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The Logical Interface object is used to configure specific functionality on each of the interfaces located on the back of the IMG (CTRL, Data, Sig). By configuring or enabling certain fields in the Logical Interface object either the Ethernet Redundancy via Smart Probing feature or the VLAN Tagging feature can be configured.
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Using Logical Interface object along with the Probe Endpoint object and IP Network object the Smart-Probing feature can be configured. The Smart-Probing feature enhances the fault tolerance of the IMG by sending a Gratuitous ARP to each of the network endpoints. If any of the endpoints do not respond to the ARP within a specified amount of time, the IMG will automatically switch-over the interface or port to its redundant pair. The Logical Interface object enables the feature and sets the interval/threshold values. Refer to IMG 1010 - Ethernet Redundancy via Smart Probe for more information on the Smart-Probing feature.
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VLAN Tagging functionality can be configured on a single IP address using the IP address object -or- the interfaces labeled Data and Sig can each be configured to add a VLAN tag to every packet that is transmitted through them. The interface labeled CTRL cannot be configured to add VLAN tags to every packet being transmitted but individual IP addresses can be configured to add VLAN tags that are sent out the CTRL interface. For more information on the VLAN Tagging feature refer to the IMG 1010 - VLAN Tagging topic.
Use the information below to configure the Logical Interface object.
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Dialogic IMG EMS > Logical IMG > Physical IMG > Network > Logical Interface
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Related Topics
IMG 1010 - IP Network (Interface)
Maximum Objects
Up to three Logical Interface objects can be created. One for the CTRL interface, one for the Data interface, and one for the Signaling interface.
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Configuring the VLAN ID field will embed a VLAN Tag into any outgoing packets that are communicating through the interface configured above. Click in the VLAN ID field and a Range Dialog box will appear. Enter an ID in the ID: field of this Range Dialog box. The ID's range from 0 - 4094. A VLAN ID of 0 signifies the VLAN tagging functionality is disabled. Refer to the IMG 1010 - VLAN Tagging topic for more information. A maximum of 20 VLANs can be created over the three interfaces on the rear of IMG.
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The VLAN ID field is not visible when Control is selected in the Interface field above. VLAN tagging is not supported on the Control Interface in this object. To enable VLAN tagging through the Control interface, the VLAN tag needs to be configured on each IP address that is communicating through the Control Interface. This is achieved through the IMG 1010 - IP Address object. |
VLAN Priority
The VLAN Priority field is not visible until the VLAN ID field is modified to a value other than 0. Once a value is configured the VLAN Priority field appears. Select from drop down menu the priority being given to this VLAN Tag. The priority given will indicate a priority level that will be given to the packet. A priority of 7 is highest and priority of 0 is the lowest. These values can be used to prioritize different classes of traffic (voice, video, data, etc). Refer to the IMG 1010 - VLAN Tagging topic for more information.
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