Chapter 27
| IP Interface Commands
IPv4 Interface
– 654 –
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.
◆
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.
Example
The following example defines a default gateway for this device:
Console(config)#ip default-gateway 192.168.0.1
Console(config)#
Related Commands
ip address (652)
ip route (690)
ipv6 default-gateway (663)
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