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Queuing Parameters for the Router Hardware, PIC, MIC, and MPC Interface Families

Table 1 compares the PIC, MIC, and MPC interface families with regard to queuing parameters and features. In this table, the OSE PICs refer to the 10-port 10-Gigabit OSE PICs (described in some guides as the 10-Gigabit Ethernet LAN/WAN PICs with SFP+).

Table 1: Queue Parameters on the Router Hardware and Interface Families Compared

Queuing Statement or Feature:

M320 and T Series

MIC and MPC Interfaces

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