R1#sh running-config Building configuration... Current configuration : 2248 bytes ! ! Last configuration change at 15:27:53 UTC Mon May 20 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 ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! no ip domain lookup ip cef ipv6 unicast-routing ipv6 cef multilink bundle-name authenticated ! ! ! ! license udi pid CISCO1921/K9 sn FCZ2118401V license accept end user agreement license boot module c1900 technology-package datak9 ! ! ! redundancy ! ! ! ! ! ! interface Embedded-Service-Engine0/0 no ip address shutdown ! interface GigabitEthernet0/0 ip address 192.168.110.1 255.255.255.0 duplex auto speed auto ipv6 address FE80::1 link-local ipv6 address 2001:DB8:ACAD:110::1/64 ! interface GigabitEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial0/0/0 bandwidth 128000 ip address 192.168.9.1 255.255.255.252 ipv6 address FE80::1 link-local ipv6 address 2001:DB8:ACAD:90::1/64 clock rate 64000 ! interface Serial0/0/1 no ip address shutdown clock rate 2000000 ! ! router eigrp AS101 ! address-family ipv4 unicast autonomous-system 101 ! af-interface GigabitEthernet0/0 passive-interface exit-af-interface ! af-interface Serial0/0/0 authentication mode hmac-sha-256 password authentication key-chain EIGRP exit-af-interface ! topology base redistribute static exit-af-topology network 192.168.9.0 0.0.0.3 network 192.168.110.0 eigrp router-id 1.1.1.1 exit-address-family ! address-family ipv6 unicast autonomous-system 101 ! af-interface Serial0/0/0 authentication mode hmac-sha-256 password authentication key-chain EIGRP exit-af-interface ! topology base redistribute static exit-af-topology eigrp router-id 1.1.1.1 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 logging synchronous 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#sh ip int brief Interface IP-Address OK? Method Status Protocol Embedded-Service-Engine0/0 unassigned YES unset administratively down down GigabitEthernet0/0 192.168.110.1 YES manual up up GigabitEthernet0/1 unassigned YES unset administratively down down Serial0/0/0 192.168.9.1 YES manual up up Serial0/0/1 unassigned YES unset administratively down down R1#sh 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 192.168.9.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.9.0/30 is directly connected, Serial0/0/0 L 192.168.9.1/32 is directly connected, Serial0/0/0 192.168.110.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.110.0/24 is directly connected, GigabitEthernet0/0 L 192.168.110.1/32 is directly connected, GigabitEthernet0/0 R1#sh ipv6 int brief Em0/0 [administratively down/down] unassigned GigabitEthernet0/0 [up/up] FE80::1 2001:DB8:ACAD:110::1 GigabitEthernet0/1 [administratively down/down] unassigned Serial0/0/0 [up/up] FE80::1 2001:DB8:ACAD:90::1 Serial0/0/1 [administratively down/down] 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:ACAD:90::/64 [0/0] via Serial0/0/0, directly connected L 2001:DB8:ACAD:90::1/128 [0/0] via Serial0/0/0, receive C 2001:DB8:ACAD:110::/64 [0/0] via GigabitEthernet0/0, directly connected L 2001:DB8:ACAD:110::1/128 [0/0] via GigabitEthernet0/0, receive L FF00::/8 [0/0] via Null0, receive