User guide

Connection Admission Control (CAC) Feature Interaction
6-3
Telesyn Service Guide (Ethernet Passive Optical Network (EPON))
2. Availability of priority categories - This differentiates among three categories of traffic at the queues from the
OLT upstream to the EPON switching fabric. There is a number of links allowed in each category at initial-
ization time. The following table shows these categories and the number of links allowed:
Note: The user must be aware of this allocation when choosing SLAs. Attempts to assign SLAs that
exceed the number that are allocated for that type of SLA will be rejected at the CLI.
6.3 Feature Interaction
Following are the feature interactions/limitations for the EPON2:
• The EPON2 does not support the MAC limiting feature.
• The EPON2 does not support the STB Mobility feature.
• ONU switching from ONU to ONU connected to the same EPON2 is not supported in this release.
• Each ONU supports up to 6 VLANs, and up to 24 different VIDs among all the ONUs that are connected to
the EPON2.
• The EPON2 card does not does not support FLOODUNKNOWNS=ON the same way as other cards/inter-
faces.
• Upgrading the EPON2 load upgrades the software on all the ONUs associated with the EPON2 automatically,
to ensure they are in synch with the OLT configuration on the EPON2 card.
TABLE 6-1 CAC for the EPON2
Priority
Level Correlation to SLA Type of Traffic
Number of
Links Total
0 DELAY=SENSITIVE
AND
Min = Max
Traffic that is sensitive to
jitter (e.g. Voice VLAN)
2 per ONU 64
1 DELAY=TOLERANT
AND
Min > 0
Traffic that can tolerate
some jitter, and has some
guaranteed bandwidth
(e.g. Video VLAN)
2 per ONU,
plus 15
additional
64 +15
(79)
2 DELAY=TOLERANT
AND
Min = 0
Best Effort” traffic (e.g.
Internet VLAN, RG Boot
VLAN, RG Mgmt VLAN)
2 per ONU 96
239