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IP Network Addressing Scenario
F-5
3162-A2-GB20-40
August 2000
Local and Remote Carriers — Same Subnet
An alternative addressing scheme, for the network is shown in Figure F-4. This
example uses a subnet mask of 255.255.00.00 for the COM port in the
central-site carrier (only), with all of the remaining subnet masks set to
255.255.255.00. The advantage to this scheme is that only one route must be
added to the NMS host (135.18.0.0).
ETHERNET
135.19.6.34
496-14648-02
LAN
ADAPTER
T1
COMSPHERE 3610
COMSPHERE 3610
135.19.6.22
135.19.6.1 . . . . 135.19.6.16
135.18.40.1
COM IP
ADDRESS:
135.18.40.4
SUBNET 135.18.40.0
SUBNET 135.19.0.0
T1
C
O
M
S
P
H
E
R
E
3
0
0
0
135.19.20.45
COMSPHERE 3610
COMSPHERE 3610
135.19.20.23
135.19.20.1 . . . . 135.19.20.16
C
O
M
S
P
H
E
R
E
3
0
0
0
T1
T1
135.19.1.1 . . . . 135.19.1.16
C
O
M
S
P
H
E
R
E
3
0
0
0
T1
T1
COM
SUBNET MASK:
FF:FF:00:00
Figure F-4. Local Carrier Connected to Remote Carriers – an Alternative