Alcatel-Lucent 7450 Quality Of Service Manual page 48

QoS Policies
Series - 1
Packet
Stream
When configured with this option, the forwarding class and drop priority of incoming traffic
will be determined by the mapping result of the EXP bits in the top label.
new classification hierarchy based on rule type.:
Table 8: Forwarding Class and Enqueuing Priority Classification Hierarchy Based on Rule Type
# Rule
1 default-fc
2 dot1p dot1p-
value
3 lsp-exp exp-value
48
Figure 4: Traffic Queuing Model for 3 Queues and 3 Classes
Queue Depth:
Based on PIR andf FC
Ingress
QoS
Match
Criteria
Forwarding Class
Set the policy's
default forwarding
class.
Set when an fc-name
exists in the policy.
Otherwise, preserve
from the previous
match.
Set when an fc-name
exists in the policy.
Otherwise, preserve
from the previous
match.
Scheduler
E E E
Expedited
A A A
Assured
B B B
Best Effort
Scheduler
Enqueuing Priority
Set to policy default
Set when the priority
parameter is high or
low. Otherwise,
preserve from the
previous match.
Set when the priority
parameter is high or
low. Otherwise,
preserve from the
previous match.
High
B B A B A A E E E
Low
Table 8
Comments
All packets match the default
rule.
Each dot1p-value must be
explicitly defined. Each
packet can only match a single
dot1p rule.
* Each exp-value must be
explicitly defined. Each
packet can only match a single
lsp-exp rule.
* This rule can only be applied
on Ethernet L2 SAP
Quality of Service Guide
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