Download PNETLab Platform PNETLAB Store PNETLab.com IPv6 Tunneling over IPv4 Lab Topology: Please use the following topology to complete this lab exercise: Lab Objective: The objective of this lab exercise is for you to learn and understand how can you configure IPv6 tunneling over IPv4 Task list: Task 1: Configure the hostname and IP address, EIGRP routing for Routers as topo Check the reachability between Routers Task 2: Create tunnel encapsulate IPv6 traffic between R1 and R3 Tunnel running mode GRE Task 3: Config RIPNG between R1 and R3 via tunnel created in Task Task 4: Check IPv6 Reachability between R1 and R3 via tunnel SOLUTION: Task 1: Configure the hostname and IP address, EIGRP routing for Routers as topo Check the reachability between Routers On R1 ! Download PNETLab Platform PNETLAB Store PNETLab.com interface Ethernet0/0 ip address 10.1.12.1 255.255.255.0 ! interface Loopback0 ip address 1.1.1.1 255.255.255.255On R1 ! router eigrp 10 network 1.1.1.1 0.0.0.0 network 10.1.12.0 0.0.0.255 ! On R2 ! interface Ethernet0/0 ip address 10.1.12.2 255.255.255.0 ! interface Ethernet0/1 ip address 10.1.23.2 255.255.255.0 ! On R3 ! interface Ethernet0/1 ip address 10.1.23.3 255.255.255.0 ! interface Loopback0 ip address 3.3.3.3 255.255.255.255 ! router eigrp 10 network 3.3.3.3 0.0.0.0 network 10.1.23.0 0.0.0.255 ! Verification: R1#show ip route eigrp Gateway of last resort is not set D D 3.0.0.0/32 is subnetted, subnets 3.3.3.3 [90/435200] via 10.1.12.2, 00:40:42, Ethernet0/0 10.0.0.0/8 is variably subnetted, subnets, masks 10.1.23.0/24 [90/307200] via 10.1.12.2, 00:40:47, Ethernet0/0 R3#show ip route eigrp Gateway of last resort is not set D 1.0.0.0/32 is subnetted, subnets 1.1.1.1 [90/435200] via 10.1.23.2, 00:41:22, Ethernet0/1 10.0.0.0/8 is variably subnetted, subnets, masks Download PNETLab Platform PNETLAB Store PNETLab.com D 10.1.12.0/24 [90/307200] via 10.1.23.2, 00:41:22, Ethernet0/1 R3#ping 1.1.1.1 source l0 Type escape sequence to abort Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is seconds: Packet sent with a source address of 3.3.3.3 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms Task 2: Create tunnel encapsulate IPv6 traffic between R1 and R3 Tunnel running mode GRE On R1 ! interface Tunnel0 no ip address tunnel source Loopback0 tunnel destination 3.3.3.3 ! On R3 ! interface Tunnel0 no ip address tunnel source Loopback0 tunnel destination 1.1.1.1 ! Verification: R1#show interfaces tunnel0 Tunnel0 is up, line protocol is up Hardware is Tunnel MTU 17916 bytes, BW 100 Kbit/sec, DLY 50000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation TUNNEL, loopback not set Keepalive not set Tunnel linestate evaluation up Tunnel source 1.1.1.1 (Loopback0), destination 3.3.3.3 Tunnel Subblocks: src-track: Tunnel0 source tracking subblock associated with Loopback0 Set of tunnels with source Loopback0, member (includes iterators), on interface Tunnel protocol/transport GRE/IP R3#show interfaces tunnel0 Tunnel0 is up, line protocol is up Hardware is Tunnel MTU 17916 bytes, BW 100 Kbit/sec, DLY 50000 usec, reliability 255/255, txload 1/255, rxload 1/255 Download PNETLab Platform PNETLAB Store PNETLab.com Encapsulation TUNNEL, loopback not set Keepalive not set Tunnel linestate evaluation up Tunnel source 3.3.3.3 (Loopback0), destination 1.1.1.1 Tunnel Subblocks: src-track: Tunnel0 source tracking subblock associated with Loopback0 Set of tunnels with source Loopback0, member (includes iterators), on interface Tunnel protocol/transport GRE/IP Task 3: Config RIPNG between R1 and R3 via tunnel created in Task On R1 ! ipv6 unicast-routing ! ipv6 router rip RIP13 ! interface Tunnel0 no ip address ipv6 enable ipv6 rip RIP13 enable ! ! interface Loopback0 ipv6 address 2001::1/64 ipv6 enable ipv6 rip RIP13 enable ! On R3 ! ipv6 unicast-routing ! ipv6 router rip RIP13 ! interface Tunnel0 no ip address ipv6 enable ipv6 rip RIP13 enable ! interface Loopback0 ipv6 address 2003::3/64 ipv6 enable ipv6 rip RIP13 enable ! Download PNETLab Platform PNETLAB Store PNETLab.com Task 4: Check IPv6 Reachability between R1 and R3 via tunnel On R1 R1#show ipv6 interface brief | exclude as Ethernet0/0 [up/up] Ethernet0/1 [up/up] Ethernet0/2 [up/up] Ethernet0/3 [up/up] Loopback0 [up/up] FE80::A8BB:CCFF:FE00:F00 2001::1 Tunnel0 [up/up] FE80::A8BB:CCFF:FE00:F00 R1#show ipv6 route rip R 2003::/64 [120/2] via FE80::A8BB:CCFF:FE00:D00, Tunnel0 R3#show ipv6 interface brief | exclude as Ethernet0/0 [up/up] Ethernet0/1 [up/up] Ethernet0/2 [up/up] Ethernet0/3 [up/up] Loopback0 [up/up] FE80::A8BB:CCFF:FE00:D00 2003::3 Tunnel0 [up/up] FE80::A8BB:CCFF:FE00:D00 R3#show ipv6 route rip R 2001::/64 [120/2] via FE80::A8BB:CCFF:FE00:F00, Tunnel0 R1#ping 2003::3 Type escape sequence to abort Sending 5, 100-byte ICMP Echos to 2003::3, timeout is seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/2 ms R3#ping 2001::1 Type escape sequence to abort Sending 5, 100-byte ICMP Echos to 2001::1, timeout is seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/2 ms ... Task On R1 ! ipv6 unicast-routing ! ipv6 router rip RIP13 ! interface Tunnel0 no ip address ipv6 enable ipv6 rip RIP13 enable ! ! interface Loopback0 ipv6 address 2001::1/64 ipv6 enable ipv6 rip... ! On R3 ! ipv6 unicast-routing ! ipv6 router rip RIP13 ! interface Tunnel0 no ip address ipv6 enable ipv6 rip RIP13 enable ! interface Loopback0 ipv6 address 2003::3/64 ipv6 enable ipv6 rip RIP13... Download PNETLab Platform PNETLAB Store PNETLab.com Task 4: Check IPv6 Reachability between R1 and R3 via tunnel On R1 R1#show ipv6 interface brief | exclude as Ethernet0/0 [up/up] Ethernet0/1