Black Box LRU4240 manual Area stub, Area virtual-link

Dual Trunk E1 Router

<0-4294967295>= The area identification number for the stub. default Sets default short-cutting behavior.

enable Forces short-cutting through the area. disable Disables short-cutting through the area.

Default

Command Mode

Router mode

Usage

Examples

area 1 shortcut default area 52 shortcut disable no area 42 shortcut enable

Related Commands ospf abr-type shortcut

area stub

Use the area stub command to define an area as a stub area.

Use the no form of this command to disable this function.

Command Syntax

(no) area AREAID stub (no-summary) AREAID= A.B.C.D<0-4294967295>

A.B.C.D= The IPv4 address specification of the identifier for the stub. <0-4294967295>= The area identification number for the stub.

no-summary Stops an ABR from sending summary link advertisements into the stub area.

Default

No stub area is defined.

Command Mode

Router mode

Usage

Configures the area stub command on all routers in the stub area. There are two stub area router configuration commands: the stub and default-cost commands. In all routers attached to the stub area, configure the area by using the stub option of the area command. For an area border router (ABR) attached to the stub area, use the areadefault-cost command.

Examples

ospfd# configure terminal ospfd(config)# router ospf 100 ospfd(config-router)# area 1 stub

Related Commands

area authentication, area default-cost

area virtual-link

Use the area virtual-link command to configure a link between a non-backbone area that cannot be physically connected to the backbone area, through another non-backbone area. Use the no form of this command to remove a virtual link.

Command Syntax

(no) area AREAID virtual-link A.B.C.D (AUTHENTICATIONAUTHKEYINTERVAL) AREAID=A.B.C.D<0-4294967295>

A.B.C.D= OSPF area ID in IP address format.

<0-4294967295>= range of the number of the OSPF area to be linked. A.B.C.D = The IP address associated with a virtual link neighbor. AUTHENTICATION = authentication (nullAUTHKEY) authentication= Enable authentication on this virtual link

null = Use null authentication to override password or message digest. AUTHKEY = authentication-key KEY

KEY = An 8 character password

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