  Always  zero

  Fourth field

For example, the message 2001880255 indicates that Error Type 2 has been detected for a device with IP address xxx.xxx.188.255.

*A message whose first three digits are 999 indicates that the device is OK again (i.e. the error has been fixed). For example, the message 9991880255 means that a device with IP address xxx.xxx.188.255 is no longer experiencing an error condition.

Alphanumeric pager
When Red Alert detects an error condition, it can send a notification to your North American alphanumeric pager. (Notifications can also be sent to North American numeric pagers and to pagers outside North America.)

You may have any number of alphanumeric pagers configured to receive error notifications. Keynote Red Alert works with all North American alphanumeric pagers with industry standard TAP / IXO dialup modem numbers (this applies to almost everyone).

Pagers outside North America
Please contact us at +1 (972) 578-7400 or sales@redalert.com to arrange for error notifications to paging systems outside North America. Our paging dispatch center interacts very cost effectively with most text paging/messaging systems in Europe, Asia-Pacific and Latin America.

Mobile phone with text
Alphanumeric notifications can be sent to text-enabled cellular phones via both e-mail address and TAP/IXO protocol.

Error Logs

All errors detected by Keynote Red Alert for a particular device are recorded in a seven-day rolling Error Log. You may access this log at any time by clicking on the "Error Log" link in the device's entry on your Account Summary page. This log includes the nature of the error, who was notified, and when the problem was resolved.

Daily Monitoring Summaries

At the end of each day, Keynote Red Alert sends out monitoring summaries via e-mail, showing the number of checks performed and number of errors detected for the devices monitored. Each e-mail address on your Account Summary page shows whether it is currently configured to receive daily reports.


Whether you maintain your Web site in-house or outsource it, your company—and your career—depend on its robust performance. Get your FREE 30-day trial of Keynote Red Alert monitoring service now!

 

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