Alteon Application Switch Operating System Application Guide
Open Shortest Path First (OSPF)
152 Document ID: RDWR-ALOS-V2900_AG1302
4. Define the stub area.
5. Attach the network interface to the backbone.
6. Attach the network interface to the stub area.
7. Apply and save the configuration changes.
Example 2: Virtual Links
In the example shown in Figure 22 - Virtual Links Example, page 153, area 2 is not physically
connected to the backbone as is usually required. Instead, area 2 is connected to the backbone
through a virtual link through area 1. The virtual link must be configured at each endpoint.
>> Open Shortest Path First # aindex 0
(Select menu for area index 0)
>> Open Area (index) 0 # areaid 0.0.0.0
(Set the ID for backbone area 0)
>> Open Area (index) 0 # type transit
(Define backbone as transit type)
>> OSPF Area (index) 0 # enable
(Enable the area)
>> OSPF Area (index) 0 # /cfg/l3/ospf/aindex 1
(Select menu for area index 1)
>> OSPF Area (index) 1 # areaid 0.0.0.1
(Set the area ID for OSPF area 1)
>> OSPF Area (index) 1 # type stub
(Define area as stub type)
>> OSPF Area (index) 1 # enable
(Enable the area)
>> OSPF Area 1 # /cfg/l3/ospf/if 1
(Select OSPF menu for IP interface 1)
>> OSPF Interface 1 # aindex
(Attach network to backbone index)
>> OSPF Interface 1 # enable
(Enable the backbone interface)
>> OSPF Interface 1 # /cfg/l3/ospf/if 2
(Select OSPF menu for IP interface 2)
>> OSPF Interface 2 # aindex 1
(Attach network to stub area index)
>> OSPF Interface 2 # enable
(Enable the stub area interface)
>> OSPF Interface 2 # apply
(Global command to apply all changes)
>> OSPF Interface 2 # save
(Global command to save all changes)
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