I have a number of wan links that I monitor the utilisation of. I use network instruments observer software to do this, however, I have noticed that on numerous occassions the interface % utilisation will go well over 100%, I have checked that the interface index in the MIB is correct and that Observer recognises the correct speed of the interface. Do I need to add any commands to the router in order for the software to interpret the data correctly ?
Utilizaion is calculated by (delta ifInOctets)/(delta time). We can be pretty sure about the octet counts but not about the time values. The delta time might be fixed to be the program's sampling times. However, the data is based on when the request was received by the device.
if there was some delay in actually transmitting the request or in getting the second IfInOctets value back from the device the real delta time is longer than the one used in the calculation, the result of the calculation will be >100%.
The next value is probably lower than it should be since the next actual delta time is probably smaller than the one used.
Another source of error will be the frequency that the device updates its SNMP counters. The value might be 200ms old of 1 ms old.
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...