A-6
Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Appendix A Circuit Routing
Manual Circuit Routing
21——SNCP
12——SNCP
1 ——2SNCP
— 12— SNCP
22——Double SNCP
2 ——2 Double SNCP
— 22— Double SNCP
11——Two Way
0 or 1 0 or 1 Ethernet Node
Source
— Ethernet
0 or 1 0 or 1 — Ethernet
Node Drop
Ethernet
Table A-1 Bidirectional VC/Regular Multicard EtherSwitch/Point-to-Point (straight) Ethernet Circuits
(continued)
# of Inbound Links # of Outbound Links # of Sources # of Drops Connection Type
Table A-2 Unidirectional VC Circuit
# of Inbound Links # of Outbound Links # of Sources # of Drops Connection Type
11——One way
12——SNCP Head End
— 21— SNCP Head End
2 ——1+ SNCP drop and
continue
Table A-3 Multicard Group Ethernet Shared Packet Ring Circuit
# of Inbound Links # of Outbound Links # of Sources # of Drops Connection Type
At intermediate nodes only
21——SNCP
12——SNCP
22——Double SNCP
11——Two way
At source or destination nodes only
11——Ethernet
Table A-4 Bidirectional VC Low-Order Path Tunnels
# of Inbound Links # of Outbound Links # of Sources # of Drops Connection Type
At intermediate nodes only
21——SNCP
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