Chapter 25
| IP Interface Commands
IPv4 Interface
– 540 –
Related Commands
ip dhcp restart client (532)
ip default-gateway (540)
ipv6 address (550)
ip default-gateway This command specifies the default gateway for destinations not found in local
routing tables. Use the no form to remove a default gateway.
Syntax
ip default-gateway gateway
no ip default-gateway
gateway - IP address of the default gateway
Default Setting
No default gateway is established.
Command Mode
Global Configuration
Command Usage
◆ The default gateway can also be defined using the following Global
configuration command: ip route 0.0.0.0 0.0.0.0 gateway-address.
◆ Static routes can also be defined using the ip route command to ensure that
traffic to the designated address or subnet passes through a preferred gateway.
◆ A default gateway can only be successfully set when a network interface that
directly connects to the gateway has been configured on the router.
◆ A gateway must be defined if the management station is located in a different
IP segment.
◆ The same link-local address may be used by different interfaces/nodes in
different zones (RFC 4007). Therefore, when specifying a link-local address for a
default gateway, include zone-id information indicating the VLAN identifier
after the % delimiter. For example, FE80::7272%1 identifies VLAN 1 as the
interface from which the ping is sent.
Example
The following example defines a default gateway for this device:
Console(config)#ip default-gateway 10.1.1.254
Console(config)#
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