1020 BigIron RX Series Configuration Guide53-1002253-01Defining SNMP views36Displaying user informationTo display the definition of an SNMP user account, enter a command such as the following.Syntax: show snmp userInterpreting varbinds in report packetsIf an SNMP version 3 request packet is to be rejected by an SNMP agent, the agent sends a reportpacket that contains one or more varbinds. The varbinds contain additional information, showingthe cause of failures. An SNMP manager application decodes the description from the varbind.The following table presents a list of varbinds supported by the SNMP agent.Defining SNMP viewsSNMP views are named groups of MIB objects that can be associated with user accounts to allowlimited access for viewing and modification of SNMP statistics and system configuration. SNMPviews can also be used with other commands that take SNMP views as an argument. SNMP viewsreference MIB objects using object names, numbers, wildcards, or a combination of the three. Thenumbers represent the hierarchical location of the object in the MIB tree. You can referenceindividual objects in the MIB tree or a subset of objects from the MIB tree.Varbind object identifier Description1. 3. 6. 1. 6. 3. 11. 2. 1. 3. 0 Unknown packet data unit.1. 3. 6. 1. 6. 3. 12. 1. 5. 0 The value of the varbind shows the engine ID that needsto be used in the snmp-server engineid command1. 3. 6. 1. 6. 3. 15. 1. 1. 1. 0 Unsupported security level.1. 3. 6. 1. 6. 3. 15. 1. 1. 2. 0 Not in time packet.1. 3. 6. 1. 6. 3. 15. 1. 1. 3. 0 Unknown user name. This varbind may also begenerated:• If the configured ACL for this user filters out thispacket.• If the group associated with the user is unknown.1. 3. 6. 1. 6. 3. 15. 1. 1. 4. 0 Unknown engine ID. The value of this varbind would bethe correct authoritative engineID that should be used.1. 3. 6. 1. 6. 3. 15. 1. 1. 5. 0 Wrong digest.1. 3. 6. 1. 6. 3. 15. 1. 1. 6. 0 Decryption error.BigIron RX(config)# show snmp userusername = bobacl id = 2group = adminsecurity model = v3group acl id = 0authtype = md5authkey = 3aca18d90b8d172760e2dd2e8f59b7feprivtype = des, privkey = 1088359afb3701730173a6332d406eecengine ID= 800007c70300e052ab0000
