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Thursday, January 3, 2013

logging eacewnid...

e a c e w n i d... has a nice ring to it...

0 through 7

emergency      0

alert                1
critical            2
error               3
warning          4
notifications    5
informational  6
debug              7

core2(config)#logg console ?                                                   
  <0-7>          Logging severity level                                        
  alerts         Immediate action needed           (severity=1)                
  critical       Critical conditions               (severity=2)                
  debugging      Debugging messages                (severity=7)                
  discriminator  Establish MD-Console association                              
  emergencies    System is unusable                (severity=0)                
  errors         Error conditions                  (severity=3)                
  filtered       Enable filtered logging                                       
  guaranteed     Guarantee console messages                                    
  informational  Informational messages            (severity=6)                
  notifications  Normal but significant conditions (severity=5)                
  warnings       Warning conditions                (severity=4)                
  xml            Enable logging in XML        
                

i wrote about this last june here:

http://insearchofthecert.blogspot.com/2012/06/syslog-severity-levels.html

then i tried to give it a mnemonic... the mnemonic was too difficult to remember, go figure, so:

e a c e w n i d
0 1 2 3 4 5 6 7

docd... for this one it was easier to dig up in the switches section:

http://www.cisco.com/en/US/docs/switches/lan/catalyst3750e_3560e/software/release/12.2_55_se/configuration/guide/swlog.html


and if you're really ambitious there are a number of rfc's that document different systems (bsd) and transport (tcp, udp)... whoa...

              Table 1.  Syslog Message Facilities

   Each message Priority also has a decimal Severity level indicator.
   These are described in the following table along with their numerical
   values.  Severity values MUST be in the range of 0 to 7 inclusive.








Gerhards                    Standards Track                    [Page 10]

RFC 5424                  The Syslog Protocol                 March 2009


           Numerical         Severity
             Code

              0       Emergency: system is unusable
              1       Alert: action must be taken immediately
              2       Critical: critical conditions
              3       Error: error conditions
              4       Warning: warning conditions
              5       Notice: normal but significant condition
              6       Informational: informational messages
              7       Debug: debug-level messages

3 comments:

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    ReplyDelete
  2. Everyone always complains even when nothing is different

    ReplyDelete
  3. Everyone
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    Without
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