Enabling SNMP in Cisco Routers / Switches


This article will guide your through the steps to enable SNMP in Cisco Routers and Switches


  1. Telnet to the router/switch

    prompt#telnet testrouter
  2. Go to the enable mode by specifying the password:

  3. Go into configuration mode:

    Router#configure terminal
    Enter configuration commands, one per line. End
    with CNTL/Z.
  4. Use the command below to add a Read-Only community string:

    Router(config)#snmp-server community public RO
    where "public" is the Read-only community string.
  5. To add a Read-Write Community string, use the command below:

    Router(config)#snmp-server community private RW
    where "private" is the Read-write community string.
  6. Exit the configuration mode and save the settings:

    Router#write memory
    Building configuration...

Instantly enable SNMP and perform other network operations using Configlets in Network Configuration Manager.
Learn more

To enable SNMP traps, follow the steps below in the Configuration mode of the Router/Switch:

First, set the host to which the traps have to be sent using the folowing command:
snmp-server host <IP Address> version <v1 or 2c> <RO community string>
<IP Address> refers to the IP Address of the device to which the traps have to be sent
<v1 or 2c> refers to the SNMP version
<RO community string> refers to the Read-Only community string
Then, enable SNMP Traps using the command below:
snmp-server enable traps [notification-type] [notification-option]
Ex: snmp-server enable traps config [this will send all configurationnotifications as traps]