Cloud Enterprise Network:Manage custom routes of a transit router

Add a custom route to a route table of an Enterprise Edition transit router

1. Log on to the CEN console.
2. On the Instances page, find the CEN instance that you want to manage and click the instance ID.
3. Choose Basic Settings > Transit Router, find the transit router that you want to manage, and then click the ID of the transit router.
4. On the details page of the transit router, click the Route Propagation tab.
5. In the left-side section, click the route table ID. On the Route Entry tab of the details page, click Add Route Entry.
6. In the Add Route Entry dialog box, set the following parameters and click OK.

   Parameter	Definition
   Route Table	By default, the current route table is selected.
   Transit Router	By default, the current transit router is selected.
   Name	Enter a name for the route.
   Destination CIDR	Enter the destination CIDR block of the route. Example: 192.168.1.0/24.
   Blackhole Route?	Yes: specifies that the route is a blackhole route. All traffic destined for this route is dropped. No: specifies that the route is not a blackhole route. In this case, you must specify the next hop of the route.
   Next Hop	Specify the next hop.
   Description	Enter a description for the route.

View routes of an Enterprise Edition transit router

1. Log on to the CEN console.
2. On the Instances page, find the CEN instance that you want to manage and click the instance ID.
3. Choose Basic Settings > Transit Router, find the transit router that you want to manage, and then click the ID of the transit router.
4. On the details page of the transit router, click the Route Propagation tab.
5. In the left-side section, click the ID of the route table that you want to manage.
6. On the Route Entry tab of the route table details page, you can view the following information about routes in the current route table.

   Parameter	Description
   Cluster Name	Displays the name and ID of the route. You can click the icon to enter a name for the route or modify its name.
   Destination CIDR Block	Displays the destination CIDR block of the route.
   Next Hop	Displays the network instance that is specified as the next hop of the route.
   Type	Displays the type of the next hop. Network Instance: indicates that the next hop of the route is a network instance connection. Blackhole: indicates that the route is a blackhole route. All traffic destined for this route is dropped.
   Route Type	Displays the route type. Valid values: Propagated Routes: indicates that the route is a route learned by the transit router. Static Routes: indicates that the route is a custom route.
   Route Status	Displays the status of the route. Valid values: Available: indicates that the route is available. Rejected: indicates that the route matches a routing policy of the route table and is unavailable. Candidate: indicates that the route is a standby route. When the active route is unavailable, traffic can be transmitted through the standby route.
   Description	Displays the description of the route. You can click the icon to enter a description for the route or modify its description.

View routes of a Basic Edition transit router

1. Log on to the CEN console.
2. On the Instances page, find the CEN instance that you want to manage and click the instance ID.
3. Choose Basic Settings > Transit Router, find the transit router that you want to manage, and then click the ID of the transit router.
4. On the details page of the transit router, click the Route Propagation tab.
5. On the Route Entry tab, view the routes in the current region.

   Parameter	Description
   Destination CIDR Block	Displays the destination CIDR block of the route.
   Next Hop	Displays the network instance that is specified as the next hop of the route.
   Type	Displays the type of the network instance that is specified as the next hop of the route. CCN: indicates that the route is advertised from a Cloud Connect Network (CCN) instance. VPC: indicates that the route is advertised from a virtual private cloud (VPC). VBR: indicates that the route is advertised from a virtual border router (VBR). local_service: indicates that the route is a system route.
   Route Type	Displays the route type. Valid values: CEN: indicates that the route is a route learned by the transit router. Custom: indicates that the route is a custom route. System: indicates that the route is a system route that is automatically added.
   State	Displays the status of the route. Valid values: Available: indicates that the route is available. Rejected: indicates that the route matches a routing policy of the route table and is unavailable. Candidate: indicates that the route is a standby route. When the active route is unavailable, traffic can be transmitted through the standby route.
   Route Map	Displays the routing policy that the route matches. If the route matches a routing policy, you can click details to view details about the routing policy.
   Route Property	Displays the attributes of the route. You can click details to view the attributes of the route, such as the AS path, community value, and priority.
   Region Out Route Map	Displays the routing policy that the route matches to forward packets to other regions.
   Region Out Status	Displays the status of the route that forwards packets to other regions.

Delete a custom route from a route table of an Enterprise Edition transit router

1. Log on to the CEN console.
2. On the Instances page, find the CEN instance that you want to manage and click the instance ID.
3. Choose Basic Settings > Transit Router, find the transit router that you want to manage, and then click the ID of the transit router.
4. On the details page of the transit router, click the Route Propagation tab.
5. In the left-side section, click the ID of the route table that you want to manage.
6. On the Route Entry tab of the route table details page, find the route that you want to delete and click Delete in the Actions column.
7. In the Delete Route Entry message, confirm the information and click OK.

References

• CreateTransitRouterRouteEntry: adds a route to a route table of an Enterprise Edition transit router.
• UpdateTransitRouterRouteEntry: modifies the name and description of a route that belongs to a route table of an Enterprise Edition transit router.
• DeleteTransitRouterRouteEntry: deletes a static route that belongs to a route table of an Enterprise Edition transit router.
• ListTransitRouterRouteEntries: queries the information about routes that belong to a route table of an Enterprise Edition transit router.