SNMPWALK Command for v3

It is very difficult to use SNMPWALK command with version 3. There are many combinations can be used in SNMP v3 so need to use proper syntax for version 3. Here, you can find useful information.

#Command options arguments

Command: snmpwalk/snmpget

Options:

There multiple options available but depending our requirements, select the suitable options to get proper output.:

-v3: SNMP v3

As we know that, snmp v3 uses username and password, consider below options:

-u Username
-A Passpharse

Next Option is used for security level:

-l Level of security

Available security level:

• No Auth No Priv

• Auth No Priv

• Auth with Priv

After that Security Name, we can use “-a” to select Security method:

-a security method {md5,sha}

Below 2 options are used when it is configured in device:

-x: Algorithm used (aes,…)
-X: Private Passphrase

Argument: Argument should be IP address of the targeted device and MIB value or System OID.

Here is the example of SNMP v3:

snmpwalk -v3 -l (noAuthNoPriv|authNoPriv|authPriv) -u (username) [-a (MD5|SHA)] [-A (authphrase)] [-x DES] [-X (privaphrase)] (ipaddress)[:(dest_port)] [oid]
snmpwalk -v3 -u snappimon -A ‘$nmP$tr!nGm0n!’ -l authNoPriv -a MD5 172.16.1.1 1.3.6.1.2.1.2