snmpwalk

snmpwalk -v 2c -c public underpass.htb
snmpwalk -v 2c -c public 10.129.42.253 1.3.6.1.2.1.1.5.0
snmpwalk -v 2c -c private  10.129.42.253 

version 1

snmpwalk -v1 -c public 10.10.1.22

version 2c

snmpwalk -v2c -c public 10.10.1.22

Flags

Option Description Default / Notes
-q Quiet mode (suppress header; print variable values only)
-r:host Name or network address (IPv4/IPv6) of remote host
-p:port SNMP port number on remote host 161
-t:timeout SNMP timeout in seconds (1–600) 5
-v:version SNMP version 1 (supports 1, 2c, 3)
-c:community SNMP Community Strings for SNMP v1/v2c public
-ei:engine_id Engine ID (hexadecimal string, SNMPv3)
-sn:sec_name SNMP security name (SNMPv3)
-ap:auth_proto Authentication protocol (MD5, SHA, SNMPv3)
-aw:auth_passwd Authentication password (SNMPv3)
-pp:priv_proto Privacy protocol: DES, IDEA, AES128, AES192, AES256, 3DES (SNMPv3)
-pw:priv_passwd Privacy password (SNMPv3)
-cn:cont_name Context name (SNMPv3)
-ce:cont_engine Context engine (hexadecimal string, SNMPv3)
-os:start_oid OID of first SNMP variable to walk .1
-op:stop_oid OID of last SNMP variable to walk Walk to last variable
-csv Output in CSV format