I've asked the network engineers on my team to set up basic node monitoring of some external entities (for example the remote end of a T-1 line or a remotely hosted web server). However although we have both Ciscoworks
2000 and HP OpenView in use, apparently monitoring of nodes isn't possible
with either of these unless you have at least SNMP Read access to the node.
Of course in the examples I provided above, we don't have that access.
It is hard to understand why a tool as rich as HPOV wouldn't provide such
a basic capability. Basically all we need (as a first step anyway) is a basic
"ping test" to see if the node responds (and we recognize this is a simplistic
test, but it's better than nothing until we have time to come up with something
What are you all doing to handle this type of task?
Every NMS application including HPOV uses SNMP to manage the devices. That's the fundamental logic behind all the NMS apps. And you must have configured the SNMP Read community strings on the device in order to poll/manage that using HPOV other other apps. If you don't have configured SNMP or don't know the read strings, then you can't do any SNMP management at all on the device.
As for your question on the basic capability of doing the "ping test", you can also do this via SNMP using the PING-MIB. Details and the procedure can be seen at:
I'm not aware of how Cabletron devices behave with SNMP, but it's a standard procedure that if you want to manage/poll your devices via SNMP, you need the read-only strings at the minimum for polling. If you can poll a Cabletron device without the SNMP strings that I'd say it's a security problem. You don't want any non-trusted user to poll your devices and read the information :-)
There is no problem for NNM to monitor the status of a node using ICMP. It's actually what it does by default. No need for SNMP if you just want up/down status of the interface.
You need two things: the node must be discovered (i.e. visibel in the map) and managed (which doesn't require SNMP). Then NNM will use ICMP to poll your node with the interval you specified (default 5 or 15 min. dependant of the version of NNM).
Let me know if you still have problems and I'll help you offline.
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 ...