15-16
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 15      Management Network Connectivity
15.2.7    Scenario 7: Provisioning the ONS 15454 Proxy Server
Figure 15-12 shows the same proxy server implementation with ONS 15454 ENEs in multiple rings.
Figure 15-12 Scenario 7: ONS 15454 Proxy Server With ENEs on Multiple Rings (ANSI and ETSI)
Table 15-3 shows the rules the ONS 15454 follows to filter packets for the firewall when nodes are 
configured as ENEs and GNEs. If the packet is addressed to the ONS 15454, additional rules (shown in 
Table 15-4) are applied. Rejected packets are silently discarded.
124255
Remote CTC
10.10.20.10
10.10.20.0/24
10.10.10.0/24
Interface 0/0
10.10.20.1
Router A
Interface 0/1
10.10.10.1
ONS 15454
Gateway NE
10.10.10.100/24
ONS 15454
End NE
192.168.10.250/24
ONS 15454
End NE
192.168.10.150/24
ONS 15454
End NE
192.168.10.200/24
Ethernet
Optical Fiber
ONS 15454
Gateway NE
10.10.10.200/24
ONS 15454
End NE
192.168.80.250/24
ONS 15454
End NE
192.168.60.150/24
ONS 15454
End NE
192.168.70.200/24