Cisco CISCO1401 Software Guide - Page 194

Configuring SNMP Chapter 16 Configuring SNMP • Read-write-Gives read and write access to authorized management stations to all objects in the MIB, but does not allow access to the community strings Using SNMP to Access MIB Variables An example of an NMS is the CiscoWorks network management software. CiscoWorks 2000 software uses the bridge MIB variables to set device variables and to poll devices on the network for specific information. The results of a poll can be displayed as a graph and analyzed to troubleshoot internetworking problems, increase network performance, verify the configuration of devices, monitor traffic loads, and more. As shown in Figure 16-1, the SNMP agent gathers data from the MIB. The agent can send traps (notification of certain events) to the SNMP manager, which receives and processes the traps. Traps are messages alerting the SNMP manager to a condition on the network such as improper user authentication, restarts, link status (up or down), MAC address tracking, and so forth. The SNMP agent also responds to MIB-related queries sent by the SNMP manager in get-request, get-next-request, and set-request format. Figure 16-1 SNMP Network NMS get-request, get-next-request, get-bulk, set-request Network device 81949 SNMP manager get-response, traps MIB SNMP agent For information on supported MIBs and how to access them, see Appendix C, "Supported MIBs." Configuring SNMP This section describes how to configure SNMP on your bridge. It contains this configuration information: • Default SNMP Configuration, page 16-5 • Enabling the SNMP Agent, page 16-5 • Configuring Community Strings, page 16-5 • Configuring Trap Managers and Enabling Traps, page 16-7 • Setting the Agent Contact and Location Information, page 16-9 • Using the snmp-server view Command, page 16-9 • SNMP Examples, page 16-9 16-4 Cisco Aironet 1400 Series Wireless Bridges Software Configuration Guide OL-4059-01