Management traffic is different from other communication traffic, in that the NE itself is a destination and originator of traffic. However, it is not the only type of traffic for which this is true....

Management traffic is different from other communication traffic, in that the NE itself is a destination and originator of traffic. However, it is not the only type of traffic for which this is true. Name an example of other network traffic that the NE does not just switch or route, but actively participates in.