4-7
Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 4 IP Networking
ONS 15327 IP Addressing Scenarios
4.2.5 Scenario 5: Using Static Routes to Connect to LANs
Static routes are used for two purposes:
•
To connect ONS 15327s to CTC sessions on one subnet connected by a router to ONS 15327s
residing on another subnet. (These static routes are not needed if OSPF is enabled. Scenario 7 shows
an OSPF example.)
•
To enable multiple CTC sessions among ONS 15327s residing on the same subnet.
In
, 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 15327s residing on subnet 192.168.2.0 are connected through ONS
15327 #1 to the router through interface B. Proxy ARP enables ONS 15327 #1 as a gateway for ONS
15327s #2 and #3. To connect to CTC computers on LAN A, a static route is created on ONS 15327 #1.
Figure 4-5
Scenario 5: Static route with one CTC computer used as a destination
CTC Workstation
IP Address 192.168.1.100
Subnet Mask 255.255.255.0
Default Gateway = 192.168.1.1
Host Routes = N/A
Router
IP Address of interface “A” to LAN A 192.168.1.1
IP Address of interface “B” to LAN B 192.168.2.1
Subnet Mask 255.255.255.0
Default Router = N/A
Static Routes = Destination 192.168.3.20 Gateway 192.168.2.10
Destination 192.168.4.30 Gateway 192.168.2.10
ONS 15327 #2
IP Address 192.168.3.20
Subnet Mask 255.255.255.0
Default Router = N/A
Static Routes = N/A
ONS 15327 #1
IP Address 192.168.2.10
Subnet Mask 255.255.255.0
Default Router = 192.168.2.1
Static Routes = Destination 192.168.1.100
Mask 255.255.255.255
Next Hop 192.168.2.1
Cost = 2
ONS 15327 #3
IP Address 192.168.4.30
Subnet Mask 255.255.255.0
Default Router = N/A
Static Routes = N/A
LAN B
LAN A
Int "A"
Int "B"
SONET RING
46579
Summary of Contents for ONS 15327
Page 22: ...Contents xxii Cisco ONS 15327 User Documentation June 2002 I N D E X ...
Page 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
Page 44: ...Procedures xlii Cisco ONS 15454 Installation and Operations Guide R3 2 June 2002 ...
Page 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...