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2.8.8 Ethernet Counters (RFC2819)
The OLT supports Ethernet statistics (RFC2819) on all point-to-point interfaces.
2.9 MAC
The OLT supports the following MAC related features:
Switch MAC table
Allow limiting the number of MAC addresses per service
Display the total number of entries in MAC address tables
MAC Addresses,
Number of learnt MAC Addresses: Up to 32K MAC addresses.
Learning rate per second: HW based poses no rate limitation
2.9.1 Dynamic Bandwidth Allocation (DBA)
The DBA (Dynamic Bandwidth Allocation) is available in order to optimize the upstream bandwidth. This mechanism consists in defining an
adequate T-CONT to the service traffic in question. There are five types of T-CONT, defined by the Fixed, Assured and Maximum Parameters:
Type 1: Only fixed Bandwidth;
Type 2: Only Assured Bandwidth;
Type 3: Maximum Bandwidth;
Type 4: Only Maximum Bandwidth (Best Effort);
Type 5: Fixed+Maximum Bandwidth.
T-CONT
Type 1
Type 2
Type 3
Type 4
Type 5
Units
Fixed BW- RF
RF1
0
0
0
RF5
[b/s]
Assured BW- RA
0
RA2
RA3
0
RA5
[b/s]
Max Bw - RM
RM1 = RF1
RM2 = RA2
RM3 > RA3
RM4
RM5 > RF5 + RA5
[b/s]
Bandwidth Eligibility
0
0
Non-Assured BW - RNA
Best-Effort - RBE
RNA / RBE
Table 2-2: T-CONT type definition
In each GPON interface there is 1024 Alloc-ID (T-CONT identifiers) available, provided to manage ONT services. They are distributed in the following
way:
Alloc-ID
Allocation Type
0-127
Default Alloc-ID (Dynamic or Static)
128-255
Reserved
Содержание OLT 769401
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