# Configuring global IP routing status and ARP lifetime

Use the following procedure to enable and disable global routing at the switch level. By default, routing is disabled.

## Procedure steps

1. From the navigation pane, double-click IP.

2. In the IP tree, click IP.

3. In the IP work area, click the Globals tab.

4. Select forwarding in the Forwarding field to enable routing.

5. Enter the ARP life time in the ARPLifeTime field.

6. On the toolbar, click Apply.

7. On the toolbar, you can click Refresh to verify the global IP routing and ARP lifetime configuration.

## Variable definitions

The following table describes the fields of the Globals tab.

Field | Description
--- | ---
Forwarding | Indicates whether routing is enabled (forwarding) or disabled (nonforwarding) on the switch.
DefaultTTL | Indicates the default time-to-live (TTL) value for a routed packet. TTL is the maximum number of seconds elapsed before a packet is discarded. The value is inserted in the TTL field of the IP header of datagrams when one is not supplied by the transport layer protocol. Range is 1–255. Default value is 64 seconds. This is a read only field.
ReasmTimeout | Indicates the maximum number of seconds that received fragments are held while they await reassembly at this entity. Default value is 60 seconds. This is a read only field.
ARPLifeTime | Specifies the lifetime in minutes of an ARP entry within the system. Range is 5-360. Default is 360 minutes.
AdminEnabled | Enables and disables forwarding next hop.
OperEnabled | A read only field indicating the current operational status of forwarding next hop: true (enabled) or false (disabled).
DirectedBroadcast | Enables and disables IP directed broadcast