The option to change the VRF context setting is available on the NSX Advanced Load Balancer UI.

The VRF setting can be changed by navigating to Infrastructure > Service Engine and clicking the edit option.

Configuring static routes available under the Management Network does not affect the SE. As part of SE boot-up process, the NSX Advanced Load Balancer Controller only picks the default gateway that is applicable to the specific SE based on the SE’s management network.

The VRF edit option on the NSX Advanced Load Balancer UI is only applicable to the Data NIC’s. The VRF context setting for the management network can be changed using NSX Advanced Load Balancer CLI.

This section also explains how to configure NSX Advanced Load Balancer when there are multiple management networks used across Service Engines Groups.

Instructions

Login to the NSX Advanced Load Balancer CLI, and execute the following commands:

  • configure vrfcontext management

  • static_routes route_id <ID> prefix 0/0 next_hop <IP address of the next hop>

For more information, see the following configuration snippets:

admin:10-10-30-102]: > configure vrfcontext management
Updating an existing object. Currently, the object is:
+----------------+-------------------------------------------------+
| Field          | Value                                           |
+----------------+-------------------------------------------------+
| uuid           | vrfcontext-ef7605b5-4d95-41dd-bf22-5d132584ec7b |
| name           | management                                      |
| system_default | True                                            |
| tenant_ref     | admin                                           |
| cloud_ref      | Default-Cloud                                   |
+----------------+-------------------------------------------------+                   
[admin:10-10-30-102]: vrfcontext> static_routes route_id 1 prefix 0/0 next_hop 10.10.22.1
New object being created
[admin:10-10-30-102]: vrfcontext:static_routes> save
[admin:10-10-30-102]: vrfcontext> static_routes route_id 2 prefix 0/0 next_hop 10.10.30.1
New object being created
[admin:10-10-30-102]: vrfcontext:static_routes> save

After the changes, the show output will exhibit the following information. The VRF for the management network has the routing entries for the two different subnets.

[admin:10-10-30-102]: vrfcontext:static_routes> save
[admin:10-10-30-102]: vrfcontext> wh
Tenant: admin
+------------------+-------------------------------------------------+
| Field            | Value                                           |
+------------------+-------------------------------------------------+
| uuid             | vrfcontext-ef7605b5-4d95-41dd-bf22-5d132584ec7b |
| name             | management                                      |
| static_routes[1] |                                                 |
|   prefix         | 0/0                                             |
|   next_hop       | 10.10.22.1                                      |
|   route_id       | 1                                               |
| static_routes[2] |                                                 |
|   prefix         | 0/0                                             |
|   next_hop       | 10.10.30.1                                      |
|   route_id       | 2                                               |
| system_default   | True                                            |
| tenant_ref       | admin                                           |
| cloud_ref        | Default-Cloud                                   |
+------------------+-------------------------------------------------+