H3C Technologies H3C S7500E Series Switches - Manual (Page 105)

4-36
To do… Use the command… Remarks
Enter system view system-view —
Enter OSPF view
ospf [ process-id | router-id router-id |
vpn-instance instance-name ] *
—
default-route-advertise [ always | cost cost |
type type | route-policy route-policy-name ] *
Redistribute a default route
default-route-advertise summary cost cost
Optional
Not redistributed by
default.
The default-route-advertise summary cost command is applicable only to VPN, and the default
route is redistributed in a Type-3 LSA. The PE router will advertise the default route to the CE router.
Configure the default parameters for redistributed routes
You can configure default parameters such as the cost, upper limit, tag and type for redistributed
routes. Tags are used to indicate information related to protocols. For example, when redistributing
BGP routes, OSPF uses tags to identify AS IDs.
Follow these steps to configure the default parameters for redistributed routes:
To do… Use the command… Remarks
Enter system view system-view —
Enter OSPF view
ospf [ process-id | router-id router-id |
vpn-instance instance-name ] *
—
Configure the default
parameters for redistributed
routes (cost, route number, tag
and type)
default { cost cost | limit limit | tag tag | type
type } *
Optional
By default, the default cost
is 1, default upper limit of
routes redistributed per
time is 1000, default tag is
1 and default type of
redistributed routes is
Type-2.
Advertising a Host Route
Follow these steps to advertise a host route: