Nokia Network Voyager Reference Guide for IPSO 6.0 - Check Point

GRE Tunnels3. Select a value from the TOS value drop-down window.Click Apply.On GRE tunnels, it is desirable to copy or specify the TOS bits when the router encapsulatesthe packet. After you select the TOS value, intermediate routers between the tunnelendpoints may take advantage of the QoS features and possibly improve the routing ofimportant packets. By default, the TOS bits are copied from the inner IP header to theencapsulating IP header.If the desired TOS value is not displayed in the drop-down window, select CUSTOM VALUEfrom the menu.Click Apply. An entry field appears.4. (Optional) If you selected custom value from the TOS value drop-down window, enter avalue in the range of 0-255.Click Apply.5. Click Save to make your changes permanent.GRE Tunnel ExampleThe following steps provide directions on how to configure a sample GRE tunnel. The followingfigure below shows the network configuration for this example.Internet192.68.26.65/30192.68.26.74/30Nokia Platform192.68.22.0/2410.0.0.1 VPN Tunnel10.0.0.2Nokia Platform192.68.23.0/24Remote PCsSite ARemote PCsSite B1. Click Interfaces under Configuration > Interface Configuration in the tree view.2. Click Tunnels in the Physical column.3. Click the drop-down window in the Create a new tunnel interface with encapsulation fieldand select GRE.00001Nokia Network Voyager Reference Guide for IPSO 6.0 45