R1#show running-config Building configuration... Current configuration : 2810 bytes ! ! Last configuration change at 15:01:46 UTC Fri Nov 15 2019 ! version 15.7 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R1 ! boot-start-marker boot-end-marker ! ! ! no aaa new-model ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ip cef ipv6 unicast-routing ipv6 cef multilink bundle-name authenticated ! ! ! key chain keychainr1 key 1 key-string secret-1 ! ! license udi pid CISCO1921/K9 sn FCZ2118401A license boot module c1900 technology-package datak9 ! ! ! redundancy ! ! ! ! ! ! interface Loopback0 no ip address ipv6 address 2001:DB8:CAFE:10::1/64 ! interface Loopback11 ip address 172.16.11.1 255.255.255.0 ! interface Loopback12 ip address 172.16.12.1 255.255.255.0 ! interface Loopback13 ip address 172.16.13.1 255.255.255.0 ! interface Loopback14 ip address 172.16.14.1 255.255.255.0 ! interface Loopback15 ip address 172.16.15.1 255.255.255.0 ! interface Loopback55 ip address 172.16.55.1 255.255.255.0 ! interface Loopback56 ip address 172.16.56.1 255.255.255.0 ! interface Loopback57 ip address 172.16.57.1 255.255.255.0 ! interface Loopback58 ip address 172.16.58.1 255.255.255.0 ! interface Loopback100 ip address 172.16.100.1 255.255.255.192 ! interface Embedded-Service-Engine0/0 no ip address shutdown ! interface GigabitEthernet0/0 no ip address shutdown duplex auto speed auto ! interface GigabitEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial0/0/0 bandwidth 128 ip address 20.10.10.1 255.255.255.252 ip summary-address eigrp 205 172.16.0.0 255.255.0.0 ipv6 address FE80::3 link-local ipv6 address 2001:DB8:ACBD:10::1/64 clock rate 64000 ! interface Serial0/0/1 no ip address shutdown clock rate 2000000 ! interface Serial0/1/0 no ip address shutdown clock rate 2000000 ! interface Serial0/1/1 no ip address shutdown clock rate 2000000 ! ! router eigrp 205 network 20.10.10.0 0.0.0.3 network 172.16.0.0 network 172.26.0.0 network 192.168.0.0 0.0.255.255 network 192.168.0.0 network 209.65.12.252 0.0.0.3 passive-interface GigabitEthernet0/0 eigrp router-id 1.1.1.1 ! ! router eigrp ROUTE ! address-family ipv4 unicast autonomous-system 1 ! af-interface Serial0/0/0 authentication mode hmac-sha-256 secret-2 authentication key-chain keychainr1 exit-af-interface ! topology base exit-af-topology network 20.10.10.0 0.0.0.255 exit-address-family ! ip forward-protocol nd ! no ip http server no ip http secure-server ! ! ipv6 ioam timestamp ! ! ! control-plane ! ! vstack ! line con 0 line aux 0 line 2 no activation-character no exec transport preferred none transport output lat pad telnet rlogin lapb-ta mop udptn v120 ssh stopbits 1 line vty 0 4 login transport input none ! scheduler allocate 20000 1000 ! end ############################################################ R1#show 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 administratively down down GigabitEthernet0/1 unassigned YES unset administratively down down Serial0/0/0 20.10.10.1 YES manual up up Serial0/0/1 unassigned YES unset administratively down down Serial0/1/0 unassigned YES unset administratively down down Serial0/1/1 unassigned YES unset administratively down down Loopback0 unassigned YES unset up up Loopback11 172.16.11.1 YES manual up up Loopback12 172.16.12.1 YES manual up up Loopback13 172.16.13.1 YES manual up up Loopback14 172.16.14.1 YES manual up up Loopback15 172.16.15.1 YES manual up up Loopback55 172.16.55.1 YES manual up up Loopback56 172.16.56.1 YES manual up up Loopback57 172.16.57.1 YES manual up up Loopback58 172.16.58.1 YES manual up up Loopback100 172.16.100.1 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 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 20.0.0.0/8 is variably subnetted, 2 subnets, 2 masks C 20.10.10.0/30 is directly connected, Serial0/0/0 L 20.10.10.1/32 is directly connected, Serial0/0/0 172.16.0.0/16 is variably subnetted, 21 subnets, 4 masks D 172.16.0.0/16 is a summary, 00:44:53, Null0 C 172.16.11.0/24 is directly connected, Loopback11 L 172.16.11.1/32 is directly connected, Loopback11 C 172.16.12.0/24 is directly connected, Loopback12 L 172.16.12.1/32 is directly connected, Loopback12 C 172.16.13.0/24 is directly connected, Loopback13 L 172.16.13.1/32 is directly connected, Loopback13 C 172.16.14.0/24 is directly connected, Loopback14 L 172.16.14.1/32 is directly connected, Loopback14 C 172.16.15.0/24 is directly connected, Loopback15 L 172.16.15.1/32 is directly connected, Loopback15 C 172.16.55.0/24 is directly connected, Loopback55 L 172.16.55.1/32 is directly connected, Loopback55 C 172.16.56.0/24 is directly connected, Loopback56 L 172.16.56.1/32 is directly connected, Loopback56 C 172.16.57.0/24 is directly connected, Loopback57 L 172.16.57.1/32 is directly connected, Loopback57 C 172.16.58.0/24 is directly connected, Loopback58 L 172.16.58.1/32 is directly connected, Loopback58 C 172.16.100.0/26 is directly connected, Loopback100 L 172.16.100.1/32 is directly connected, Loopback100 ##################################################################### R1#show ipv6 int brief Em0/0 [administratively down/down] unassigned GigabitEthernet0/0 [administratively down/down] unassigned GigabitEthernet0/1 [administratively down/down] unassigned Serial0/0/0 [up/up] FE80::3 2001:DB8:ACBD:10::1 Serial0/0/1 [administratively down/down] unassigned Serial0/1/0 [administratively down/down] unassigned Serial0/1/1 [administratively down/down] unassigned Loopback0 [up/up] FE80::2E33:11FF:FE02:F480 2001:DB8:CAFE:10::1 Loopback11 [up/up] unassigned Loopback12 [up/up] unassigned Loopback13 [up/up] unassigned Loopback14 [up/up] unassigned Loopback15 [up/up] unassigned Loopback55 [up/up] unassigned Loopback56 [up/up] unassigned Loopback57 [up/up] unassigned Loopback58 [up/up] unassigned Loopback100 [up/up] unassigned ####################################################### R1#show ipv6 route IPv6 Routing Table - default - 5 entries Codes: C - Connected, L - Local, S - Static, U - Per-user Static route B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2, la - LISP alt lr - LISP site-registrations, ld - LISP dyn-eid, lA - LISP away a - Application C 2001:DB8:ACBD:10::/64 [0/0] via Serial0/0/0, directly connected L 2001:DB8:ACBD:10::1/128 [0/0] via Serial0/0/0, receive C 2001:DB8:CAFE:10::/64 [0/0] via Loopback0, directly connected L 2001:DB8:CAFE:10::1/128 [0/0] via Loopback0, receive L FF00::/8 [0/0] via Null0, receive ###############################################################################