16 ContentsCommunities . . . . . . . . . . . . . . . . . . . 311Notification Filter . . . . . . . . . . . . . . . . . 313Notification Recipients . . . . . . . . . . . . . . 314Trap Flags . . . . . . . . . . . . . . . . . . . . . 317OSPFv2 Trap Flags . . . . . . . . . . . . . . . . 318OSPFv3 Trap Flags . . . . . . . . . . . . . . . . 319Trap Log . . . . . . . . . . . . . . . . . . . . . . 320Configuring SNMP (CLI) . . . . . . . . . . . . . . . . 321Configuring the SNMPv3 Engine ID. . . . . . . . 321Configuring SNMP Views, Groups, andUsers . . . . . . . . . . . . . . . . . . . . . . . 322Configuring Communities . . . . . . . . . . . . . 325Configuring SNMP Notifications (Traps andInforms). . . . . . . . . . . . . . . . . . . . . . 327SNMP Configuration Examples . . . . . . . . . . . . 330Configuring SNMPv1 and SNMPv2 . . . . . . . . 330Configuring SNMPv3 . . . . . . . . . . . . . . . 33113 Managing Images and Files . . . . . . . . . . 335Image and File Management Overview . . . . . . . . 335What Files Can Be Managed? . . . . . . . . . . 335Why Is File Management Needed? . . . . . . . . 337What Methods Are Supported for FileManagement?. . . . . . . . . . . . . . . . . . . 339What Factors Should Be Considered WhenManaging Files?. . . . . . . . . . . . . . . . . . 339How Is the Running Configuration Saved? . . . . 341Managing Images and Files (Web) . . . . . . . . . . 342File System . . . . . . . . . . . . . . . . . . . . 342Active Images . . . . . . . . . . . . . . . . . . . 343File Download . . . . . . . . . . . . . . . . . . . 344