2-‐1.5
L og
The
log
is
a
standard
for
logging
program
messages.
It
allows
separation
of
the
software
that
generates
messages
from
the
system
that
stores
them
and
the
software
that
reports
and
analyzes
them.
It
can
be
used
as
well
for
general
information,
analysis,
and
debugging
messages.
It
is
supported
b y
a
w ide
v ariety
o f
d evices
a nd
r eceivers
a cross
m ultiple
p latforms.
Web
I nterface
To
c onfigure
l og
c onfiguration
i n
t he
w eb
i nterface:
1. Click
C onfiguration,
S ystem,
a nd
l og.
2. Specify
t he
s yslog
p arameters,
i ncluding
t he
I P
A ddress
o f
S yslog
s erver
a nd
P ort
n umber.
3. Evoke
t he
S yslog
t o
e nable
i t.
4. Click
A pply.
Figure2-‐1.5:
The
S ystem
L og
c onfiguration
Parameter
d escription:
Server
M ode:
Indicate
t he
s erver
m ode
o peration.
W hen
t he
m ode
o peration
i s
e nabled,
t he
s yslog
m essage
w ill
be
s ent
o ut
t o
t he
s yslog
s erver.
T he
s yslog
p rotocol
i s
b ased
o n
U DP
c ommunication
a nd
r eceived
on
U DP
p ort
5 14
a nd
t he
s yslog
s erver
w ill
n ot
s end
a cknowledgments
b ack
t o
t he
s ender
b ecause
UDP
i s
a
c onnectionless
p rotocol
a nd
i t
does
n ot
p rovide
a cknowledgments.
T he
s yslog
p acket
w ill
always
b e
s ent
o ut,
e ven
i f
t he
s yslog
s erver
d oes
n ot
e xist.
P ossible
m odes
a re:
Enabled:
E nable
s erver
m ode
o peration.
Disabled:
D isable
s erver
m ode
o peration.
Server
A ddress:
Indicates
t he
I Pv4
h osts
a ddress
o f
t he
s yslog
s erver.
I f
t he
s witch
p rovides
t he
D NS
f eature,
i t
a lso
can
b e
a
h ost
n ame.
Syslog
L evel:
Indicates
w hat
k ind
o f
m essage
w ill
s end
t o
s yslog
s erver.
P ossible
m odes
a re:
Info:
S end
i nformation,
w arnings
a nd
e rrors.
Warning:
S end
w arnings
a nd
e rrors.
Error:
S end
e rrors.
Buttons
These
b uttons
a re
d isplayed
o n
t he
N TP
p age:
Apply
–
C lick
t o
s ave
c hanges.
Reset
-‐
C lick
t o
u ndo
a ny
c hanges
m ade
l ocally
a nd
r evert
t o
p reviously
s aved
v alues.
14
Publication date: Sept, 2015
Revision A1