Hi Beny
I believe the best Start is the default syslog config of JUNOS:
system {
syslog {
user * {
any emergency;
}
file messages {
any notice;
authorization info;
}
file interactive-commands {
interactive-commands any;
}
}
}
After that you can add, as new target, the syslog server and add some more
traces but carefully.
You must keep in mind that for local logs (on the hard disk) if you see your
log files rotating too fast (I mean if your files with the default size and
number do not cover more than One week of time) they will be useless.
Regarding the trace-options you must be careful also with some "flag all"
statements that are writing on the disk a hudge amount of data.
We've had sometimes some M series hanged because of some heavy traces.
First thing so is to have a quick look at your log files:
"Show log ?"
If you see some of them that are rotating too fast, start removing some traces
leading that.
Hope this help
Alain
-----Message d'origine-----
De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De la part de Beny D Setyawan
Envoyé : vendredi 20 juin 2008 13:30
À : [email protected]
Objet : [j-nsp] Best practice to manage log information
Hi List,
Somehow my m-series hang and need to reboot. JTAC suspected that this is due to
harddisk busy, since there were so many log that write-erase to the harddisk
and suggested to reduce that process. Does anyone has information what is the
best practice on how to manage syslog severity on the Juniper router? Which log
should be send to syslog server and should be save also in the router itself.
The goal is how to make the router healhty by reduce log of changing any
information on the router from harddisk on the routing-engine perspective.
But in the other hand we need the log information for the NMS.
Thanks & Rgds,
Beny D Setyawan
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