Create Tunnel Specifications

A tunnel endpoint can be created using a standard L2GRE, VXLAN, or ERSPAN tunnel. The tunnel can be an ingress tunnel or an egress tunnel.

Note:  VXLAN is the only supported tunnel type for Azure.

To configure the tunnels:

  1. Select Inventory > Resources > Tunnel Specifications.
  2. On the Tunnel Specifications page, navigate to VM tab and click Create. The Create Tunnel Specification wizard appears.

  3. Enter or select the following information:

    4. Field

    Description

    Alias

    The name of the tunnel endpoint.

    Note:  Do not enter spaces in the alias name.

    Description

    The description of the tunnel endpoint.

    Tunnel Type

    The type of the tunnel.

    Select ERSPAN, or L2GRE, or VXLAN to create a tunnel.

    Do not select UDPGRE tunnel type.

    Note:  VXLAN is the only supported tunnel type for Azure.

    Traffic Direction

    The direction of the traffic flowing through the V Series node.

    • Choose In (Decapsulation) for creating an Ingress tunnel, Tunnel Spec for the Source should always have the Traffic Direction as IN, signifying an ingress tunnel. Enter values for the Key.
    • Choose Out (Encapsulation) for creating an Egress tunnel from the V Series node to the destination endpoint. Select or enter values for MTU, Time to Live, DSCP, PREC, Flow Label, and Key.
    • ERSPAN, L2GRE, and VXLAN are the supported Ingress tunnel types. You can configure Tunnel Endpoint as your first level entity in Monitoring Session.
    • L2GRE and VXLAN are the supported Egress tunnel types.
    • For Azure connection, VXLAN is the supported Ingress and Egress tunnel type.

    IP Version

    The version of the Internet Protocol. Select IPv4 or IPv6.

    Remote Tunnel IP

    For Ingress tunnel, Remote Tunnel IP is the IP address of the tunnel source.

    For Egress tunnel, Remote Tunnel IP is the IP address of the tunnel destination endpoint.

  4. Click Save to save the configuration.