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Manual Chapter: Configuration Guide for the BIG-IP® Link Controller: Disabled Tcl Commands
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Disabled Tcl Commands


Disabled Tcl commands

When you use the iRulesTM feature of a Link Controller 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 Link Controller. You should therefore avoid using these commands when writing iRules.

The Tcl commands that are disabled on an Link Controller 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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