Cisco 1701-K9-RF - 1701 ADSL Security Access Router : Datasheet : Page 230

Lab – Configuring Syslog and NTP

d. Remove the Loopback 0 interface on R2 and observe the log messages.

R2(config-if)# no interface lo 0

R2(config)#

Jul 5 10:02:58.910: %LINK-5-CHANGED: Interface Loopback0, changed state to

administratively down

Jul 5 10:02:59.910: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0,

changed state to down

At severity level 4, are there any log messages on the syslog server? If any log messages appeared,

explain what appeared and why.

____________________________________________________________________________________

There was a summary warning log message indicating a change in the interface state. The addition of the

interface was not enough to trigger and send more detailed informational messages to the syslog server

at level 4.

e. Change the logging severity level to 6.

R2(config)# logging trap informational

or

R2(config)# logging trap 6

f. Clear the syslog entries on PC-B. Click Clear in the Tftpd32 dialog box.

g. Create the Loopback 1 interface on R2.

R2(config)# interface lo 1

Jul 5 10:05:46.650: %LINK-3-UPDOWN: Interface Loopback1, changed state to up

Jul 5 10:05:47.650: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1,

changed state to up

h. Remove the Loopback 1 interface from R2.

R2(config-if)# no interface lo 1