Which Monitoring Tool is best to monitor LAN and WAN

Hi,
CAN ANYONE TELL ME Which Monitoring Tool is best to monitor LAN and WAN.
Waiting for immediate response.
Thanks
Irshad

To start with HP open, this is SNMP-based as well. As it is around for quite a while and delivers support for many vendors, it has become sort of an industry standard. Many other vendors deliver add-ons (even CiscoWorks) to support their products via HP open. That functionality however comes with a price. If you have plenty of money an a large network to manage, HP open might be your best choice.
Cisco Works and other -start-with-C- products are typically used to manage Cisco devices. If you have a fair share of non-cisco boxes around you will find that you cannot see or do everything with them that you might want.
One special thing about CiscoWorks is that it lacks a grapical real-time overview of the network. In my opinion this is a weakness in the product. On the other hand, it has many nice features to manage all kinds of Cisco devices.
My ideal solution is to use both a generic SNMP manager, SNMPc in my case, and CiscoWorks 2000. With SNMPc I can quickly see network node status and do some bandwidth management (baselining). CW2k serves mainly to execute changes (NetConfig) and as a syslogger. It is also used to perform IOS upgrades and to store config files.
I guess this could be done with HP open as well, but our money does not reach far enough to pay for both. SNMPc costs a lot less, both in purchase and in maintenance.
Hope this clarifies things a bit.
Regards,
Leo

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