R1 -  show run
R1#show run
Building configuration...

Current configuration : 7168 bytes
!
! Last configuration change at 15:08:46 UTC Mon Jan 19 2026
!
version 17.6
service timestamps debug datetime msec
service timestamps log datetime msec
! Call-home is enabled by Smart-Licensing.
service call-home
platform qfp utilization monitor load 80
platform punt-keepalive disable-kernel-core
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
!
!
!
!
!
!
!
no ip domain lookup
ip dhcp excluded-address 172.16.10.1 172.16.10.11
ip dhcp excluded-address 172.16.20.1 172.16.20.11
!
ip dhcp pool Academics
 network 172.16.10.0 255.255.255.0
 default-router 172.16.10.1
 dns-server 1.1.1.1
!
ip dhcp pool Students
 network 172.16.20.0 255.255.255.0
 dns-server 1.1.1.1
 default-router 172.16.20.1
!
!
!
login on-success log
!
!
!
!
!
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subscriber templating
multilink bundle-name authenticated
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!
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crypto pki trustpoint TP-self-signed-1344490233
 enrollment selfsigned
 subject-name cn=IOS-Self-Signed-Certificate-1344490233
 revocation-check none
 rsakeypair TP-self-signed-1344490233
!
crypto pki trustpoint SLA-TrustPoint
 enrollment pkcs12
 revocation-check crl
!
!
crypto pki certificate chain TP-self-signed-1344490233
 certificate self-signed 01
  30820330 30820218 A0030201 02020101 300D0609 2A864886 F70D0101 05050030
  31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274
  69666963 6174652D 31333434 34393032 3333301E 170D3236 30313139 31323331
  35305A17 0D333630 31313931 32333135 305A3031 312F302D 06035504 03132649
  4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D31 33343434
  39303233 33308201 22300D06 092A8648 86F70D01 01010500 0382010F 00308201
  0A028201 0100F18A 5DCAB66B 1ACF00AB 505E6B06 5D6C4B29 59054ABB DA0BBCB4
  D528671A ACCDE0A2 2EED76E9 5F3806F8 4015D24E 77AA407A 94352CAA F5C20257
  4F5B3A58 910F45D4 570EA92A 939DE048 B1A10A9C C59041B0 D2E7306D 080B841F
  A3D6262A BD537B34 7C03A844 D899639D 8A2B59D6 644DEE28 5746AFD3 7BE3CF8A
  C377A551 36F3E844 8AE93932 7CD500AA 16769DA1 F8A22DD1 29538753 1E1BD92A
  EC9E5756 5D1565DB 68D1A221 890878A2 DC357EBC 38F818AC 6F13C430 26EAD216
  A7A152A9 49B2E3D2 455A50AD 02D74FC2 7E734B71 BACB952D C0C94D21 07E0E6A2
  5CF7E435 08A28813 19580230 3EE99476 3279E98B 2827BA17 F4A82879 43B4D075
  A187573F B4230203 010001A3 53305130 0F060355 1D130101 FF040530 030101FF
  301F0603 551D2304 18301680 1457D3DE 758AC4CD A71A575B 680E3E24 79D1CF50
  E2301D06 03551D0E 04160414 57D3DE75 8AC4CDA7 1A575B68 0E3E2479 D1CF50E2
  300D0609 2A864886 F70D0101 05050003 82010100 BBB8A880 D81FA6FD 8C70550C
  1441CAD7 D460348B 8BDCF7A2 F44BE34F BB2B5E5C C7301FD4 CDF28A6A 9A1FBD20
  E19112B5 673EF1EA 0379939C 90F04135 278B7959 290E0CBC DD10DC3C 9F6817B9
  AADE3227 08E63571 D125742F B4B103ED D4B63CAD 6603AECC 1BEB800D E48ECD08
  4905D4A2 865E71CE BBEC193F 672DF69A 6176BE24 43C0EF1D 3F110F18 538D89C7
  7B48C35F 624E3C24 F1748AA8 B5C57312 D9A427A5 FA288AD1 B309BD3C A41C62FB
  4C8DE447 EB7467EC B1ADCF17 06C610BC 4E6CC438 A286BF90 C7285421 0BA5E055
  9152D988 7055DA12 6853AED7 19BE1FFC 828067E7 FBF422D8 8561CB88 26D31624
  075B2639 50861BBB 57155C6D 5FE7BF5F 5CDE710E
        quit
crypto pki certificate chain SLA-TrustPoint
 certificate ca 01
  30820321 30820209 A0030201 02020101 300D0609 2A864886 F70D0101 0B050030
  32310E30 0C060355 040A1305 43697363 6F312030 1E060355 04031317 43697363
  6F204C69 63656E73 696E6720 526F6F74 20434130 1E170D31 33303533 30313934
  3834375A 170D3338 30353330 31393438 34375A30 32310E30 0C060355 040A1305
  43697363 6F312030 1E060355 04031317 43697363 6F204C69 63656E73 696E6720
  526F6F74 20434130 82012230 0D06092A 864886F7 0D010101 05000382 010F0030
  82010A02 82010100 A6BCBD96 131E05F7 145EA72C 2CD686E6 17222EA1 F1EFF64D
  CBB4C798 212AA147 C655D8D7 9471380D 8711441E 1AAF071A 9CAE6388 8A38E520
  1C394D78 462EF239 C659F715 B98C0A59 5BBB5CBD 0CFEBEA3 700A8BF7 D8F256EE
  4AA4E80D DB6FD1C9 60B1FD18 FFC69C96 6FA68957 A2617DE7 104FDC5F EA2956AC
  7390A3EB 2B5436AD C847A2C5 DAB553EB 69A9A535 58E9F3E3 C0BD23CF 58BD7188
  68E69491 20F320E7 948E71D7 AE3BCC84 F10684C7 4BC8E00F 539BA42B 42C68BB7
  C7479096 B4CB2D62 EA2F505D C7B062A4 6811D95B E8250FC4 5D5D5FB8 8F27D191
  C55F0D76 61F9A4CD 3D992327 A8BB03BD 4E6D7069 7CBADF8B DF5F4368 95135E44
  DFC7C6CF 04DD7FD1 02030100 01A34230 40300E06 03551D0F 0101FF04 04030201
  06300F06 03551D13 0101FF04 05300301 01FF301D 0603551D 0E041604 1449DC85
  4B3D31E5 1B3E6A17 606AF333 3D3B4C73 E8300D06 092A8648 86F70D01 010B0500
  03820101 00507F24 D3932A66 86025D9F E838AE5C 6D4DF6B0 49631C78 240DA905
  604EDCDE FF4FED2B 77FC460E CD636FDB DD44681E 3A5673AB 9093D3B1 6C9E3D8B
  D98987BF E40CBD9E 1AECA0C2 2189BB5C 8FA85686 CD98B646 5575B146 8DFC66A8
  467A3DF4 4D565700 6ADF0F0D CF835015 3C04FF7C 21E878AC 11BA9CD2 55A9232C
  7CA7B7E6 C1AF74F6 152E99B7 B1FCF9BB E973DE7F 5BDDEB86 C71E3B49 1765308B
  5FB0DA06 B92AFE7F 494E8A9E 07B85737 F3A58BE1 1A48A229 C37C1E69 39F08678
  80DDCD16 D6BACECA EEBC7CF9 8428787B 35202CDC 60E4616A B623CDBD 230E3AFB
  418616A9 4093E049 4D10AB75 27E86F73 932E35B5 8862FDAE 0275156F 719BB2F0
  D697DF7F 28
        quit
!
!
license udi pid C8200L-1N-4T sn FGL2725L1NM
memory free low-watermark processor 67482
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diagnostic bootup level minimal
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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
!
interface Loopback12
 ip address 192.168.12.1 255.255.255.0
!
interface Loopback13
 ip address 192.168.13.1 255.255.255.0
!
interface GigabitEthernet0/0/0
 no ip address
 shutdown
 negotiation auto
!
interface GigabitEthernet0/0/1
 no ip address
 negotiation auto
!
interface GigabitEthernet0/0/1.10
 encapsulation dot1Q 10
 ip address 172.16.10.1 255.255.255.0
!
interface GigabitEthernet0/0/1.20
 encapsulation dot1Q 20
 ip address 172.16.20.1 255.255.255.0
!
interface GigabitEthernet0/0/1.30
 encapsulation dot1Q 30
 ip address 172.16.30.1 255.255.255.0
!
interface GigabitEthernet0/0/1.99
 encapsulation dot1Q 99
 ip address 172.16.99.1 255.255.255.0
!
interface GigabitEthernet0/0/2
 no ip address
 shutdown
 negotiation auto
!
interface GigabitEthernet0/0/3
 no ip address
 shutdown
 negotiation auto
!
interface Serial0/1/0
 bandwidth 1024
 ip address 1.1.1.1 255.255.255.252
!
interface Serial0/1/1
 no ip address
 shutdown
!
!
router eigrp 100
 network 0.0.0.0
 passive-interface GigabitEthernet0/0/1.10
 passive-interface GigabitEthernet0/0/1.20
 passive-interface GigabitEthernet0/0/1.30
 passive-interface GigabitEthernet0/0/1.99
 passive-interface Loopback11
 passive-interface Loopback12
 passive-interface Loopback13
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ip http server
ip http authentication local
ip http secure-server
ip forward-protocol nd
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control-plane
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line con 0
 stopbits 1
line aux 0
line vty 0 4
 login
 transport input ssh
line vty 5 14
 login
 transport input ssh
!
call-home
 ! If contact email address in call-home is configured as sch-smart-licensing@cisco.com
 ! the email address configured in Cisco Smart License Portal will be used as contact email address to send SCH notifications.
 contact-email-addr sch-smart-licensing@cisco.com
 profile "CiscoTAC-1"
  active
  destination transport-method http
!
!
!
!
!
!
end

R1#show ip int brief
Interface              IP-Address      OK? Method Status                Protocol
GigabitEthernet0/0/0   unassigned      YES unset  administratively 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
GigabitEthernet0/0/2   unassigned      YES unset  administratively down down
GigabitEthernet0/0/3   unassigned      YES unset  administratively down down
Serial0/1/0            1.1.1.1         YES manual down                  down
Serial0/1/1            unassigned      YES unset  administratively 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#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, m - OMP
       n - NAT, Ni - NAT inside, No - NAT outside, Nd - NAT DIA
       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
       H - NHRP, G - NHRP registered, g - NHRP registration summary
       o - ODR, P - periodic downloaded static route, l - LISP
       a - application route
       + - replicated route, % - next hop override, p - overrides from PfR
       & - replicated local route overrides by connected

Gateway of last resort is not set

      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