Small program to show MIB file OIDs in a list.
Usage:
$ python3 mib-browser.py --help
usage: mib-browser.py [-h] [-a paths] [-n] mibname
positional arguments:
mibname The name of the MIB to be shown
optional arguments:
-h, --help show this help message and exit
-a path(s), --add path(s)
Add given path(s) (comma-separated) to MIB search list
-n, --no-default Do not use the default MIB search path
Example:
$ python3 mib-browser.py IPV6-MIB
.1 = (root)::iso
.1.3 = SNMPv2-SMI::org
.1.3.6 = SNMPv2-SMI::dod
.1.3.6.1 = SNMPv2-SMI::internet
.1.3.6.1.1 = SNMPv2-SMI::directory
.1.3.6.1.2 = SNMPv2-SMI::mgmt
.1.3.6.1.2.1 = SNMPv2-SMI::mib-2
.1.3.6.1.2.1.10 = SNMPv2-SMI::transmission
.1.3.6.1.2.1.55 = IPV6-MIB::ipv6MIB
.1.3.6.1.2.1.55.1 = IPV6-MIB::ipv6MIBObjects
.1.3.6.1.2.1.55.1.1 = IPV6-MIB::ipv6Forwarding
.1.3.6.1.2.1.55.1.2 = IPV6-MIB::ipv6DefaultHopLimit
.1.3.6.1.2.1.55.1.3 = IPV6-MIB::ipv6Interfaces
.1.3.6.1.2.1.55.1.4 = IPV6-MIB::ipv6IfTableLastChange
.1.3.6.1.2.1.55.1.5 = IPV6-MIB::ipv6IfTable
...
It tries to load all the necessary MIBs (based on the IMPORTS statements
in the MIBs) to show the full tree to the MIB requested in the command line.
By default the MIB files are read from /var/lib/snmp/mibs (and its subdirectories). You
can use the -a (--add) argument to add comma-separated list of other directories
(and their subdirectories!) to the search path, and use -n argument to skip the
default path altogether.
Note that the file parser actually reads all the files in the given (sub)directories to find the MIB files, so don't try it with a root directory or something else with many unnecessary or large files.
Example where the vendor-specific MIBs are found in a separate directory:
$ ls /home/markku/mibs
CISCO-BGP4-MIB.my CISCO-SMI.my
$ python3 mib-browser.py CISCO-BGP4-MIB
MIB 'CISCO-BGP4-MIB' not found
.1 = (root)::iso
$ python3 mib-browser.py CISCO-BGP4-MIB -a /home/markku/mibs
.1 = (root)::iso
.1.3 = SNMPv2-SMI::org
.1.3.6 = SNMPv2-SMI::dod
.1.3.6.1 = SNMPv2-SMI::internet
...
.1.3.6.1.4.1.9.9.187 = CISCO-BGP4-MIB::ciscoBgp4MIB
.1.3.6.1.4.1.9.9.187.0 = CISCO-BGP4-MIB::ciscoBgp4NotifyPrefix
.1.3.6.1.4.1.9.9.187.0.1 = CISCO-BGP4-MIB::cbgpFsmStateChange
.1.3.6.1.4.1.9.9.187.0.2 = CISCO-BGP4-MIB::cbgpBackwardTransition
.1.3.6.1.4.1.9.9.187.0.3 = CISCO-BGP4-MIB::cbgpPrefixThresholdExceeded
.1.3.6.1.4.1.9.9.187.0.4 = CISCO-BGP4-MIB::cbgpPrefixThresholdClear
...
Errors will be output if all the necessary MIBs cannot be loaded, for example
(the default search path is here disabled with -n):
$ python3 mib-browser.py CISCO-BGP4-MIB -n -a /home/markku/mibs
MIB 'SNMPv2-SMI' not found
MIB 'SNMPv2-CONF' not found
MIB 'SNMPv2-TC' not found
MIB 'INET-ADDRESS-MIB' not found
MIB 'SNMP-FRAMEWORK-MIB' not found
MIB 'BGP4-MIB' not found
Missing input: MIB file for SNMPv2-SMI is needed for resolving "cisco = { enterprises 9 }" (and others in the same tree)
.1 = (root)::iso
Note that the MIB file parsing is not done in any structural way but just by trial and error, so unexpected file syntax will cause problems in parsing.