R1#show version | include Version|uptime|Processor board Cisco IOS XE Software, Version 17.03.08a Cisco IOS Software [Amsterdam], Virtual XE Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 17.3.8a, RELEASE SOFTWARE (fc3) licensed under the GNU General Public License ("GPL") Version 2.0. The software code licensed under GPL Version 2.0 is free software that comes GPL code under the terms of GPL Version 2.0. For more details, see the R1 uptime is 24 minutes Processor board ID 9IACJIPU0VG R1#show interfaces description Interface Status Protocol Description Gi1 up up management Gi2 up up lab segment Gi3 admin down down Gi4 admin down down R1#show ip interface brief Interface IP-Address OK? Method Status Protocol GigabitEthernet1 10.19.12.13 YES NVRAM up up GigabitEthernet2 192.168.100.1 YES NVRAM up up GigabitEthernet3 unassigned YES NVRAM administratively down down GigabitEthernet4 unassigned YES NVRAM administratively down down R1#show ipv6 interface brief GigabitEthernet1 [up/up] unassigned GigabitEthernet2 [up/up] FE80::5054:FF:FE92:855C 2001:DB8:100::1 GigabitEthernet3 [administratively down/down] unassigned GigabitEthernet4 [administratively down/down] unassigned 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 10.19.0.1 to network 0.0.0.0 S* 0.0.0.0/0 [1/0] via 10.19.0.1 10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks C 10.19.0.0/16 is directly connected, GigabitEthernet1 L 10.19.12.13/32 is directly connected, GigabitEthernet1 192.168.100.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.100.0/24 is directly connected, GigabitEthernet2 L 192.168.100.1/32 is directly connected, GigabitEthernet2 R1#show ipv6 route IPv6 Routing Table - default - 3 entries Codes: C - Connected, L - Local, S - Static, U - Per-user Static route B - BGP, R - RIP, H - NHRP, I1 - ISIS L1 I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP EX - EIGRP external, ND - ND Default, NDp - ND Prefix, DCE - Destination NDr - Redirect, RL - RPL, 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, le - LISP extranet-policy lp - LISP publications, a - Application, m - OMP C 2001:DB8:100::/64 [0/0] via GigabitEthernet2, directly connected L 2001:DB8:100::1/128 [0/0] via GigabitEthernet2, receive L FF00::/8 [0/0] via Null0, receive R1#show ipv6 interface GigabitEthernet2 GigabitEthernet2 is up, line protocol is up IPv6 is enabled, link-local address is FE80::5054:FF:FE92:855C No Virtual link-local address(es): Description: lab segment Global unicast address(es): 2001:DB8:100::1, subnet is 2001:DB8:100::/64 Joined group address(es): FF02::1 FF02::2 FF02::1:2 FF02::1:FF00:1 FF02::1:FF92:855C FF05::1:3 MTU is 1500 bytes ICMP error messages limited to one every 100 milliseconds ICMP redirects are enabled ICMP unreachables are sent ND DAD is enabled, number of DAD attempts: 1 ND reachable time is 30000 milliseconds (using 30000) ND advertised reachable time is 0 (unspecified) ND advertised retransmit interval is 0 (unspecified) ND router advertisements are sent every 10 seconds ND router advertisements live for 1800 seconds ND advertised default router preference is Medium Hosts use stateless autoconfig for addresses. Hosts use DHCP to obtain other configuration. R1#show ip dhcp pool Pool LAB : Utilization mark (high/low) : 100 / 0 Subnet size (first/next) : 0 / 0 Total addresses : 254 Leased addresses : 1 Excluded addresses : 99 Pending event : none 1 subnet is currently in the pool : Current index IP address range Leased/Excluded/Total 192.168.100.101 192.168.100.1 - 192.168.100.254 1 / 99 / 254 R1#show ip dhcp binding Bindings from all pools not associated with VRF: IP address Client-ID/ Lease expiration Type State Interface Hardware address/ User name 192.168.100.100 ffb5.5e67.ff00.0200. Sep 11 2026 07:07 AM Automatic Active GigabitEthernet2 00ab.114a.b5bc.4a7e. 5a3d.87 R1#show ip dhcp server statistics Memory usage 18943 Address pools 1 Database agents 0 Automatic bindings 1 Manual bindings 0 Expired bindings 0 Malformed messages 0 Secure arp entries 0 Renew messages 0 Workspace timeouts 0 Static routes 0 Relay bindings 0 Relay bindings active 0 Relay bindings terminated 0 Relay bindings selecting 0 Message Received BOOTREQUEST 0 DHCPDISCOVER 3 DHCPREQUEST 1 DHCPDECLINE 0 DHCPRELEASE 0 DHCPINFORM 0 DHCPVENDOR 0 BOOTREPLY 0 DHCPOFFER 0 DHCPACK 0 DHCPNAK 0 Message Sent BOOTREPLY 0 DHCPOFFER 2 DHCPACK 1 DHCPNAK 0 Message Forwarded BOOTREQUEST 0 DHCPDISCOVER 0 DHCPREQUEST 0 DHCPDECLINE 0 DHCPRELEASE 0 DHCPINFORM 0 DHCPVENDOR 0 BOOTREPLY 0 DHCPOFFER 0 DHCPACK 0 DHCPNAK 0 DHCP Relay ACK drop 0 DHCP-DPM Statistics Offer notifications sent 0 Offer callbacks received 0 Classname requests sent 0 Classname callbacks received 0 R1#show ip dhcp conflict IP address Detection method Detection time VRF R1#show ipv6 dhcp pool DHCPv6 pool: LABV6 DNS server: 2001:DB8:100::1 Domain name: kazulog.example Active clients: 0 R1#show ipv6 dhcp binding R1#show ipv6 dhcp interface GigabitEthernet2 is in server mode Using pool: LABV6 Preference value: 0 Hint from client: ignored Rapid-Commit: disabled R1#show ipv6 neighbors IPv6 Address Age Link-layer Addr State Interface FE80::5054:FF:FEBA:7498 0 5254.00ba.7498 REACH Gi2 FE80::5054:FF:FEF6:AD0B 0 5254.00f6.ad0b STALE Gi2