Queuing Parameters for the Router Hardware and PIC Families

Table 57 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 57: 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, 4 on M7, M10, M20 routers	8	8	4 ingress, 8 egress	8
Maximum delay buffer bandwidth	80 ms: Type 1 and 2 FPC, 50 ms: Type 3 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