Advertise the Default BGP4 Route to a Specific Neighbor

Access global configuration mode.
```
device# configure terminal
```
Access BGP configuration mode.
```
device(config)# router bgp
```
Specify the autonomous system in which your device resides.
```
device(config-bgp-router)# local-as 1000
```
Access address-family IPv4 unicast configuration mode.
```
device(config-bgp-router)# address-family ipv4 unicast
```
Enable the BGP4 device to advertise the default IPv4 route to a specific neighbor.
```
device(config-bgp-ipv4u)# neighbor 10.4.4.4 default-originate
```
This example enables the device to advertise the default route to the 10.4.4.4 neighbor.

This example summarizes the commands in this procedure.

device# configure terminal
device(config)# router bgp
device(config-bgp-router)# local-as 1000
device(config-bgp-router)# address-family ipv4 unicast
device(config-bgp-ipv4u)# neighbor 10.4.4.4 default-originate