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78-11719-02 July 2001 Using Cisco Transport Controller 3
Cisco ONS 15327 User Documentation 3-29
Step 7 Convert the longitude, originally given in decimal degrees, to the Wdddmmssfff format.
In the example, 122.615536 = W1223655000. Enter zeros if degrees are less than 100, for
example, 98 degrees is entered 098.
3.8 Setting Up General Network Information
This section explains how to set up general network information. For procedures that configure
networks, see Chapter 4, “Configuring Networks.”
3.8.1 Changing the IP Address
Before you connect an ONS 15327 to other ONS nodes or to a LAN, you must change the default
IP address that is shipped with the ONS 15327 (192.1.0.2). IP addresses are unique identifiers for
nodes or hosts connected to a network using TCP/IP. Each address consists of a network number and
a host number. The network numbers are used for routing, while the host number is used to address
an individual host within the network or subnetwork. A subnet mask is used to extract network and
host information from the IP address.
IP addresses are 32-bit binary numbers. However, to make IP addresses easier to work with, they are
represented as four decimal values, each representing eight bits in the range 0 to 255 (known as
octets) and separated by decimal points. For example, the following IP address is in binary format:
10001100.10110011.11011100.11001000
The same address, represented as four decimal values, is:
140.179.220.200
Because the IP addresses that you work with represent binary addresses, changing an address is not
always straightforward. Therefore, before you change the ONS 15327 IP addresses, consult your
LAN administrator or someone knowledgeable in TCP/IP to ensure addresses are suitable to your
network. See Chapter 7, “Network Management” and Chapter 6, “Ethernet Applications” for
additional information.
Procedure: Set Up Network Information
Step 1 Display the CTC node view.
Step 2 Click the Provisioning > Network tabs (Figure 3-17).
Step 3 Enter the following information:
• IP Address—Type the node IP address.
• Default Router—If the ONS 15327 must communicate with a device that has an IP
address that the ONS 15327 is not routed to, it forwards the packets to the default
router. Type the address of the router in this field. If the ONS 15327 is not connected
to a LAN, leave this field blank.
• Subnet Mask Length—Type the subnet mask length (decimal number representing the
subnet mask length in bits), or click the arrows, to adjust the subnet mask length.
• MAC Address (read only)—Displays the ONS 15327 address as it is identified on the
Media Access Control layer.