Chapter 5 Configuring the system 97Nortel VPN Router Configuration — Basic Features4 MAC Pause (Ethernet packet flow control) section enables the Nortel VPNRouter to automatically adjust and control the flow of incoming and/oroutgoing packets from any standard speed LAN device.Check to enable MAC Pause (Frame-based flow control) on the selectedinterface port.When enabled, specify the appropriate Pause parameters to be set in thehardware.5 Specify a value for MAC Pause Ticks.6 Select a value from the Free Receive FIFO Threshold list. The default is 0.7 Select Enabled or Disabled for the 802.1Q VLAN setting. Enabling 802.1QVLAN requires that you set this option to Enabled and then click OK. Thistakes you back to the System > LAN window.8 Enter an identification number for a VLAN ID in the range 1 - 4094,inclusive. This is the VLAN identifier for the interface VLAN. The defaultvalue is 1.9 Select Accept Untagged to accept Ingress inbound frames untagged orDiscard Untagged to drop them.10 Select Tagged too tag Egress (outbound) frames. Untagged is default.11 Click Configure Subinterfaces to configure and to view existing VLANsubinterfaces on the selected interface.12 Click Subinterface Statistics to view current statistical information about theselected VLAN subinterface.MultinettingYou configure multinetting on the LAN port using either the System > LANwindow or on the CLI. Multinetting requires a primary interface that must bepresent before adding secondary addresses. However, in a configuration whereboth primary and secondary addresses are defined, changing the primary addressis not possible.All secondary addresses must be deleted before the primary address can bechanged.