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Manual Chapter: Configuration Guide for BIG-IP® Local Traffic Management: B - Disabled Tcl Commands
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B

Disabled Tcl Commands


Disabled Tcl commands

When you use the iRulesTM feature of a BIG-IP® local traffic management (LTM) system to create scripts for managing local network traffic, you use the industry-standard Tool Command Language (Tcl). However, a subset of Tcl commands are disabled on the LTM system. You should therefore avoid using these commands when writing iRules.

The Tcl commands that are disabled on an LTM system are:

  • after
  • auto_execok
  • auto_import
  • auto_load
  • auto_mkindex
  • auto_mkindex_old
  • auto_qualify
  • auto_reset
  • bgerror
  • cd
  • close
  • eof
  • exec
  • exit
  • fblocked
  • fconfigure
  • fcopy
  • file
  • fileevent
  • filename
  • flush
  • gets
  • glob
  • http
  • interp
  • load
  • memory
  • namespace
  • open
  • package
  • pid
  • pkg::create
  • pkg_mkIndex
  • proc
  • pwd
  • rename
  • seek
  • socket
  • source
  • tcl_findLibrary
  • tell
  • unknown
  • update
  • uplevel
  • upvar
  • vwait



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