Cisco Systems OL-31454-01 Manual De Usuario

! 

interface GigabitEthernet0/0 

 description GE int to HR group

 ip address 172.16.3.3 255.255.255.0

 duplex auto 

 speed auto 

 no shutdown

!

Router# show ip interface brief 

Interface                  IP-Address      OK? Method Status                Protocol

GigabitEthernet0/0            172.16.3.3      YES NVRAM  up                    up

GigabitEthernet0/1            unassigned      YES NVRAM  administratively down down

Router#

This section describes how to specify a default route with IP routing enabled. For alternative methods of 
specifying a default route, see 

.

The Cisco IOS software uses the gateway (router) of last resort if it does not have a better route for a 
packet and if the destination is not a connected network. This section describes how to select a network 
as a default route (a candidate route for computing the gateway of last resort). The way in which routing 
protocols propagate the default route information varies for each protocol. 

For comprehensive configuration information about IP routing and IP routing protocols, see 

 on www.cisco.com.

You can configure integrated routing and bridging (IRB) so the router can route and bridge 
simultaneously. The router acts as an IP host on the network whether routing is enabled or not.

To read more about IRB, see the following URL:

IP routing is automatically enabled in the Cisco IOS software. When IP routing is configured, the system 
uses a configured or learned route to forward packets, including a configured default route.

This task section does not apply when IP routing is disabled. To specify a default route when IP routing 
is disabled, see 

 on www.cisco.com.