Citrix SD-WAN

Route Summarization

March 12, 2021

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With the increase in the size of the enterprise networks, the routers need to maintain the large number of routes in their routing table. The routers require increased CPU, memory and bandwidth resources to look up the large routing tables, and maintain individual routes. You can configure a summary route with Local and Discard service types. This summary route is advertised to the next-hop devices.

To configure a summary route for a local subnet:

In the Configuration Editor, navigate to Connections > Routes and click the + to add a route.
On the Add route page, set the following parameters and then click Add.

Network IP Address: The calculated summary route IP address.
Cost: A weight to determine the route priority for this route. Lower-cost routes take precedence over higher-cost routes. The range is 1–15. The default value is 5.
Routing Domain: Routing protocols providing the single point of administration to manage a corporate network, or a branch office network, or a data center network.
Service Type: Select Local service type.

Note

You can select only Local and Discard service types for summary routes.

Gateway IP Address: Gateway IP address for this route.
Export Route: Exports the route to other connected sites.
Summary Route: Advertises the route as a single summary route to the other connected devices, instead of all the other matching subnets.

Troubleshooting

The summarized routes configured on the MCN are sent to the Branch over the virtual path. In case you do not see the virtual path details in the route table of the Branch, check the Branch dashboard. The dashboard displays the status of the virtual path between the MCN and Branch.

Virtual path up on dashboard

If the virtual path is down, check the reason for it under Configuration > Logging/Monitoring.

Select one of the following files from the filename drop-down list to verify:

SDWAN_paths.log
SDWAN_common.log

Virtual paths down verify

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Route Summarization

March 12, 2021

Contributed by:

March 12, 2021

Contributed by:

Route Summarization

Troubleshooting

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