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SNMP mib tips: snmpwalk & snmptranslate

Referring to this web site: https://gist.github.com/bahootyper/575190

The following explanations are about snmpwalk & snmptranslate command options.

#Displayes every OID
$ snmptranslate -Tp

#Dispaly OID label(MIB name) from OID
$ snmptranslate .1.3.6.1.4.1.14823.2.2.1.1.2.1.1.2
WLSX-SWITCH-MIB::userPhyAddress

#Dispaly MIB tree name from OID label
#-IR: label,  -Tp: tree option
$ snmptranslate -IR -Tp nUser6Name
+-- -R-- String    nUser6Name(3)
         Textual Convention: DisplayString
         Size: 0..128

#Dispaly MIB tree name from OID label
#-IR: label,  -Tp: tree option
$ snmptranslate -Tp .1.3.6.1.4.1.14823.2.2.1.14.1.2.1.3
+-- -R-- String    nUser6Name(3)
         Textual Convention: DisplayString
         Size: 0..128

# OID's detailed option
$ snmptranslate -Td .1.3.6.1.4.1.14823.2.2.1.14.1.2.1.3
WLSX-USER6-MIB::nUser6Name
nUser6Name OBJECT-TYPE
  -- FROM WLSX-USER6-MIB
  -- TEXTUAL CONVENTION DisplayString
  SYNTAX OCTET STRING (0..128)
  DISPLAY-HINT "255a"
  MAX-ACCESS read-only
  STATUS current
  DESCRIPTION "
Name of the User.
            "
::= { iso(1) org(3) dod(6) internet(1) private(4) enterprises(1) aruba(14823) arubaEnterpriseMibModules(2) switch(2) wlsxEnterpriseMibModules(1) wlsxUser6MIB(14) wlsxUser6AllInfoGroup(1) wlsxUser6Table(2) wlsxUser6Entry(1) 3 }

 # OID's detailed optionSome OIDs are not supported when showing "not-accessible" in detailed option.
$ snmptranslate -Td .1.3.6.1.4.1.14823.2.2.1.14.1.2.1.2
WLSX-USER6-MIB::nUser6IpAddress
nUser6IpAddress OBJECT-TYPE
  -- FROM WLSX-USER6-MIB
  -- TEXTUAL CONVENTION DisplayString
  SYNTAX OCTET STRING (0..128)
  DISPLAY-HINT "255a"
  MAX-ACCESS not-accessible         <<<<   Be careful of not-implemented OID. not-accessible means it is not supported!
  STATUS current
  DESCRIPTION "
IPv6 Address of the user.
            "
::= { iso(1) org(3) dod(6) internet(1) private(4) enterprises(1) aruba(14823) arubaEnterpriseMibModules(2) switch(2) wlsxEnterpriseMibModules(1) wlsxUser6MIB(14) wlsxUser6AllInfoGroup(1) wlsxUser6Table(2) wlsxUser6Entry(1) 2 }

# MIB tree example
$ snmptranslate -Tp .1.3.6.1.4.1.14823.2.2.1.14.1.2.1
+--wlsxUser6Entry(1)
   |  Index: nUser6PhyAddress, nUser6IpAddress
   |
   +-- ---- String    nUser6PhyAddress(1)
   |        Textual Convention: MacAddress
   |        Size: 6
   +-- ---- String    nUser6IpAddress(2)
   |        Textual Convention: DisplayString
   |        Size: 0..128
   +-- -R-- String    nUser6Name(3)
   |        Textual Convention: DisplayString
   |        Size: 0..128
   +-- -R-- String    nUser6Role(4)
   |        Textual Convention: DisplayString
   |        Size: 0..64
   +-- -R-- TimeTicks nUser6UpTime(5)
   +-- -R-- EnumVal   nUser6AuthenticationMethod(6)
   |        Textual Convention: ArubaAuthenticationMethods
   |        Values: none(0), web(1), mac(2), vpn(3), dot1x(4), kerberos(5), secureId(7), pubcookie(15), xSec(16), xSecMachine(17), via-vpn(28), other(255)
   +-- -R-- EnumVal   nUser6SubAuthenticationMethod(7)
   |        Textual Convention: ArubaSubAuthenticationMethods
   |        Values: authPAP(1), authCHAP(2), authMSCHAP(3), authMSCHAPv2(4), eapTLS(5), eapTTLS(6), eapLEAP(7), eapMD5(8), eapPEAP(9)
   +-- -R-- String    nUser6AuthServerName(8)
   |        Textual Convention: DisplayString
   |        Size: 0..32

# snmptranslate options
USAGE: snmptranslate [OPTIONS] OID [OID]...

  Version:  5.6
  Web:      http://www.net-snmp.org/
  Email:    net-snmp-coders@lists.sourceforge.net

OPTIONS:
  -h display this help message
  -V display package version number
  -m MIB[:...] load given list of MIBs (ALL loads everything)
  -M DIR[:...] look in given list of directories for MIBs
  -D[TOKEN[,...]] turn on debugging output for the specified TOKENs
  (ALL gives extremely verbose debugging output)
  -w WIDTH set width of tree and detail output
  -T TRANSOPTS Set various options controlling report produced:
 B:  print all matching objects for a regex search
 d:  print full details of the given OID
 p:  print tree format symbol table
 a:  print ASCII format symbol table
 l:  enable labeled OID report
 o:  enable OID report
 s:  enable dotted symbolic report
 z:  enable MIB child OID report
 t:  enable alternate format symbolic suffix report
  -P MIBOPTS Toggle various defaults controlling mib parsing:
 u:  allow the use of underlines in MIB symbols
 c:  disallow the use of "--" to terminate comments
 d:  save the DESCRIPTIONs of the MIB objects
 e:  disable errors when MIB symbols conflict
 w:  enable warnings when MIB symbols conflict
 W:  enable detailed warnings when MIB symbols conflict
 R:  replace MIB symbols from latest module
  -O OUTOPTS Toggle various defaults controlling output display:
 0:  print leading 0 for single-digit hex characters
 a:  print all strings in ascii format
 b:  do not break OID indexes down
 e:  print enums numerically
 E:  escape quotes in string indices
 f:  print full OIDs on output
 n:  print OIDs numerically
 q:  quick print for easier parsing
 Q:  quick print with equal-signs
 s:  print only last symbolic element of OID
 S:  print MIB module-id plus last element
 t:  print timeticks unparsed as numeric integers
 T:  print human-readable text along with hex strings
 u:  print OIDs using UCD-style prefix suppression
 U:  don't print units
 v:  print values only (not OID = value)
 x:  print all strings in hex format
 X:  extended index format
  -I INOPTS Toggle various defaults controlling input parsing:
 b:  do best/regex matching to find a MIB node
 h:  don't apply DISPLAY-HINTs
 r:  do not check values for range/type legality
 R:  do random access to OID labels
 u:  top-level OIDs must have '.' prefix (UCD-style)
 s SUFFIX:  Append all textual OIDs with SUFFIX before parsing
 S PREFIX:  Prepend all textual OIDs with PREFIX before parsing
  -L LOGOPTS Toggle various defaults controlling logging:
 e:           log to standard error
 o:           log to standard output
 n:           don't log at all
 f file:      log to the specified file
 s facility:  log to syslog (via the specified facility)

 (variants)
 [EON] pri:   log to standard error, output or /dev/null for level 'pri' and above
 [EON] p1-p2: log to standard error, output or /dev/null for levels 'p1' to 'p2'
 [FS] pri token:    log to file/syslog for level 'pri' and above
 [FS] p1-p2 token:  log to file/syslog for levels 'p1' to 'p2'



 #Displaying OID numerically without translation.
$ snmpwalk -c public -v 2c -On 10.215.1.253 .1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.0.76.90.25.148.13.49.48.46.50.49.53.46.49.48.48.46.54.51 = STRING: phone
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.0.76.90.139.74.13.49.48.46.50.49.53.46.49.48.48.46.53.50 = STRING: phone
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.0.76.90.142.56.13.49.48.46.50.49.53.46.49.48.48.46.54.49 = STRING: phone
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.0.76.90.142.184.13.49.48.46.50.49.53.46.49.48.48.46.53.52 = STRING: phone
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.22.151.130.8.149.13.49.48.46.50.49.53.46.49.48.48.46.53.56 = STRING: phone
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.22.151.130.118.172.13.49.48.46.50.49.53.46.49.48.48.46.53.49 = STRING: phone
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.36.44.32.173.107.13.49.48.46.50.49.53.46.50.53.50.46.52.53 = STRING: aruba-demo
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.136.101.64.24.192.13.49.48.46.50.49.53.46.50.53.48.46.50.53 = STRING: authenticated
.1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4.0.194.198.205.147.73.13.49.48.46.50.49.53.46.50.53.50.46.50.48 = STRING: employee

#Displaying OID with translation, however it fails to interprete hex numbers.
$ snmpwalk -c public -v 2c 10.215.1.253 .1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4
WLSX-USER6-MIB::nUser6Role.'..LZ..'."10.215.100.63" = STRING: phone
WLSX-USER6-MIB::nUser6Role.'..LZ.J'."10.215.100.52" = STRING: phone
WLSX-USER6-MIB::nUser6Role.'..LZ.8'."10.215.100.61" = STRING: phone
WLSX-USER6-MIB::nUser6Role.'..LZ.?'."10.215.100.54" = STRING: phone
WLSX-USER6-MIB::nUser6Role.'......'."10.215.100.58" = STRING: phone
WLSX-USER6-MIB::nUser6Role.'....v?'."10.215.100.51" = STRING: phone
WLSX-USER6-MIB::nUser6Role.'.$, ?k'."10.215.252.45" = STRING: aruba-demo
WLSX-USER6-MIB::nUser6Role.'(77..L'."10.215.250.31" = STRING: authenticated
WLSX-USER6-MIB::nUser6Role.',??.?0'."10.215.250.17" = STRING: authenticated

#Displaying OID with translation, however it succeeds to interprete hex numbers with -OX option.
$ snmpwalk -c public -v 2c -OX 10.215.1.253 .1.3.6.1.4.1.14823.2.2.1.14.1.2.1.4
WLSX-USER6-MIB::nUser6Role[STRING: 0:0:4c:5a:19:94][STRING: 10.215.100.63] = STRING: phone
WLSX-USER6-MIB::nUser6Role[STRING: 0:0:4c:5a:8b:4a][STRING: 10.215.100.52] = STRING: phone
WLSX-USER6-MIB::nUser6Role[STRING: 0:0:4c:5a:8e:38][STRING: 10.215.100.61] = STRING: phone
WLSX-USER6-MIB::nUser6Role[STRING: 0:0:4c:5a:8e:b8][STRING: 10.215.100.54] = STRING: phone
WLSX-USER6-MIB::nUser6Role[STRING: 0:16:97:82:8:95][STRING: 10.215.100.58] = STRING: phone
WLSX-USER6-MIB::nUser6Role[STRING: 0:16:97:82:76:ac][STRING: 10.215.100.51] = STRING: phone
WLSX-USER6-MIB::nUser6Role[STRING: 0:24:2c:20:ad:6b][STRING: 10.215.252.45] = STRING: aruba-demo
WLSX-USER6-MIB::nUser6Role[STRING: 28:37:37:1d:a:4c][STRING: 10.215.250.31] = STRING: authenticated
WLSX-USER6-MIB::nUser6Role[STRING: 2c:f0:ee:17:b4:30][STRING: 10.215.250.17] = STRING: authenticated

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