D-Link DES-7200, Cli Reference Manual, Page: 411 / 1180

DES-7200 CLI Reference Guide Chapter 32 OSPFv2 Configuration Commands
32-11
The router-id is the identifier of OSPF neighbor router. If you are
unsure of the router-id, check it with the show ip ospf neighbor
command. You may configure the Loopback address as the router
identifier.
The area virtual-link command defines only the authentication key
for virtual link. To enable the OSPF message authentication for the
areas connected with the virtual link, execute the area
authentication command in the routing process configuration mode.
Examples
Set area 1 as the transition area to establish virtual link with neighbor
2.2.2.2.
DES-7210(config)# router ospf 1
DES-7210(config-router)# network 172.16.0.0 0.0.15.255 area 0
DES-7210(config-router)# network 172.16.17.0 0.0.15.255 area 1
DES-7210(config-router)# area 1 virtual-link 192.1.1.1
Set area 1 as the transition area to establish virtual link with neighbor
1.1.1.1. This virtual link connects area 10 and backbone area, and
works with the OSPF message authentication of MD5.
DES-7210(config)# router ospf 1
DES-7210(config-router)# network 172.16.17.0 0.0.15.255 area 1
DES-7210(config-router)# network 172.16.252.0 0.0.0.255 area 10
DES-7210(config-router)# area 0 authentication message - digest
DES-7210(config-router)# area 1 virtual-link 1.1.1.1
message-digest-key 1 md5 hello
Related
commands
Command Description
area
authentication
Enable the OSPF area message authentication
and define the authentication mode.
show ip ospf
Show the OSPF process information, including
the router identifier.
32.1.9 auto-cost
Use this command to enable the automatic cost calculating function and set the reference
bandwidth. According to the reference bandwidth, you can configure the cost of the
specified interface automatically.
auto-cost [ reference-bandwidth ref-bw ]
no auto-cost [ reference-bandwidth ]
Parameter
description
Parameter Description
ref-bw
Reference bandwidth, in the range of 1 to
4294967 Mbps.