Scenarios
This section describes how to modify static routes, including common routes and blackhole routes, in a route table of an enterprise router. For example, you can perform the following operations:
- Change a common route to a blackhole route.
- Change the attachment type and next hop of a common route.
Only static routes can be modified. Propagation routes cannot be modified.
Notes and Constraints
To change the destination of a static route, delete this static route and create another one with your desired destination.
Procedure
- Log in to the management console.
- Click
in the upper left corner and select the desired region and project. - Click Service List and choose Networking > Enterprise Router.
The Enterprise Router homepage is displayed.
- Search for the target enterprise router by name.
Figure 1 Searching for an enterprise router
- Go to the Route Tables tab using either of the following methods:
- In the upper right corner of the enterprise router, click Manage Route Table.
- Click the enterprise router name and click Route Tables.
Figure 2 Modifying a static route
- Click the route table where you want to modify a route. On the Routes tab, locate the route and click Modify in the Operation column.
The Modify Route dialog box is displayed.
- Modify the route based on Table 1.
Table 1 Parameter descriptionParameter
|
Setting
|
Example Value
|
Blackhole Route
|
Optional
If Blackhole Route is enabled, you do not need to configure Attachment Type and Next Hop for the route. If the destination of a route is the same as, or is contained in, that of this blackhole route, all packets destined for the destination will be dropped.
|
-
|
Attachment Type
|
- If Blackhole Route is not enabled, you need to configure this parameter.
- If Blackhole Route is enabled, you do not need to configure this parameter.
VPC: You want to attach a VPC to an enterprise router.
For more information, see Attachment Overview.
|
VPC
|
Next Hop
|
- If Blackhole Route is not enabled, you need to configure this parameter.
- If Blackhole Route is enabled, you do not need to configure this parameter.
Select the attachment from the drop-down list.
|
er-attach-01
|
- Click OK.
View the modified static route in the route list.