router#sh log
Syslog logging: enabled (0 messages dropped, 3 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)

No Active Message Discriminator.



No Inactive Message Discriminator.


    Console logging: level debugging, 230 messages logged, xml disabled,
                     filtering disabled
    Monitor logging: level debugging, 0 messages logged, xml disabled,
                     filtering disabled
    Buffer logging:  level debugging, 232 messages logged, xml disabled,
                    filtering disabled
    Exception Logging: size (4096 bytes)
    Count and timestamp logging messages: disabled
    Persistent logging: disabled

No active filter modules.

    Trap logging: level informational, 229 message lines logged
        Logging Source-Interface:       VRF Name:

Log Buffer (4096 bytes):
T_FAILURE: SIP1/1: Detected for transceiver module in GigabitEthernet1/1/0, module disabled 
*Jul  8 15:55:18.790: %LINK-3-UPDOWN: Interface GigabitEthernet1/1/0, changed state to down
*Jul  8 15:55:18.628: %LINK-3-UPDOWN: SIP1/1: Interface GigabitEthernet1/1/0, changed state to down
*Jul  8 15:55:18.707: %TRANSCEIVER-6-REMOVED: SIP1/1: Transceiver module removed from GigabitEthernet1/1/0
*Jul  8 15:55:19.791: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1/0, changed state to down
*Jul  8 15:55:23.712: %TRANSCEIVER-6-INSERTED: SIP1/1: transceiver module inserted in GigabitEthernet1/1/0
*Jul  8 15:56:33.186: %LINK-5-CHANGED: Interface GigabitEthernet1/1/0, changed state to administratively down
*Jul  8 15:56:39.126: %LINK-3-UPDOWN: Interface GigabitEthernet1/1/0, changed state to down
*Jul  8 15:56:39.018: %LINK-3-UPDOWN: SIP1/1: Interface GigabitEthernet1/1/0, changed state to down
*Jul  8 15:56:47.707: %TRANSCEIVER-6-REMOVED: SIP1/1: Transceiver module removed from GigabitEthernet1/1/0
*Jul  8 15:56:55.708: %TRANSCEIVER-6-REMOVED: SIP1/1: Transceiver module removed from GigabitEthernet1/1/0
*Jul  8 15:57:00.707: %TRANSCEIVER-6-INSERTED: SIP1/1: transceiver module inserted in GigabitEthernet1/1/0
*Jul  8 15:57:23.712: %TRANSCEIVER-6-REMOVED: SIP1/1: Transceiver module removed from GigabitEthernet1/1/0
*Jul  8 15:57:35.707: %TRANSCEIVER-6-INSERTED: SIP1/1: transceiver module inserted in GigabitEthernet1/1/0
*Jul  8 15:58:16.707: %TRANSCEIVER-6-REMOVED: SIP1/1: Transceiver module removed from GigabitEthernet1/1/0
*Jul  8 15:58:25.707: %TRANSCEIVER-6-INSERTED: SIP1/1: transceiver module inserted in GigabitEthernet1/1/0
*Jul  8 15:58:26.662: %TRANSCEIVER-3-INIT_FAILURE: SIP1/1: Detected for transceiver module in GigabitEthernet1/1/0, module disabled 
*Jul  8 15:59:01.055: %TRANSCEIVER-3-INIT_FAILURE: SIP1/1: Detected for transceiver module in GigabitEthernet1/1/0, module disabled 
*Jul  8 15:59:03.096: %LINK-3-UPDOWN: Interface GigabitEthernet1/1/0, changed state to up
*Jul  8 15:59:03.050: %LINK-3-UPDOWN: SIP1/1: Interface GigabitEthernet1/1/0, changed state to up
*Jul  8 15:59:04.097: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1/0, changed state to up
*Jul  8 16:09:10.892: %SYS-5-CONFIG_I: Configured from console by console
*Jul  8 16:11:55.585: %TRANSCEIVER-3-INIT_FAILURE: SIP1/1: Detected for transceiver module in GigabitEthernet1/1/0, module disabled 
*Jul  8 16:11:57.543: %LINK-3-UPDOWN: Interface GigabitEthernet1/1/0, changed state to down
*Jul  8 16:11:58.543: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1/0, changed state to down
*Jul  8 16:11:57.547: %LINK-3-UPDOWN: SIP1/1: Interface GigabitEthernet1/1/0, changed state to down
*Jul  9 15:04:45.800: %TRANSCEIVER-6-REMOVED: SIP1/1: Transceiver module removed from GigabitEthernet1/1/0
*Jul  9 15:46:29.139: %LINK-3-UPDOWN: Interface GigabitEthernet1/1/1, changed state to down
*Jul  9 15:46:30.139: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1/1, changed state to down
*Jul  9 15:46:29.152: %LINK-3-UPDOWN: SIP1/1: Interface GigabitEthernet1/1/1, changed state to down
*Jul  9 15:46:47.691: %LINK-3-UPDOWN: Interface GigabitEthernet1/1/2, changed state to down
*Jul  9 15:46:48.691: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1/2, changed state to down
*Jul  9 15:46:47.701: %LINK-3-UPDOWN: SIP1/1: Interface GigabitEthernet1/1/2, changed state to down
*Jul  9 15:46:52.463: %SYS-5-CONFIG_I: Configured from console by console
*Jul  9 15:47:07.800: %TRANSCEIVER-6-INSERTED: SIP1/1: transceiver module inserted in GigabitEthernet1/1/1
*Jul  9 15:47:12.800: %TRANSCEIVER-6-INSERTED: SIP1/1: transceiver module inserted in GigabitEthernet1/1/2
*Jul  9 15:47:13.756: %TRANSCEIVER-3-INIT_FAILURE: SIP1/1: Detected for transceiver module in GigabitEthernet1/1/2, module disabled 
*Jul  9 15:47:18.801: %TRANSCEIVER-6-INSERTED: SIP1/1: transceiver module inserted in GigabitEthernet1/1/0
*Jul  9 15:47:22.800: %TRANSCEIVER-6-REMOVED: SIP1/1: Transceiver module removed from GigabitEthernet1/1/0
router#