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8. IP Addressing
8-2
February 2001 8784-A2-GB20-30
Review the following information in preparation for selecting an IP addressing
scheme.
Any legal host address is allowed for a given subnet. The address choice
within the subnet is arbitrary.
A single route to a subnet is all that is needed to reach every device on a
subnet. The unit’s routing table supports a maximum of 20 routes.
IP Addressing Example
See Figure 8-1, Peer IP Address Assignments, for an example of an IP addressing
scheme. In the example, the Peer IP Address:
Refers to the IP address of the unit configured as an NTU.
Is assigned by the LTU.
Figure 8-1. Peer IP Address Assignments
99-16040-02
DSLAM
DSLAM
79xx
79xx
79xx
MCC Base
Address = 126.35.50.1
MCC Base Subnet
Mask = 255.255.255.0
Port 1
Peer IP Address = 126.35.1.5
MCC
LTU
87xx
Port 2
Peer IP Address = 126.35.1.1
Port 3
Peer IP Address = 126.35.1.2
Port 4
Peer IP Address = 126.35.1.3
NTU
MCC
MCC Backplane
Address = 126.35.1.1
MCC Backplane
Mask = 255.255.255.0
LTU Backplane
Address = 126.35.1.16
NTU Backplane
Address = 126.35.50.1