Trap Server Cannot Receive Trap Packets from the Switch

If the trap server cannot receive trap packets from the switch, perform the following steps.

Procedure

  1. Check whether you configured the trap server correctly on the switch:

    show snmp-server host

  2. Check whether a firewall exists between the switch and the trap server.

Example

Check whether you configured the trap server correctly on the switch:

Switch:1>enable
Switch:1#show snmp-server host

================================================================================
                              Notify Configuration
================================================================================
Notify Name                      Tag                              Type
--------------------------------------------------------------------------------
Inform                           informTag                        inform
Trap                             trapTag                          trap


================================================================================
                          Notify Profile Configuration
================================================================================
Params Name                      Profile Name
--------------------------------------------------------------------------------
AuthNoPriv-md5                   profile2
AuthPriv-md5                     profile3
NoAuthNoPriv-md5                 profile1


================================================================================
                          Target Address Configuration
================================================================================

Target Name                      TDomain   TAddress                 TMask

--------------------------------------------------------------------------------
4c20cc369925edbd1fe3cf8e2584c498 ipv4      47.17.142.155:162

55fca382ffba169e986783bbbdedc334 ipv4      47.17.143.57:162



================================================================================
                          Target Address Configuration
================================================================================
Target Name                      Timeout Retry TagList
Params                           MMS
--------------------------------------------------------------------------------
4c20cc369925edbd1fe3cf8e2584c498 1500    3     trapTag
4c20cc369925edbd1fe3cf8e2584c498 484
55fca382ffba169e986783bbbdedc334 1500    3     trapTag
55fca382ffba169e986783bbbdedc334 484

================================================================================
                          Target Params Configuration
================================================================================
Target Name                      MP Model  Security Name                    Sec
Level
--------------------------------------------------------------------------------
4c20cc369925edbd1fe3cf8e2584c498 snmpv1    readview                         noAu
thNoPriv
55fca382ffba169e986783bbbdedc334 snmpv2c   secret                           noAu
thNoPriv
TparamV1                         snmpv1    readview                         noAu
thNoPriv
TparamV2                         snmpv2c   readview                         noAu
thNoPriv