Nortel Networks OPTera Metro 3500 - Manual (Page 78)

2-40 Operation, administration, and maintenance (OAM) features
OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Special provisioning considerations for inter-ring hub node of OPE virtual rings
or OPE ring spanning Layer 1 subtending rings
In the case where you provision an RPR spanning multiple Layer 1 (SONET)
rings (see
Figure 2-20 on page 2-41 and Figure 2-21 on page 2-42 ), the hub
node will require the use of two IPTR ring names for each RPR, to distinguish
the two pass-through connections from one another. Two different
provisioning scenarios and their cross-connect provisioning rules are listed in
Table 2-5 and Table 2-6 .
Table 2-5
Scenario 1: there are already RPRs provisioned on the hub node
RPR Nodal IPTR ring name
(example names) Side 1 Optic Side 2 Optic
first RPR (see Note) IPTR-1 (see Note) slot 11 or 12 optical facility tributary optical facility
IPTR-2 slot 11 or 12 optical facility tributary optical facility
second RPR IPTR-3 slot 11 or 12 optical facility tributary optical facility
IPTR-4 slot 11 or 12 optical facility tributary optical facility
•
•
•
•
•
•
•
•
•
•
•
•
N
th
RPR IPTR-n slot 11 or 12 optical facility tributary optical facility
IPTR-n+1 slot 11 or 12 optical facility tributary optical facility
Note: "first RPR" and "IPTR-1" represent the next time you provision an RPR on the hub node.
Table 2-6
Scenario 2: there are no prior RPRs provisioned on the hub node
RPR Nodal IPTR ring name
(example names) Side 1 Optic Side 2 Optic
first RPR IPTR-1 slot 11 or 12 optical facility tributary optical facility
IPTR-2 tributary optical facility slot 12 or 11 optical facility
second RPR IPTR-3 slot 11 or 12 optical facility tributary optical facility
IPTR-4 slot 11 or 12 optical facility tributary optical facility
•
•
•
•
•
•
•
•
•
•
•
•
N
th
RPR IPTR-n slot 11 or 12 optical facility tributary optical facility
IPTR-n+1 slot 11 or 12 optical facility tributary optical facility