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Chapter 11 - Routing Protocols 100
OSPF Global Commands (Continued)
Parameter Description
RIP External Metric-
Type
Applies when
Advertise RIP routes
is set to
Yes
. For
Type 1
, the total metric of this
route is composed of the internal metric (inside the autonomous system) and the
external metric (provided in the previous parameter). For
Type 2
, the total metric of
this route is the value provided in the previous parameter.
Advertise Non-OSPF
interfaces
A router can have both OSPF and non-OSPF interfaces. This option causes the router
to advertise when these non-OSPF interfaces are up or down. When OSPF is
disabled on an interface, the parameter CONFIG=>INTERFACE =>
<LINK>
=>ROUTING PROTOCOL =>OSPF =>ADVERTISE THIS NON-OSPF INTERFACE
must also be set to
Yes
for the interface to be advertised.
Advertise Static
Routes
Static routes defined in the router will be converted to OSPF. Note that static routes
can be configured individually as advertised or not in the parameter
CONFIG=>STATIC ROUTES=>IP=>ADD ROUTE=>OSPF ADVERTISES THIS
STATIC ROUTE. Both parameters must be
Yes
for the route to be advertised.
STEP FOUR
The next step is to define the areas created in step two. This is done in the OSPF Area Menu.
Area Menu CONFIG =>IP =>OSPF =>AREA
Parameter Description
Area ID Has the format of an IP address, but is not linked to any IP address in the system. Use
the CONFIG=>IP=>OSPF=>L option to see which areas have been defined, and use
the area ID here.
Authentication Type Simple password authentication can be used in OSPF. The authentication type should
be the same for all routers in an OSPF Area. If used, the password for each interface
is set in CONFIG=>INTERFACE=>
<INTERFACE>
=>ROUTING PROTOCOL =>OSPF
=>PASSWORD.
This table is continued.