Firewalls and NNM Port Usage
There may be situations where the NNM system and the network it is managing are separated by a firewall.This section reviews NNM requirements for various network services in a general way.
There are two main scenarios to consider while reading the rest of this section. In scenario A the managed network and the NNM collection stations are separated by a firewall. NNM must be able to probe through the firewall to reach its management domain. The NNM users have direct access to their NNM system. Scenario B situates the NNM collection station inside its management domain. The users are located on the other side of the firewall and so is the management station. Now both the users and the management station must pass through ...
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