Figure 5-3 Slot-Level Cac Bandwidth Calculations Performed With Default Settings; Figure 5-4 Port-Level Cac Sequence (Performed Only At Provisioning Time) - Lucent Technologies Stinger Compact Remote Getting Started Manual

Hosted System Configuration
Traffic management in hosted Compact Remote systems
Figure 5-3. Slot-level CAC bandwidth calculations performed with default settings
Trunk PHY
bandwidth
LIM port CAC is disabled by default. To enable it, you must set cac-preference to
provisioning-time system-wide. For details, see the Stinger ATM Configuration Guide.
In addition, you must configure the LIM's slot-static-config profile by setting
port-cac-enable to yes, with a nonzero value for port-over-subscription.
When port-level CAC is enabled, the system performs two additional CAC
calculations before allowing a connection to be provisioned. The port-level CAC
sequence is shown in Figure 5-4. If sufficient bandwidth is not available at any one of
the calculation points, the connection profile cannot be written.
Figure 5-4. Port-level CAC sequence (performed only at provisioning time)
Trunk PHY
bandwidth
OLIM slot-static-config:
port-cac-enable
port-cac-oversubscription
5-10
Host Stinger
2
3
CM
OLIM
Host Stinger
3
5
CM
OLIM
155Mbps PHY
bandwidth
4
The Stinger® Compact Remote ATM DSLAM Getting Started Guide
TRUNK high-speed-slot-static-config:
over-subscription
OLIM slot-static-config:
allow-guaranteed-up-stream-bandwidth
slot-cac-enable
slot-cac-oversubscription
RLIM slot-static-config:
allow-guaranteed-up-stream-bandwidth
slot-cac-enable
slot-cac-oversubscription
Compact Remote
1
R
C
L
O
I
P
M
TRUNK high-speed-slot-static-config:
over-subscription
OLIM slot-static-config:
allow-guaranteed-up-stream-bandwidth
slot-cac-enable
slot-cac-oversubscription
RLIM slot-static-config:
allow-guaranteed-up-stream-bandwidth
slot-cac-enable
slot-cac-oversubscription
Compact Remote
2
R
C
L
DSL PHY bandwidth
O
I
P
M
1
RLIM slot-static-config:
port-cac-enable
port-cac-oversubscription