user manual

Table Of Contents
12-29
Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter 12 CTC Network Connectivity
12.6 Open GNE
Figure 12-19 shows a remote node connected to an ENE Ethernet port. Proxy and firewall tunnels are
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.
Figure 12-19 Foreign Node Connection to an ENE Ethernet Port
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 SDH
Gateway NE
10.10.10.100/24
ONS 15454 SDH
External NE
10.10.10.250/24
ONS 15454 SDH
External NE
10.10.10.150/24
ONS 15454 SDH
External NE
10.10.10.200/24
115760
Local/Craft CTC
192.168.20.20
Ethernet
SDH
Non-ONS node
Foreign NE
130.94.122.199/28