show run
Building configuration...

Current configuration : 2115 bytes
!
! Last configuration change at 23:37:00 UTC Tue Mar 27 2018
!
version 15.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname R1
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boot-start-marker
boot-end-marker
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no aaa new-model
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ip dhcp pool accounting
 network 192.168.21.0 255.255.255.0
 default-router 192.168.21.1
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ip dhcp pool engineering
 network 192.168.23.0 255.255.255.0
 default-router 192.168.23.1
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ip dhcp pool managemant
 network 192.168.99.0 255.255.255.0
 default-router 192.168.99.1
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ip dhcp pool accfounting
 default-router 192.168.21.1
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!
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no ip domain lookup
ip cef
ipv6 unicast-routing
ipv6 cef
multilink bundle-name authenticated
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cts logging verbose
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license udi pid CISCO1941/K9 sn FCZ212540C7
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redundancy
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interface Embedded-Service-Engine0/0
 no ip address
 shutdown
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interface GigabitEthernet0/0
 no ip address
 duplex auto
 speed auto
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interface GigabitEthernet0/0.21
 encapsulation dot1Q 21
 ip address 192.168.21.1 255.255.255.0
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interface GigabitEthernet0/0.23
 encapsulation dot1Q 23
 ip address 192.168.23.1 255.255.255.0
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interface GigabitEthernet0/0.55
 encapsulation dot1Q 55 native
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interface GigabitEthernet0/0.99
 encapsulation dot1Q 99
 ip address 192.168.99.1 255.255.255.0
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interface GigabitEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
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interface Serial0/0/0
 ip address 172.16.1.1 255.255.255.252
 shutdown
 ipv6 address 2001:DB8:ACAD:1::/64
 clock rate 64000
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interface Serial0/0/1
 no ip address
 shutdown
 clock rate 2000000
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router rip
 version 2
 network 172.16.0.0
 network 192.168.10.0
 network 192.168.20.0
 network 192.168.21.0
 network 192.168.23.0
 network 192.168.99.0
 network 209.165.200.0
 no auto-summary
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ip forward-protocol nd
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no ip http server
no ip http secure-server
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control-plane
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line con 0
line aux 0
line 2
 no activation-character
 no exec
 transport preferred none
 transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
 stopbits 1
line vty 0 4
 login
 transport input none
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scheduler allocate 20000 1000
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end



1#sh ip interface br
R1#sh ip interface brief
Interface                  IP-Address      OK? Method Status                Protocol
Embedded-Service-Engine0/0 unassigned      YES unset  administratively down down
GigabitEthernet0/0         unassigned      YES unset  down                  down
GigabitEthernet0/0.10      unassigned      YES manual deleted               down
GigabitEthernet0/0.20      unassigned      YES manual deleted               down
GigabitEthernet0/0.21      192.168.21.1    YES manual up                    up
GigabitEthernet0/0.23      192.168.23.1    YES manual up                    up
GigabitEthernet0/0.55      unassigned      YES unset  down                 down
GigabitEthernet0/0.99      192.168.99.1    YES manual down                  up
GigabitEthernet0/1         unassigned      YES unset  administratively down down
Serial0/0/0                172.16.1.1      YES manual administratively down down
Serial0/0/1                unassigned      YES unset  administratively down down
R1#