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Ip ospf commands – Allied Telesis AT-8550 User Manual

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AT-9108, AT-8518, AT-8525, and AT-8550 User’s Command Guide

23

IP OSPF Commands

Command

Description

config ospf add virtual-link

Adds a virtual link connected to another ABR. Specify the following:

routerid

— Far-end router interface number.

areaid

— Transit area used for connecting the two end-

points. The transit area cannot have the IP address 0.0.0.0.

config ospf add vlan [ | all]

Enables OSPF on one or all VLANs (router interfaces). The default
setting is disabled.

config ospf area add range
[advertise | noadvertise]
{type 3 | type 7}

Configures a range of IP addresses in an OSPF area. If advertised, the
range is exported as a single LSA by the ABR.

config ospf area delete range

Deletes a range of IP addresses in an OSPF area.

config ospf area external-filter
[ | none]

Configures the router to use the access policy to determine which
external routes are allowed to be exported into the area. This router
must be an ABR.

config ospf area interarea-filter
[ | none]

Configures the router to use the access policy to determine which
inter-area routes are allowed to be exported into the area. This
router must be an ABR.

config ospf area normal

Configures an OSFP area as a normal area. The default setting is

normal

.

config ospf area nssa [summary |
nosummary] stub-default-cost
{translate}

Configures an OSPF area as a NSSA.

config ospf area stub [summary |
nosummary] stub-default-cost

Configures an OSPF area as a stub area.

config ospf asbr-filter [ |
none]

Configures a route filter for all the routes OSPF exports from RIP or
other sources.

config ospf [vlan | area |
virtual-link ]
authentication [simple-password
| md5 | none]

Specifies the authentication password (up to eight characters) or
Message Digest 5 (MD5) key for one or all interfaces in an area. The

md5_key

is a numeric value with the range 0 to 65,536. When the

OSPF area is specified, authentication information is applied to all
OSPF interfaces within the area.

config ospf [area | vlan [ |
all]] cost

Configures the cost metric of one or all interface(s). The default cost
is 1.

config ospf delete virtual-link

Removes a virtual link.

config ospf delete vlan [ | all]

Disables OSPF on one or all VLANs (router interfaces).

config ospf [area | vlan [ |
all]] priority

Configures the priority used in the designated router-election
algorithm for one or all IP interface(s) of for all the interfaces within
the area. The range is 0 through 255, and the default setting is 1.
Setting the value to 0 ensures that the router is never selected as the
designated router or backup designated router.

config ospf routerid [automatic | ]

Configures the OSPF router ID. If automatic is specified, the switch
uses the largest IP interface address as the OSPF router ID. The
default setting is

automatic

.

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