RP/0/0/CPU0:XR3#show running-config
Fri Oct 21 00:33:26.618 UTC
Building configuration...
!! IOS XR Configuration 5.3.2
!! Last configuration change at Thu Oct 20 20:02:20 2016 by cisco
!
hostname XR3
logging console debugging
logging buffered 9999999
logging buffered debugging
service timestamps log datetime msec
service timestamps debug datetime msec
line console
 exec-timeout 0 0
 transport preferred none
!
interface Loopback0
 ipv4 address 10.123.255.33 255.255.255.255
!
interface GigabitEthernet0/0/0/0
 carrier-delay up 0 down 0
 load-interval 30
!
interface GigabitEthernet0/0/0/0.123
 ipv4 address 10.123.0.1 255.255.255.254
 encapsulation dot1q 123
 logging events link-status
!
end