R3 - running-config

R3#show run
Building configuration...

Current configuration : 6143 bytes
!
! Last configuration change at 15:02:23 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 R3
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
!
!
!
!
!
!
!
no ip domain lookup
!
!
!
login on-success log
!
!
!
!
!
!
!
subscriber templating
multilink bundle-name authenticated
!
!
!
crypto pki trustpoint TP-self-signed-124253181
 enrollment selfsigned
 subject-name cn=IOS-Self-Signed-Certificate-124253181
 revocation-check none
 rsakeypair TP-self-signed-124253181
!
crypto pki trustpoint SLA-TrustPoint
 enrollment pkcs12
 revocation-check crl
!
!
crypto pki certificate chain TP-self-signed-124253181
 certificate self-signed 01
  3082032E 30820216 A0030201 02020101 300D0609 2A864886 F70D0101 05050030
  30312E30 2C060355 04031325 494F532D 53656C66 2D536967 6E65642D 43657274
  69666963 6174652D 31323432 35333138 31301E17 0D323630 31313931 32333631
  335A170D 33363031 31393132 33363133 5A303031 2E302C06 03550403 1325494F
  532D5365 6C662D53 69676E65 642D4365 72746966 69636174 652D3132 34323533
  31383130 82012230 0D06092A 864886F7 0D010101 05000382 010F0030 82010A02
  82010100 A055A7A5 115752A7 4175B0AE C42C327E 115477DB 21041385 28CCD91F
  16CCAE1F 25E63928 4AA91A77 D770A3C8 49DC840D B8C378FA BAE589E6 89CCBFF0
  AF877A0D C608AE61 B40C7BEC B1EAB892 579D7666 0E681583 8FB405EC B4A0AB89
  45F8AD25 61FF282B 203ACC49 36FED18C 9BED2BC6 5BFF696A F1AC1D14 22509409
  9EF5C06F 35064F37 752C4E36 31E61206 4126795D 32144204 E4093E35 2505417D
  E35F98F7 C38527FF 63BC2D1F CC505459 767A4B0E D50B1A05 4FC82DB1 1BFA8A71
  C4EA3D2C 2F7A6A85 4F4902F1 836F1E4D 7ECE267C FDAAEFCF B3D9F5A7 730AAAA9
  733735C0 0817D879 BB173AFC E101E09C 53D6B62C 86584DE4 F018E19B B3DF7B02
  A55697A5 02030100 01A35330 51300F06 03551D13 0101FF04 05300301 01FF301F
  0603551D 23041830 168014F4 4844A0C6 916E1EC8 8C0B3371 05B2625B 0A759A30
  1D060355 1D0E0416 0414F448 44A0C691 6E1EC88C 0B337105 B2625B0A 759A300D
  06092A86 4886F70D 01010505 00038201 01006229 5884D6BD F3CCF490 A018FAA6
  261DA943 DED7A334 1D649880 1CD12895 11682B0F 8609E6B7 47578C45 5E96E1F9
  66526555 B8F9A38E A22EF5DF 4A421B48 5A4D2E8A C6C8EAE9 C467CFE7 7CEBF887
  1E24662E 3159AD7E 99ED9CC9 85F9AA30 3FDB03F2 BC16BC4F 21AC48E3 70FD8897
  E62DF9FD 4CE58E28 48E21115 12609286 0C827179 2F049896 6A4C9748 48D92610
  73D54DA6 DD47CAAF 5AC9B3EC F77D2579 EF372907 35829A33 E68CA30E F0F9CF94
  FEBEA9DE DA2A7EE4 F3C62847 7FEC5CBC 12020392 D2093BE8 07895442 6CBF15C7
  45B27A73 88B75DB5 CA44B547 E15CB3DA A844F755 3BAE7887 39FA425B BC1783DE
  5A0CD53F BD27771C 2A302C6A 888E5B2C 10D0
        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 FGL2725L1TD
memory free low-watermark processor 67482
!
diagnostic bootup level minimal
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spanning-tree extend system-id
!
!
redundancy
 mode none
!
!
!
!
!
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!
!
interface Loopback100
 ip address 100.100.100.241 255.255.255.0
!
interface GigabitEthernet0/0/0
 no ip address
 shutdown
 negotiation auto
!
interface GigabitEthernet0/0/1
 no ip address
 shutdown
 negotiation auto
!
interface GigabitEthernet0/0/2
 no ip address
 shutdown
 negotiation auto
!
interface GigabitEthernet0/0/3
 no ip address
 shutdown
 negotiation auto
!
interface Serial0/1/0
 no ip address
 shutdown
!
interface Serial0/1/1
 bandwidth 1024
 ip address 1.1.1.6 255.255.255.252
!
!
router eigrp 100
 network 1.1.1.4 0.0.0.3
 redistribute static
!
ip http server
ip http authentication local
ip http secure-server
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Loopback100
!
!
!
!
!
!
control-plane
!
!
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

R3#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  administratively down down
GigabitEthernet0/0/2   unassigned      YES unset  administratively down down
GigabitEthernet0/0/3   unassigned      YES unset  administratively down down
Serial0/1/0            unassigned      YES unset  administratively down down
Serial0/1/1            1.1.1.6         YES manual up                    up
Loopback100            100.100.100.241 YES manual up                    up

R3#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 0.0.0.0 to network 0.0.0.0

S*    0.0.0.0/0 is directly connected, Loopback100
      1.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
D        1.1.1.0/30 [90/3523840] via 1.1.1.5, 00:40:05, Serial0/1/1
C        1.1.1.4/30 is directly connected, Serial0/1/1
L        1.1.1.6/32 is directly connected, Serial0/1/1
      10.0.0.0/8 is variably subnetted, 3 subnets, 3 masks
D        10.10.10.0/26 [90/3139840] via 1.1.1.5, 00:40:05, Serial0/1/1
D        10.10.10.64/27 [90/3139840] via 1.1.1.5, 00:40:05, Serial0/1/1
D        10.10.10.160/28 [90/3139840] via 1.1.1.5, 00:40:05, Serial0/1/1
      100.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        100.100.100.0/24 is directly connected, Loopback100
L        100.100.100.241/32 is directly connected, Loopback100
      172.16.0.0/24 is subnetted, 5 subnets
D        172.16.4.0 [90/3139840] via 1.1.1.5, 00:40:05, Serial0/1/1
D        172.16.10.0 [90/3524096] via 1.1.1.5, 00:27:49, Serial0/1/1
D        172.16.20.0 [90/3524096] via 1.1.1.5, 00:27:49, Serial0/1/1
D        172.16.30.0 [90/3524096] via 1.1.1.5, 00:27:49, Serial0/1/1
D        172.16.99.0 [90/3524096] via 1.1.1.5, 00:27:49, Serial0/1/1
D     192.168.11.0/24 [90/3651840] via 1.1.1.5, 00:40:05, Serial0/1/1
D     192.168.12.0/24 [90/3651840] via 1.1.1.5, 00:40:05, Serial0/1/1
D     192.168.13.0/24 [90/3651840] via 1.1.1.5, 00:40:05, Serial0/1/1