Alcatel-Lucent 1850 TSS-5 supports the Ethernet over SONET/SDH services on the VLNC50/52/55 and VLNC35 circuit packs, as shown in the following table.
Service |
VCGs (per Circuit Pack) |
Ethernet Ports |
SONET/SDH Capacity |
Tagging Mode |
Ethernet Forwarding (Switching) based on |
---|---|---|---|---|---|
Private Line |
1 Private Line per VCG VCAT, with or without LCAS |
Dedicated |
Dedicated |
Private Line (No tag) |
No Ethernet switching. Point-to-Point connection is pre-configured. |
The following table shows the typical Ethernet service configurations.
Service |
Protection |
Cross-Connection Type | |
---|---|---|---|
SONET/SDH |
Spanning Tree | ||
Private Line |
UPSR/SNCP |
Not Allowed |
2wayPR |
Private Line |
UPSR/SNCP |
Not Allowed |
2way |
Private Line |
1+1 |
Not Allowed |
2wayPR |
Private Line |
0x1 |
Not Allowed |
2way |
Private Line service is a point-to-point service with two dedicated LAN ports and dedicated SONET/SDH capacity. Because it is a point-to-point service, spanning tree protection is not used. Protection is provided at the SONET/SDH layer by UPSR/SNCP and 1+1.
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