R11#show running-config | section interface
interface Tunnel100
 bandwidth 4000
 ip address 192.168.100.11 255.255.255.0
 no ip redirects
 ip mtu 1400
 no ip split-horizon eigrp 100
 ip nhrp map multicast dynamic
 ip nhrp network-id 100
 ip tcp adjust-mss 1360
 tunnel source GigabitEthernet0/0
 tunnel mode gre multipoint
 tunnel key 100
interface GigabitEthernet0/0
 ip address 172.16.11.1 255.255.255.0
 no ip split-horizon eigrp 100
 duplex auto
 speed auto
 media-type rj45
interface GigabitEthernet0/1
 ip address 10.1.1.1 255.255.255.0
 duplex auto
 speed auto
 media-type rj45
interface GigabitEthernet0/2
 no ip address
 duplex auto
 speed auto
 media-type rj45
interface GigabitEthernet0/3
 no ip address
 duplex auto
 speed auto
 media-type rj45
R11# show run
R11# show running-config
Building configuration...

Current configuration : 3648 bytes
!
! Last configuration change at 21:13:54 UTC Sat Jul 17 2021
!
version 15.6
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R11
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
ethernet lmi ce
!
!
!
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
!
!
!
!
!
!
!
!
!
!
!
ip cef
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
redundancy
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Tunnel100
 bandwidth 4000
 ip address 192.168.100.11 255.255.255.0
 no ip redirects
 ip mtu 1400
 no ip split-horizon eigrp 100
 ip nhrp map multicast dynamic
 ip nhrp network-id 100
 ip tcp adjust-mss 1360
 tunnel source GigabitEthernet0/0
 tunnel mode gre multipoint
 tunnel key 100
!
interface GigabitEthernet0/0
 ip address 172.16.11.1 255.255.255.0
 no ip split-horizon eigrp 100
 duplex auto
 speed auto
 media-type rj45
!
interface GigabitEthernet0/1
 ip address 10.1.1.1 255.255.255.0
 duplex auto
 speed auto
 media-type rj45
!
interface GigabitEthernet0/2
 no ip address
 duplex auto
 speed auto
 media-type rj45
!
interface GigabitEthernet0/3
 no ip address
 duplex auto
 speed auto
 media-type rj45
!
!
router eigrp NHRP
 !
 address-family ipv4 unicast autonomous-system 100
  !
  topology base
  exit-af-topology
  network 10.1.1.1 0.0.0.0
  network 192.168.100.11 0.0.0.0
 exit-address-family
!
router ospf 1
 network 172.16.11.1 0.0.0.0 area 0
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
ip access-list extended TEST
 deny   ip 10.2.2.0 0.0.0.255 host 192.168.100.31
 deny   ip 10.2.2.0 0.0.0.255 host 172.16.31.1
 permit ip any any
!
!
!
!
control-plane
!
banner exec ^C
**************************************************************************
* IOSv is strictly limited to use for evaluation, demonstration and IOS  *
* education. IOSv is provided as-is and is not supported by Cisco's      *
* Technical Advisory Center. Any use or disclosure, in whole or in part, *
* of the IOSv Software or Documentation to any third party for any       *
* purposes is expressly prohibited except as otherwise authorized by     *
* Cisco in writing.                                                      *
**************************************************************************^C
banner incoming ^C
**************************************************************************
* IOSv is strictly limited to use for evaluation, demonstration and IOS  *
* education. IOSv is provided as-is and is not supported by Cisco's      *
* Technical Advisory Center. Any use or disclosure, in whole or in part, *
* of the IOSv Software or Documentation to any third party for any       *
* purposes is expressly prohibited except as otherwise authorized by     *
* Cisco in writing.                                                      *
**************************************************************************^C
banner login ^C
**************************************************************************
* IOSv is strictly limited to use for evaluation, demonstration and IOS  *
* education. IOSv is provided as-is and is not supported by Cisco's      *
* Technical Advisory Center. Any use or disclosure, in whole or in part, *
* of the IOSv Software or Documentation to any third party for any       *
* purposes is expressly prohibited except as otherwise authorized by     *
* Cisco in writing.                                                      *
**************************************************************************^C
!
line con 0
line aux 0
line vty 0 4
 login
 transport input none
!
no scheduler allocate
!
end