Managed Switch CLI Manual, Release 8.0.3
IPv6 Commands 7-25
v1.0, July 2010
The show ipv6 route command displays the routing tables in the following format:
Codes: C - connected, S - static
O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF Ext 1, OE2 - OSPF Ext 2
ON1 - OSPF NSSA Ext Type 1, ON2 - OSPF NSSA Ext Type 2
The columns for the routing table display the following information:
To administratively control the traffic destined to a particular network and prevent it from being
forwarded through the router, you can configure a static reject route on the router. Such traffic
would be discarded and the ICMP destination unreachable message is sent back to the source. This
is typically used for preventing routing loops. The reject route added in the RTO is of the type
OSPF Inter-Area. Reject routes (routes of REJECT type installed by any protocol) are not
redistributed by OSPF/RIP. Reject routes are supported in both OSPFv2 and OSPFv3.
Format show ipv6 route [{<ipv6-address> [<protocol>] | {{<ipv6-prefix/ipv6-
prefix-length> | <unit/slot/port>} [<protocol>] | <protocol> |
summary} [all] | all}]
Modes • Privileged EXEC
• User EXEC
Term Definition
Route Codes The key for the routing protocol codes that might appear in the routing table output.
Term Definition
Code The code for the routing protocol that created this routing entry.
IPv6-Prefix/
IPv6-Prefix-
Length
The IPv6-Prefix and prefix-length of the destination IPv6 network corresponding to this
route.
Preference/
Metric
The administrative distance (preference) and cost (metric) associated with this route. An
example of this output is [1/0], where 1 is the preference and 0 is the metric.
Tag The decimal value of the tag associated with a redistributed route, if it is not 0.
Next-Hop The outgoing router IPv6 address to use when forwarding traffic to the next router (if any)
in the path toward the destination.
Route-
Timestamp
The last updated time for dynamic routes. The format of Route-Timestamp will be
• Days:Hours:Minutes if days > = 1
• Hours:Minutes:Seconds if days < 1
Interface The outgoing router interface to use when forwarding traffic to the next destination. For
reject routes, the next hop interface would be Null0 interface.
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