15-19
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 15 Management Network Connectivity
15.2.9 Scenario 9: IP Addressing with Secure Mode Enabled
Figure 15-14 shows a network with dual GNEs on different subnets.
Figure 15-14 Scenario 8: Dual GNEs on Different Subnets (ANSI and ETSI)
15.2.9 Scenario 9: IP Addressing with Secure Mode Enabled
The TCC2 card and TCC2P card both default to repeater mode. In this mode, the front and back Ethernet
(LAN) ports share a single MAC address and IP address. TCC2P cards allow you to place a node in
secure mode, which prevents a front-access craft port user from accessing the LAN through the
backplane port. Secure mode can be locked, which prevents the mode from being altered. To place a node
in secure mode or to lock secure node, refer to the “Manage the Node” chapter in the
Cisco ONS 15454 DWDM Procedure Guide.
15.2.9.1 Secure Mode Behavior
Changing a TCC2P node from repeater mode to secure mode allows you to provision two IP addresses
for the ONS 15454 and causes the node to assign the ports different MAC addresses. In secure mode,
one IP address is provisioned for the ONS 15454 backplane LAN port, and the other IP address is
124257
Remote CTC
10.10.20.10
10.10.20.0/24
10.10.10.0/24 10.20.10.0/24
Interface 0/0
10.10.20.1
Router A
Interface 0/1
10.10.10.1
Interface 0/2
10.20.10.1
ONS 15454
Gateway NE
10.10.10.100/24
ONS 15454
End NE
192.168.10.250/24
ONS 15454
Gateway NE
10.20.10.100/24
ONS 15454
End NE
192.168.10.200/24
Local/Craft CTC
192.168.20.20
Ethernet
Optical Fiber
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