These classes are grouped on the basis of whether the packets conform to certain criteria.įor NBAR, the criterion is whether the packet matches a specific protocol or application known to NBAR. Once a protocol or application is recognized by NBAR, you can use the Modular Quality of Service Command-Line Interface (MQC) to group the packets associated with those protocols or applications into classes.
NBAR recognizes specific network protocols and network applications that are used in your network. This document describes how to configure the Cisco IOS ® router to block the peer-to-peer (P2P) traffic from the inside network to the Internet using Network Based Application Recognition (NBAR).
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