13-7
Cisco ONS 15454 Reference Manual, R7.0.1
OL-9217-01
Chapter 13 Management Network Connectivity
13.2 13.2.5 IP Scenario 5: Using Static Routes to Connect to LANs
Figure 13-5 IP Scenario 4: Default Gateway on a CTC Computer
13.2.5 IP Scenario 5: Using Static Routes to Connect to LANs
Static routes are used for two purposes:
• To connect ONS 15454s to CTC sessions on one subnet connected by a router to ONS 15454s
residing on another subnet. (These static routes are not needed if OSPF is enabled. “13.2.6 IP
Scenario 6: Using OSPF” section on page 13-10 shows an OSPF example.)
• To enable multiple CTC sessions among ONS 15454s residing on the same subnet.
In Figure 13-6, one CTC residing on subnet 192.168.1.0 connects to a router through interface A. (The
router is not set up with OSPF.) ONS 15454s residing on different subnets are connected through Node
1 to the router through interface B. Because Nodes 2 and 3 are on different subnets, proxy ARP does not
enable Node 1 as a gateway. To connect to the CTC computer on LAN A (subnet 192.168.1.0), you must
create a static route on Node 1. You must also manually add static routes between the CTC computer on
LAN A and Nodes 2 and 3 because these nodes are on different subnets.
CTC Workstation
IP Address 192.168.1.100
Subnet Mask at CTC Workstation 255.255.255.0
Default Gateway = 192.168.1.10
Host Routes = N/A
ONS 15454 #2
IP Address 192.168.2.20
Subnet Mask 255.255.255.0
Default Router = N/A
Static Routes = N/A
ONS 15454 #1
IP Address 192.168.1.10
Subnet Mask 255.255.255.0
Default Router = N/A
Static Routes = N/A
ONS 15454 #3
IP Address 192.168.3.30
Subnet Mask 255.255.255.0
Default Router = N/A
Static Routes = N/A
LAN A
SONET RING
33160
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