19
# mkdir /var/log/Device
c.
Create file
info.log
in the
Device
directory to save logs from
Device
.
# touch /var/log/Device/info.log
d.
Edit the file
syslog.conf
in directory
/etc/
and add the following contents:
# Device configuration messages
local4.info /var/log/Device/info.log
In this configuration,
local4
is the name of the logging facility that the log host uses to
receive logs, and
info
is the informational level. The UNIX system records the log
information that has a severity level no lower than
informational
to file
/var/log/Device/info.log
.
e.
Display the process ID of
syslogd
, end the
syslogd
process, and then restart
syslogd
using the
–r
option to make the new configuration take effect.
# ps -ae | grep syslogd
147
# kill -HUP 147
# syslogd -r &
The device can output MAC address logs to the log host, which stores the logs to the specified
file.
3.
Enable MAC Information on Device:
# Enable MAC Information globally.
[Device] mac-address information enable
# Configure the MAC Information mode as syslog.
[Device] mac-address information mode syslog
# Enable MAC Information on Twenty-FiveGigE 1/0/1 to enable the port to record MAC address
change information when the interface performs either of the following operations:
{
Learns a new MAC address.
{
Deletes an existing MAC address.
[Device] interface twenty-fivegige 1/0/1
[Device-Twenty-FiveGigE1/0/1] mac-address information enable added
[Device-Twenty-FiveGigE1/0/1] mac-address information enable deleted
[Device-Twenty-FiveGigE1/0/1] quit
# Set the MAC Information queue length to 100.
[Device] mac-address information queue-length 100
# Set the MAC change notification interval to 20 seconds.
[Device] mac-address information interval 20
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