Monitoring the SNMP Trap and Trap Destination Details


Display configuration information about SNMP traps and trap destinations.


To display configuration information about SNMP traps and trap destinations:

host1# show snmp trap
Enabled Categories: Bgp, Ospf, Sonet
SNMP authentication failure trap is disabled
Trap Source: FastEthernet 6/0, Trap Source Address:
Trap Proxy: enabled
Global Trap Severity Level: 7 - debug

Trap Severity Level    TrapCategories
-------------------    -------------------
7 - debug               ospf                                

Address          Security String      Ver  Port   Trap Categories
---------------  -------------------  ---  -----  ----------------     public                v1   162    BgpOspf

Address      TrapSeverityFilter  Ping    Maximum    Queue   Queue Full
                                TimeOut QueueSize DrainRate discrd methd
------------ ------------------ ------- --------- --------- -------------  2 - critical       1       32        0        dropLastIn


Table 50 lists the show snmp trap command output fields.

Table 50: show snmp trap Output Fields

Field Name

Field Description

Enabled Categories

Trap categories that are enabled on the router

SNMP authentication failure trap

Authentication failure trap status: Enabled or disabled

Trap Source

Interface whose IP address is used as the source address for all SNMP traps

Trap Source Address

IP address used as the source address for all SNMP traps

Trap Proxy

Trap proxy status: Enabled or disabled

Global Trap Severity Level

Global severity level filter. If a trap does not meet this severity level, it is discarded. If the per-category trap severity level is not set for a particular category, the severity displayed here is used for that category.

Trap Severity Level

Severity level filter for a trap category. This severity level overrides the globally configured trap severity level.


Types of traps enabled on the router for which trap severity is configured at the category level


IP address of the trap recipient

Security String

Name of the SNMP community


SNMP version (v1 or v2) of the SNMP trap packet


UDP port on which the trap recipient accepts traps

Trap Categories

Types of traps that the trap recipient can receive


Severity level filter for this SNMP host

Ping TimeOut

Configured ping timeout in minutes

Maximum QueueSize

Maximum number of traps to be kept in the trap queue

Queue DrainRate

Maximum number of traps per second to be sent to the host

Queue Full discard method

Method used to discard traps when the queue is full:

  • dropFirstIn—Oldest trap in the queue is dropped.
  • dropLastIn—Most recent trap is dropped.

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