Proxy And Firewall Tunnels For Foreign Terminations; Figure - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

13.5 Open GNE

Figure 13-18

10.10.10.100/24
10.10.10.250/24
Non-ONS node
130.94.122.199/28
Figure 13-19
useful in this example because the GNE would otherwise block IP access between the PC and foreign
node. This configuration also requires a firewall tunnel on the ENE.
Cisco ONS 15454 Reference Manual, R8.5
13-28

Proxy and Firewall Tunnels for Foreign Terminations

Remote CTC
10.10.20.10
Interface 0/0
10.10.20.1
Interface 0/1
10.10.10.1
ONS 15454
GNE
ONS 15454
ENE
Foreign NE
shows a remote node connected to an ENE Ethernet port. Proxy and firewall tunnels are
10.10.20.0/24
Router A
10.10.10.0/24
ONS 15454
ENE
10.10.10.150/24
ONS 15454
ENE
10.10.10.200/24
Local/Craft CTC
192.168.20.20
Chapter 13 Management Network Connectivity
Ethernet
SONET
78-18106-01