R1#show run Building configuration... Current configuration : 6946 bytes ! ! Last configuration change at 11:46:10 UTC Mon Jul 21 2025 ! 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 ! ! ! login on-success log ! ! ! ! ! ! ! subscriber templating multilink bundle-name authenticated ! ! ! crypto pki trustpoint TP-self-signed-1010235761 enrollment selfsigned subject-name cn=IOS-Self-Signed-Certificate-1010235761 revocation-check none rsakeypair TP-self-signed-1010235761 ! crypto pki trustpoint SLA-TrustPoint enrollment pkcs12 revocation-check crl ! ! crypto pki certificate chain TP-self-signed-1010235761 certificate self-signed 01 30820330 30820218 A0030201 02020101 300D0609 2A864886 F70D0101 05050030 31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274 69666963 6174652D 31303130 32333537 3631301E 170D3235 30373231 30373533 35315A17 0D333530 37323130 37353335 315A3031 312F302D 06035504 03132649 4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D31 30313032 33353736 31308201 22300D06 092A8648 86F70D01 01010500 0382010F 00308201 0A028201 0100C907 4832B5CD 95CA56B1 5203378F B6AB5B6E B957717F C2E85AD3 A8D77D6D FF6C7C46 5FF85D88 56872091 5E848EDF 1B1CE2FC 8F280DA2 E40B6419 8EE16122 EF20684B 6F1A5461 B92BC80D CC0CD7E1 57D64ADD 0EBD2DE0 63AF18C3 3E336537 08A21902 356E54CF EBC6065A 8E1D70E0 1A749487 FABFA517 94C05B66 16F7FC65 1E3E1D9E 060891C2 AB8C542A 1246A428 71496E40 6ACEFACC 49DDC855 EE6D17D1 5C650263 58469ACC 93250840 8DDC1E2E FD6287E4 258DF155 5818D19B E1584E07 7CE22AED 6F09B8A6 29654424 1F9C9A63 2BB4FDD8 8E2F01B0 3D1FD258 C66F145A 75AA0E86 E1E4BEC8 11D38630 3B502097 D25603E9 A231A435 A391F1A3 E6D9FFFE DC170203 010001A3 53305130 0F060355 1D130101 FF040530 030101FF 301F0603 551D2304 18301680 140980ED 9FA7F80A DD72A890 666BCC89 D325B5D7 5A301D06 03551D0E 04160414 0980ED9F A7F80ADD 72A89066 6BCC89D3 25B5D75A 300D0609 2A864886 F70D0101 05050003 82010100 92A36174 12661276 DB53D912 DEAB64CB EFBB82D9 C38A2063 6DED36DF B3088A35 68CB9868 727870A2 84591E1B E1CD4298 59C541B1 34FF19D6 F80A3070 05945DC8 24495379 756BE62C DD59DD96 2A3DEA82 B014F8B4 49D54382 7D42D1D2 D5F835DB 8416F3BF DEEA28E2 168A2F19 AB5BF23F C47D6EA1 7C5F7820 3F35AF73 2DECA6C7 7970EC72 56F1682A 1F910282 6091E4B8 E92BF0F5 9D3876F6 1E977A47 1F0C742B 8C50F258 CA0F80B9 99497E3B E0C89FB9 E575B486 02CF7F3F F1AFD80A BD96E71A F02F666F 56E3B5D3 D21F2A44 70F66F6E C4B45B05 2B6D8B6C B11689F7 D47E672C 84FF8F39 99369980 AB037151 0EFEFE7C DC81CD2A 40175C7E E6617B78 9596D4F5 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 FGL2725L1Q3 memory free low-watermark processor 67482 ! diagnostic bootup level minimal ! spanning-tree extend system-id ! ! redundancy mode none ! ! no cdp run ! lldp run ! ! ! ! ! interface Loopback1 description R1 connection to Lo1 ip address 192.168.20.129 255.255.255.192 ip ospf network point-to-point ip ospf dead-interval 120 ip ospf hello-interval 30 ! interface Loopback2 description R1 connection to Lo2 ip address 192.168.20.193 255.255.255.224 ip ospf dead-interval 120 ip ospf hello-interval 30 ! interface GigabitEthernet0/0/0 description R1 connection to R2 ip address 192.168.20.225 255.255.255.252 ip ospf dead-interval 120 ip ospf hello-interval 30 negotiation auto ! interface GigabitEthernet0/0/1 description R1 connection to S1 ip address 192.168.20.1 255.255.255.128 ip ospf dead-interval 120 ip ospf hello-interval 30 negotiation auto no lldp transmit ! 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 no ip address shutdown ! router ospf 10 router-id 1.1.1.1 passive-interface GigabitEthernet0/0/0 passive-interface GigabitEthernet0/0/1 passive-interface Loopback1 passive-interface Loopback2 network 192.168.20.0 0.0.0.127 area 0 network 192.168.20.128 0.0.0.63 area 0 network 192.168.20.192 0.0.0.31 area 0 network 192.168.20.224 0.0.0.3 area 0 network 192.168.20.244 0.0.0.3 area 0 ! ip http server ip http authentication local ip http secure-server ip forward-protocol nd ! ! ! ! ! ! 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 ntp master 1 ntp server 192.168.20.1 ! ! ! ! ! ! end R1#show ip int brief Interface IP-Address OK? Method Status Protocol GigabitEthernet0/0/0 192.168.20.225 YES manual down down GigabitEthernet0/0/1 192.168.20.1 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 unassigned YES unset administratively down down Serial0/1/1 unassigned YES unset administratively down down Loopback1 192.168.20.129 YES manual up up Loopback2 192.168.20.193 YES manual up up R1# R1#show ip route protocols ^ % Invalid input detected at '^' marker. R1#show ip protocols *** IP Routing is NSF aware *** Routing Protocol is "application" Sending updates every 0 seconds Invalid after 0 seconds, hold down 0, flushed after 0 Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Maximum path: 32 Routing for Networks: Routing Information Sources: Gateway Distance Last Update Distance: (default is 4) Routing Protocol is "ospf 10" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Router ID 1.1.1.1 Number of areas in this router is 1. 1 normal 0 stub 0 nssa Maximum path: 4 Routing for Networks: 192.168.20.0 0.0.0.127 area 0 192.168.20.128 0.0.0.63 area 0 192.168.20.192 0.0.0.31 area 0 192.168.20.224 0.0.0.3 area 0 192.168.20.244 0.0.0.3 area 0 Passive Interface(s): GigabitEthernet0/0/0 GigabitEthernet0/0/1 Loopback1 Loopback2 Routing Information Sources: Gateway Distance Last Update Distance: (default is 110) 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 192.168.20.0/24 is variably subnetted, 6 subnets, 4 masks C 192.168.20.0/25 is directly connected, GigabitEthernet0/0/1 L 192.168.20.1/32 is directly connected, GigabitEthernet0/0/1 C 192.168.20.128/26 is directly connected, Loopback1 L 192.168.20.129/32 is directly connected, Loopback1 C 192.168.20.192/27 is directly connected, Loopback2 L 192.168.20.193/32 is directly connected, Loopback2 R1#