Queuing Parameters for the Router Hardware and PIC Families
Table 1 compares the PIC families with regard to queuing parameters and features. In this table, the OSE PICs refer to the 10-port 10-Gigabit OSE PICs.
Table 1: Queue Parameters on the Router Hardware and Interface Families Compared
Queuing Statement or Feature: | M320 and T Series | Trio DPC/MPCs | IQ PICs | IQ2 PICs | IQ2E PICs | OSE PICs on T Series | Enhanced IQ PICs |
|---|---|---|---|---|---|---|---|
Maximum number of queues | 8 | 8 | 8 on M320 or T Series routers, | 8 | 8 | 4 ingress, 8 egress | 8 |
Maximum delay buffer bandwidth | 80 ms: Type 1 and 2 FPC, | 100 ms for 1 Gbps and up; 500 ms for others | 100 ms | 200 ms | 200 ms | – | up to 4000 ms |
Packet transmit priority level | 3 and 3 | 3 and 2 | 2 and 2 | 2 | 3 | 2 | 3 and 2 |
Maximum number of drop profiles | 32 (32 samples) | 64 | 32 (32 samples) | 32 | 32 | – | 64 |
Packet loss priority level | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
