ardware is MV96340 Ethernet, address is 0012.43b9.2c70 (bia 0012.43b9.2c70) Internet address is 10.0.0.1/24 MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 100Mb/s, 100BaseTX/FX ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:00, output 00:00:03, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 3000 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 3403 packets input, 1970499 bytes Received 3393 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 watchdog 0 input packets with dribble condition detected 755 packets output, 77707 bytes, 0 underruns 0 output errors, 0 collisions, 1 interface resets babbles, 0 late collision, 0 deferred lost carrier, 0 no carrier output buffer failures, 0 output buffers swapped out Simple Router Configuration To see the automatically configured link-local address, I need to use the show ipv6 interface interface-name command: R1#sho ipv6 int fo/o FastEtherneto/o is up, line protocol is up IPv6 is enabled, link-local address is FE80::212:43FF:FEB9:2C70 No global unicast address is configured Joined group address(es) : FF02:: FF02 1: FFB9 : 2C70 MTU is 1500 bytes ICMP error messages limited to one every 100 milliseconds ICMP redirects are enabled ND DAD is enabled, number of DAD attempts: 1 ND reachable time is 30000 milliseconds Here is the IPv6 link-local address from R6: R6#sho ipv6 interface fo/o I inc link-local IPv6 is enabled, link-local address is FE80::214:6AFF:FEA2:D438 What does any network guy do when configuring two devices on a network? Ping them, of course. Let's ping R6 from R1. To ping using IPv6, we still use the ping command, but we need to add the ipv6 keyword: R1#ping ipv6 E80::214:6AFF:FEA2:D438 Output Interface: fo/o