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DSCP

PREC

Dot1p

ToS

Q-in-Q

When applied at the FP (Forwarding Path) level for access egress

When applied at an access port for ingress or egress

When applied at the FP (Forwarding Pass) level for access ingress

When applied at the port level for network egress

CIR

CIR level

CIR weight

Rate

Level

Weight

Using dot1p bits of the 802.1q Ethernet frame header

Using DSCP bits within the ToS field of the IP packet header.

Using the IP precedence bits within the ToS field of the IP packet header.

Using the CLP bit of the ATM cell header.

Using the EXP bits of the MPLS transport label header.

Network

Scheduler

Slope

SAP-ingress

Network queue

Queue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 5 and queue 6 above-CIR packets in round-robin.

Queue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 5 and queue 6 above-CIR packets in biased round-robin.

Queue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 6 above-CIR packets, and finally queue 5 above-CIR packets.

Queue 6 and queue 5 within-CIR packets in biased round-robin, then queue 5 and queue 6 above-CIR packets in round-robin.

Each network egress port receives its own buffer pool.

Each SAP-egress port receives its own buffer pool.

All SAP-ingress ports on the same MDA share a buffer pool.

All the network ingress ports on the same MDA share a buffer pool.

Each network ingress port on the same MDA receives its own buffer pool.

802.1p bits

Precedence

DSCP

EXP

When applied at the port level for access ingress.

When applied at the FP (Forwarding Pass) level for access ingress.

When applied at the FP (Forwarding Pass) level for network ingress.

When applied at the port level for network egress.

Dot1p

DEI

EXP

DSCP/PREC