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Enabling IP forwarding

In Device Manager, the IP address of any physical or virtual router interface can be used for IP-based network management (SNMP, Telnet, and Web).

To enable IP forwarding:

  1. From the Device Manager menu bar, choose IP Routing > IP.
    2. The IP dialog box opens with the Globals tab displayed.

The table below describes the Globals tab items.


Item Description
Forwarding
Sets the switch for IP forwarding (routing) or nonforwarding. The default is forwarding.
DefaultTTL
The default value inserted in the Time-To-Live (TTL) field of the IP header of datagrams originated by the routing switch whenever a TTL value is not supplied by the transport layer protocol. Default is 255 seconds.
ReasmTimeout
The maximum number of seconds that received fragments are held while they are awaiting reassembly of this entity. This value cannot be changed by the user.
ARPLifeTime
The lifetime of an ARP entry within the system, global to the switch. Default is 360 minutes.
ICMPNetUnreachableEnable
If checked, enables the generation of Internet Control Message Protocol (ICMP) net unreachable messages if the destination network is reachable from this router. These messages assist in determining if the routing switch is reachable over the network.

  1. Select forwarding in the Forwarding check box.
  2. Click Apply.
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