R1#show run
Building configuration...


Current configuration : 2397 bytes
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! Last configuration change at 11:03:18 UTC Mon Jan 19 2026
!
version 16.6
service timestamps debug datetime msec
service timestamps log datetime msec
platform qfp utilization monitor load 80
no platform punt-keepalive disable-kernel-core
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hostname R1
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boot-start-marker
boot-end-marker
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vrf definition Mgmt-intf
 !
 address-family ipv4
 exit-address-family
 !
 address-family ipv6
 exit-address-family
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no aaa new-model
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no ip domain lookup
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ip dhcp pool Lan10
 network 172.16.10.0 255.255.255.0
 default-router 172.16.10.1
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ip dhcp pool lan20
 network 172.16.20.0 255.255.255.0
 default-router 172.16.20.1
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subscriber templating
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multilink bundle-name authenticated
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license udi pid ISR4321/K9 sn FDO23230M0N
diagnostic bootup level minimal
spanning-tree extend system-id
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redundancy
 mode none
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interface Loopback11
 ip address 192.168.11.1 255.255.255.0
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interface Loopback12
 ip address 192.168.12.1 255.255.255.0
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interface Loopback13
 ip address 192.168.13.1 255.255.255.0
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interface GigabitEthernet0/0/0
 no ip address
 negotiation auto
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interface GigabitEthernet0/0/1
 no ip address
 negotiation auto
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interface GigabitEthernet0/0/1.10
 encapsulation dot1Q 10
 ip address 172.16.10.1 255.255.255.0
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interface GigabitEthernet0/0/1.20
 encapsulation dot1Q 20
 ip address 172.16.20.1 255.255.255.0
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interface GigabitEthernet0/0/1.30
 encapsulation dot1Q 30
 ip address 172.16.30.1 255.255.255.0
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interface GigabitEthernet0/0/1.99
 encapsulation dot1Q 99
 ip address 172.16.99.1 255.255.255.0
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interface Serial0/1/0
 ip address 1.1.1.1 255.255.255.252
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interface Serial0/1/1
 no ip address
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interface Serial0/2/0
 no ip address
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interface Serial0/2/1
 no ip address
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interface GigabitEthernet0
 vrf forwarding Mgmt-intf
 no ip address
 negotiation auto
!
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router eigrp 100
 network 1.1.1.0 0.0.0.3
 network 1.1.1.4 0.0.0.3
 network 172.16.10.0 0.0.0.255
 network 172.16.20.0 0.0.0.255
 network 172.16.30.0 0.0.0.255
 network 172.16.99.0 0.0.0.255
 passive-interface Loopback11
 passive-interface Loopback12
 passive-interface Loopback13
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ip forward-protocol nd
no ip http server
ip http secure-server
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control-plane
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line con 0
 transport input none
 stopbits 1
line aux 0
 stopbits 1
line vty 0 4
 login
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wsma agent exec
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wsma agent config
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wsma agent filesys
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wsma agent notify
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!
end

R1#
R1#SHOW IP INT BRIEF
Interface              IP-Address      OK? Method Status                Protocol
GigabitEthernet0/0/0   unassigned      YES unset  down                  down
GigabitEthernet0/0/1   unassigned      YES unset  up                    up
Gi0/0/1.10             172.16.10.1     YES manual up                    up
Gi0/0/1.20             172.16.20.1     YES manual up                    up
Gi0/0/1.30             172.16.30.1     YES manual up                    up
Gi0/0/1.99             172.16.99.1     YES manual up                    up
Serial0/1/0            1.1.1.1         YES manual up                    up
Serial0/1/1            unassigned      YES unset  down                  down
Serial0/2/0            unassigned      YES unset  down                  down
Serial0/2/1            unassigned      YES unset  down                  down
GigabitEthernet0       unassigned      YES unset  down                  down
Loopback11             192.168.11.1    YES manual up                    up
Loopback12             192.168.12.1    YES manual up                    up
Loopback13             192.168.13.1    YES manual up                    up
R1#


R1#show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
       a - application route
       + - replicated route, % - next hop override, p - overrides from PfR

Gateway of last resort is not set

      1.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
C        1.1.1.0/30 is directly connected, Serial0/1/0
L        1.1.1.1/32 is directly connected, Serial0/1/0
D        1.1.1.4/30 [90/2304000] via 1.1.1.2, 00:51:01, Serial0/1/0
      172.16.0.0/16 is variably subnetted, 8 subnets, 2 masks
C        172.16.10.0/24 is directly connected, GigabitEthernet0/0/1.10
L        172.16.10.1/32 is directly connected, GigabitEthernet0/0/1.10
C        172.16.20.0/24 is directly connected, GigabitEthernet0/0/1.20
L        172.16.20.1/32 is directly connected, GigabitEthernet0/0/1.20
C        172.16.30.0/24 is directly connected, GigabitEthernet0/0/1.30
L        172.16.30.1/32 is directly connected, GigabitEthernet0/0/1.30
C        172.16.99.0/24 is directly connected, GigabitEthernet0/0/1.99
L        172.16.99.1/32 is directly connected, GigabitEthernet0/0/1.99
      192.168.11.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.11.0/24 is directly connected, Loopback11
L        192.168.11.1/32 is directly connected, Loopback11
      192.168.12.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.12.0/24 is directly connected, Loopback12
L        192.168.12.1/32 is directly connected, Loopback12
      192.168.13.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.13.0/24 is directly connected, Loopback13
L        192.168.13.1/32 is directly connected, Loopback13
R1#
