# Configuring interface apps

Use this procedure to open the Interface Apps tab.

Note

Due to hardware limitations, the Ethernet Routing Switch 5500 Series switch supports only 11 interface applications per port.

Important

Only the ERS 5500 unit and only ERS 5500 ports have this tab available.

## Procedure steps

1. From the navigation tree, double-click QoS.

2. From the QoS tree, double-click QoS.

3. Select the Interface Apps tab.

## Variable definitions

The following table outlines the parameters of the Interface Apps tab.

Table 1. QoS Interface Apps tab parameters
Variable | Value
--- | ---
IfIndex | Specifies the ports that this QoS application applies to.
AppEnable | Specifies the applications enabled for the interface (port) specified in IfIndex field.
DefaultGateway | Specifies the default gateway configured for the arpSpoofing application. The default gateway cannot be directly modified. To modify the default gateway for the arpSpoofing application, do the following: Double-click the AppEnable field and de-select arpSpoofing. Click Apply. Double-click the AppEnable field, select arpSpoofing, and edit the DefaultGateway field. Click Apply.
IfType | Specifies the interface type configured for the dhcpSnooping application.
DHCPServer | Specifies the DHCP server configured for the dhcpSpoofing application. The DHCP server cannot be directly modified. To modify the DHCP server for the dhcpSpoofing application, do the following: Double-click the AppEnable field and de-select dhcpSpoofing. Click Apply. Double-click the AppEnable field, select dhcpSpoofing, and edit the DHCPServer field. Click Apply.

This section contains information about the following topics:

- Adding an interface application

- Deleting an interface application