# Prerequisites

The prerequisites for working with each tool set of ManageEngine OpUtils are listed below.

## Diagnostic Tools

| Tool | Is SNMP needed? | Required MIBs |
|---|---|---|
| Ping | No | None |
| Ping Scan | No | None |
| SNMP Ping | YES | RFC1213-MIB |
| SNMP Scan | YES | RFC1213-MIB |
| Proxy Ping | YES | **CICSO-PING-MIB |
| Trace Route | No | None |

## Address Monitoring Tools

| Tool | Is SNMP needed? | Required MIBs |
|---|---|---|
| DNS Resolver | No | None |
| DNS Scan | No | None |
| MAC IP List | No | None |
| MAC Address Resolver | YES | RFC1213-MIB |
| MAC Address Scan | YES | RFC1213-MIB |
| Subnet List | YES | RFC1213-MIB |
| IP Address Manager | YES | RFC1213-MIB |
| DHCP Scope Monitor | YES | RFC1213-MIB, DHCP-MIB, MSFT-MIB |
| Rogue Detection | No | None |

## Server Monitoring Tools

| Tool | Is SNMP needed? | Required MIBs |
|---|---|---|
| System Snapshot | YES | RFC1213-MIB<br>HOST-RESOURCE-MIB |
| Disk Space Monitor | YES | RFC1213-MIB<br>HOST-RESOURCE-MIB |
| CPU Monitor | YES | RFC1213-MIB<br>HOST-RESOURCE-MIB |
| Process Scan | YES | RFC1213-MIB<br>HOST-RESOURCE-MIB |
| Software Scan | YES | RFC1213-MIB<br>HOST-RESOURCE-MIB |
| IP Node Browser | YES | RFC1213-MIB<br>HOST-RESOURCE-MIB |
| TCP Reset | YES |  |

## Network Monitoring Tools

| Tool | Is SNMP needed? | Required MIBs |
|---|---|---|
| Bandwidth Monitor | YES | RFC1213-MIB |
| Switch Port Mapper | YES | RFC1213-MIB<br>BRIDGE-MIB** |
| Performance Monitor | YES | RFC1213-MIB |
| Network Scan | No | None |
| Network Monitor | No | None |
| IP Network Browser | YES | RFC1213-MIB<br>HOST-RESOURCE-MIB |
| Wake-On-LAN | No | None |
| Port Scanner | No | None |
| System Details Update | YES | RFC1213-MIB |
| System Explorer | YES | RFC1213-MIB<br>HOST-RESOURCE-MIB |
| TCP Reset | YES | RFC1213-MIB |

## CISCO Tools

| Tool | Is SNMP needed? | Platform Series | Required MIBs |
|---|---|---|---|
| Config File Manager | YES | CISCO2500 series and above | RFC1213-MIB<br>OLD-CISCO-SYS-MIB<br>CISCO-CONFIG-COPY-MIB |
| TFTP Server | NO | NA | NA |
| Device Scan | YES | CISCO2500 series and above | RFC1213-MIB |
| Device Explorer | YES | CISCO2500 series and above | RFC1213-MIB<br>OLD-CISCO-INTERFACES-MIB |

## SNMP Tools

| Tool | Is SNMP needed? |
|---|---|
| MIB Viewer | No |
| SNMP Walker | YES |
| SNMP Graph | YES |
| Trap Receiver | NA |
| MIB Browser | YES |
| Community Checker | YES |
| SNMP Table | YES |

**Note:**

- For details on installing SNMP on different OS read the [Installing SNMP](https://www.manageengine.com/products/oputils/help/snmpinstallation/snmp_installation_intro.html) section.
- For enabling SNMP in a CISCO Router read the [Configuring Simple Network Management Protocol](http://www.cisco.com/c/en/us/products/hw/tsd_products_support_end-of-sale_and_end-of-life_products_list.html) (CISCO Documentation) section.