# snmpwalk > SNMP query tool. > More information: . - Query the system information of a remote host using SNMPv1 and a community string: `snmpwalk -v1 -c {{community}} {{ip}}` - Query system information on a remote host by OID using SNMPv2 on a specified port: `snmpwalk -v2c -c {{community}} {{ip}}:{{port}} {{oid}}` - Query system information on a remote host by OID using SNMPv3 and authentication without encryption: `snmpwalk -v3 -l {{authNoPriv}} -u {{username}} -a {{MD5|SHA}} -A {{passphrase}} {{ip}} {{oid}}` - Query system information on a remote host by OID using SNMPv3, authentication, and encryption: `snmpwalk -v3 -l {{authPriv}} -u {{username}} -a {{MD5|SHA}} -A {{auth_passphrase}} -x {{DES|AES}} -X {{enc_passphrase}} {{ip}} {{oid}}` - Query system information on a remote host by OID using SNMPv3 without authentication or encryption: `snmpwalk -v3 -l {{noAuthNoPriv}} -u {{username}} {{ip}} {{oid}}`