Hitachi GR2000 manual Relationship Between Load on RP and QoS

When you use the QoS function of GR2000, pay attention to the following.

4.12.1Relationship Between Load on RP and QoS

In normal operation, QoS controls queuing and transmitting of packets as illustra in Figure 4-18. In the event of a certain amount of load on the RP, there may be cases when QoS fails and packets are discarded as illustrated in Figure 4-19. Su heavy load on the RP is caused by the following factors:

Software processing on RP

IPX routing is enabled and the traffic is higher than 2500 pps.

Bridge is enabled and the traffic is higher than 3500 pps.

IP fragmentation occurs often.

￿￿A lot of packets utilizing IP header option are received and relayed at a tim Use beyond configuration limits

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