| Exam 642-885 | Question id=3374 | IPv6 in a Service Provider IP NGN Environment |
Refer to the exhibit for the outputs from an ASR9K router.
RP/0/RSP0/CPU0:PE1#show route ipv6
Wed Oct 22 23:27:17.453 UTC
Codes: C - connected, S - static, R - RIP, 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, E - EGP
i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, su - IS-IS summary null, *- candidate default
U - per-user static route, o - ODR, L- local, G - DAGR
A - access/subscriber, (!) - FRR Backup path
Gateway of last resort is not set
L 2001:db8:10:1:1::1/128 is directly connected,
09:21:13, Loopback0
i L2 2001:db8:10:1:10::1/128
[105/20] via fe80::eab7:48ff:fe2c:a180,07:58:21, Gigabit Ethernet0/0/0/0
C 2001:db8:192:168:101::/80 is directly connected,
1d03h. GigabitEthernet0/0/0/0
L 2001:db8:192:168:101::10/128 is directly connected,
1d03h,Gigabit Ethernet0/0/0/0
RP/0/RSP0/CPU0:PE1#ping 2001:db8:10:1:10::1/128
Wed Oct 22 23:28:41.543 UTC
%Bad hostname or protocol not running
Why did the ping fail?
| A. |
The ping command is missing the ipv6 option: ping ipv6 2001:db8:10:1:10::1/128 | |
| B. |
There is a problem with the IS-IS configurations | |
| C. |
The fe80::eab7:48ff:fe2c:a180 next-hop is not reachable | |
| D. |
The prefix length should be removed from the IPv6 address in the ping command: ping ipv6 2001:db8:10:1:10::1 | |
| E. |
IPv6 is not enabled on the Gi0/0/0/0 interface | |
| F. |
The IPv6 neighbor discovery protocol is not enabled on the Gi0/0/0/0 interface |