Cisco Cisco ONS 15454 SONET Multiservice Provisioning Platform (MSPP) Guía De Diseño
OL-4556-01
121
Figure 5-8: A Hub and Spoke Ethernet Circuit
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ONS 15454
#1
ONS 15454
#2
ONS 15454
#3
Workstation
Workstation
SONET
Ethernet
192.168.1.25
255.255.255.0
Slot 4/Port 1
VLAN Blue
192.168.1.50
255.255.255.0
Slot 15/Port 1
VLAN Blue
Workstation
Workstation
192.168.1.100
255.255.255.0
255.255.255.0
Slot 5/Port 1
VLAN Blue
192.168.1.75
255.255.255.0
Slot 17/Port 1
VLAN Blue
E
100
0 -
0 -
2-
G
E
10
00
-2
-G
Workstation
192.168.1.125
255.255.255.0
255.255.255.0
Slot 5/Ports 1&2
VLAN Blue
E
10
00
-2
-G
E-Series Ethernet Manual Cross-Connects
ONS 15454 nodes require end-to-end CTC visibility between nodes for normal provisioning of
Ethernet circuits. When other vendors’ equipment sits between ONS 15454 nodes, OSI/TARP-
based equipment does not allow tunneling of the ONS 15454 TCP/IP-based DCC. To circumvent
this lack of continuous DCC, the Ethernet circuit must be manually cross connected to an STS
channel riding through the other vendors’ network. This allows an Ethernet circuit to run from
ONS 15454 node to ONS 15454 node utilizing the other vendors’ network.
Figure 5-9: Ethernet Manual Cross-connects
SONET
Ethernet
ONS 15454
ONS 15454
Other Vendor's
SONET Network
Router
Router