Step 2
| show ipv6 route
Example:
Device# show ipv6 route
IPv6 Routing Table - default - 15 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
l - LISP
O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
C 3001::/112 [0/0]
via Tunnel0, directly connected
S 3001::1/128 [2/0], tag 1
via 3001::1, Virtual-Access1 [Shortcut]
via Virtual-Access1, directly connected
L 3001::2/128 [0/0]
via Tunnel0, receive
S 3001::3/128 [2/0], tag 1
via Tunnel0, directly connected
C 4001::2000:0/112 [0/0]
via Ethernet0/0, directly connected
L 4001::2000:3/128 [0/0]
via Ethernet0/0, receive
S 5001::/64 [2/0], tag 1
via Tunnel0, directly connected
C 5001::2000:0/112 [0/0]
via Loopback0, directly connected
L 5001::2000:1/128 [0/0]
via Loopback0, receive
D 5001::3000:0/112 [90/28288000]
via FE80::A8BB:CCFF:FE01:F400, Tunnel0
D 5001::4000:0/112 [90/28288000]
via FE80::A8BB:CCFF:FE01:F400, Tunnel0
H 5001::4000:1/128 [250/1]
via 3001::1, Virtual-Access1
C 5001::5000:0/112 [0/0]
via Loopback1, directly connected
L 5001::5000:1/128 [0/0]
via Loopback1, receive
L FF00::/8 [0/0]
via Null0, receive
Displays the
IPv6 routes and Next Hop Resolution Protocol (NHRP) mapping information.
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Step 3
| show ipv6 nhrp
Example:
Device# show ipv6 nhrp
3001::1/128 via 3001::1
Virtual-Access1 created 00:01:52, expire 01:58:14
Type: dynamic, Flags: router implicit rib nho
NBMA address: 172.17.1.9
(Claimed NBMA address: 172.16.2.1)
5001::4000:1/128 via 3001::1
Virtual-Access1 created 00:00:56, expire 01:59:03
Type: dynamic, Flags: router rib
NBMA address: 172.17.1.9
(Claimed NBMA address: 172.16.2.1)
5001::5000:1/128 via 3001::2
Virtual-Access1 created 00:01:52, expire 01:58:14
Type: dynamic, Flags: router unique local
NBMA address: 172.17.2.10
Example:
Device# show ipv6 nhrp
3001::1/128 via 3001::1
Virtual-Access1 created 00:01:52, expire 01:58:14
Type: dynamic, Flags: router implicit rib nho
NBMA address: 4001::2000:2
5001::4000:1/128 via 3001::1
Virtual-Access1 created 00:00:56, expire 01:59:03
Type: dynamic, Flags: router rib
NBMA address: 4001::2000:2
5001::5000:1/128 via 3001::2
Virtual-Access1 created 00:01:52, expire 01:58:14
Type: dynamic, Flags: router unique local
NBMA address: 4001::2000:3
Displays the
NHRP cache entries. In the first example, the output indicates that the
transport is IPv4 (NBMA address). The remote spoke is behind Network Address
Translation (NAT), as indicated by the Claimed NBMA address field, which is the
pre-NAT address of the remote spoke. The cache entries also show the flags
associated with each spoke, indicating the kind of route that has been inserted
for each entry in the routing table. Next-Hop-Override (NHO) indicates the
shortcut route. The
rib flag
indicates addition of an NHRP H route for that cache entry. The second example
indicates that the transport is IPv6 (NBMA address). The remote spoke is not
behind NAT, as indicated by the absence of claimed address in the output.
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