mrtg peak on reboot / snmp-issue?

2008-06-15 Thread Olivier Mueller
Hello, Small but curious thing on my freebsd-based systems: when a server is rebooted, it generates a peak (or spike?) on the network mrtg for all interfaces (here just before 1 am): http://8304.ch/om/stuff/mrtg_localhost_1-day.png It happens with both net-snmp and ucd-snmp, with a quite

Re: mrtg peak on reboot / snmp-issue?

2008-06-15 Thread Hartmut Brandt
Olivier Mueller wrote: Hello, Small but curious thing on my freebsd-based systems: when a server is rebooted, it generates a peak (or spike?) on the network mrtg for all interfaces (here just before 1 am): http://8304.ch/om/stuff/mrtg_localhost_1-day.png This could happen if either the

Re: mrtg peak on reboot / snmp-issue?

2008-06-15 Thread Josh Carroll
Sorry the blackberry is truncating your original mail, but yes I have noticed the same thing on my setup. In my case I am using a custom rrdtool perl script. While not a fix for the actual problem, my workaround has been to use a CDEF in my rrdgraph command to set the value to 0 if it exceeds a