SMIC (SNMP Management Information Compiler)

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SMIC(SNMP Management Information Compiler)

• J. Won-Ki Hong
• Dept. of Computer Science and Engineering
• POSTECH
• Tel [phone]
• Email jwkhong_at_postech.ac.kr

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What is SMIC?

• Compiler for SNMP MIBs
• developed by David T. Perkins
• SMIC classic in 1992
• SMIC next generation (SMICng) in 1996
• Supported on MS-DOS, Windows95, NT, AIX, HP-UX,
  Linux, Solaris platforms
• freely available
• reduced functionality version (book version)
• full-function version (pro version)
• http//www.snmpinfo.com/sismic.htm

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Features of SMIC

• parses MIBs written in the syntax defined
• by SNMPv1 SMI, concise MIB, trap format
  documents,
• by SNMPv2 SMI, SNMPv2 Textual Conventions and
  SNMPv2 conformance documents
• checks
• the validity of IMPORTS clauses
• MIB syntax
• MIB consistency
• outputs
• Error/Warning Messages
• Dump outputs
• MOSY (MIB compiler for ISO Development
  Environment) or SNMPv1 MIBs
• Intermediate format (for backend utilities)

SMICng is NOT a general purpose ASN.1 compiler
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SMICng package includes

• smicng MIB compiler
• mstrip MIB stripper (extracts MIB definitions)
• mib2html converts a MIB into HTML
• smicbmi creates a MIB include file
• smicewd displays the lines from each MIB
  specified in error and warning messages from SMIC
• smicmfm adds an entry in file smicmif.ini
• Also included are standard MIBs, RFCs, include
  files

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Using SMICng

• 1. Select and prepare the MIBs to be compiled
• 2. Set the path environment variable
• e.g., set path ( /sl/projects/cords/NetMan/sm
  ic2/bin path )
• 3. Set the environement variable SMICINCL to
  indicate the directory containing MIB definitions
• e.g., setenv SMICINCL /sl/projects/cords/NetMan
  /smic2/mibs
• 4. Set the environment variable SMICOPTS to
  specify the default options
• e.g., setenv SMICOPTS -CH
• 5. Create a MIB include file (using smicbmi)
• 6. Run SMICng and correct errors (if any) in the
  MIB
• 7. Generate output(s)

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MIB Include File

• MIB include files are required to run SMICng
• MIB include files can be generated by smicbmi
• smicbmi ltoptionsgt ltmibfilegt
• e.g., smicbmi xxx.mib generates xxx.inc file
• include file has some directives
• condInclude
• pushOpt, popOpt
• removeOpt, addOpt (insert addOpt M)
• condExcludeModule

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Run SMICng Create HTML

• smicng -Z -F ltintermediate filegt ltinclude filegt
• -Z creates intermediate data outputs it to
  stdout
• -F saves the output into a file
• other options
• Help Options
• Dump Options (not available in book version)
• Miscellaneous Options
• Checking Options
• mib2html ltintermediate filegt
• index.html, module.html, module_.html are created