QoS in MC-MLPPP
Quality of Service Guide 833
Ingress MLPPP Class Reassembly
For a MLPPP bundle with the multi-class option enabled, there is a default profile for setting
the re-assembly timer value for each class. When the predefined MLPPP ingress QoS profile
1 is applied to a 4-class bundle, the values of the timers are modified as shown in Table 70.
Configuring MC-MLPPP QoS Parameters
A 4-class MLPPP bundle can be configured. This feature cannot be used with MC-MLPPP
bundles with fewer than 4 classes.
The following describe the parameters and the configuration processes and rules:
The user creates an ingress QoS profile, mlppp-profile-ingress, to configure the desired value
of the ingress per-class re-assembly timer. Ingress QoS profile #1 is reserved to the
predefined profile with parameter values in Table 70. The user is allowed to edit this profile
and change parameter values. However, the default value of a parameter when a user creates
a profile with a profile-id higher than 1, or performs the no option on the parameter, will
always be the one in Table 70 for the ingress QoS Profile #1 regardless what parameter value
the edited Profile #1 has at that point in time.
• The user creates an egress QoS profile, mlppp-profile-egress, to configure the desired
values for the per-class queue and queue scheduling parameters. The user is also able
to configure the mapping of the system forwarding classes to the MLPPP classes.
Egress QoS profiles #1, 2, and 3, are reserved to the predefined profiles with
parameter values shown in Table 67, Table 68, or Table 69. The user is allowed to
edit these profiles and change parameter values. However, the default value of a
parameter when a user creates a profile with a profile-id higher than 3, or when the
user performs the no option on the parameter, will be the one shown in Table 67,
Table 70: MLPPP Ingress QoS Profile: Reassembly Timers (msec)
Class 0 Class 1 Class 2 Class 4
MLPPP ingress QoS default profile
(2-Class bundle)
25ms 25ms NA NA
MLPPP ingress QoS default profile
(3-Class bundle)
25ms 25ms 25ms NA
MLPPP ingress QoS default profile
(4-Class bundle)
25ms 25ms 100ms 1000ms
MLPPP ingress QoS profile 1 (4-class bundle) 10 10 100 1000
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