Access Gateway interface not loading with Netscaler cluster set up.

Access Gateway interface not loading with Netscaler cluster set up.

-- we see the RST code 9886 being sent from the Netscaler to the client.
-- RST 9886 - In the cluster system if the AGEE VIP is not spotted then we reset the connection with this Window size.
-- The NetScaler Gateway is supported on a cluster only when the VPN virtual servers are bound to node groups that have a single cluster node.

1. Log on to the NetScaler configuraton utility at the Cluster IP address.
2. Expand the System node, then the Cluster subnode.
3. Click Node Groups.
4. In the Node Group pane, select the desired node group name, and then click Edit.
5. In the Advanced pane on the right, expand the Virtual Servers option, and then click the + icon to add a virtual server.
6. Choose the VPN Virtual Server type, and then click Continue.
7. Click Bind.
8. If the needed virtual server is listed, select it, then click Insert, and then click OK.
9. If you have to create a new virtual server, click Add. Proceed through the NetScaler Virtual Server configuration. Minimally, all that is needed is to create the virtual server so that it can be bound to the cluster node group.
10. Once the virtual server is available in the NetScaler Gateway Virtual Servers list, select it, and then click Insert.
11. Click OK.
12. Click Done.

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Problem Cause

-- The NetScaler Gateway is supported on a cluster only when the VPN virtual servers are bound to node groups that have a single cluster node.