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Note: IP Prioritization is only supported from the MPANL interface with multiple DLCIs (SVC or SPVC) configured with unique transmission priorities (TPs). |
IP Prioritization is used in the Passport 4400 network to enhance the performance of various application packets. Application packets are often transferred with regular traffic. If priority control has not been configured, smaller packets are blocked by larger ones, which can cause long delays and packet loss.
The IP traffic filtering and prioritization feature allows you to configure the prioritization of an IP packet based on the layer protocol type, source address, destination address, and port number.
Some common TCP/UDP services and port numbers include:
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