1-4
Field Description
Descriptions on the route state are as follows:
ActiveU Valid unicast route. “U” stands for unicast.
Blackhole
Blackhole route is the same as reject route except that a router
drops a packet traveling along a blackhole route without sending
ICMP unreachable messages to the source of the packets.
Delete The route is deleted.
Gateway The route is not a direct route.
Hidden
The route is a hidden route. The system hides routes that are
temporarily unavailable for some reasons (such as the policy
configured or the interface is down) for later use.
Holddown
The route is held down. Holddown is a kind of route advertisement
policy used in some D-V (distance vector) routing protocols (such as
RIP) to avoid the propagation of some incorrect routes and improve
the transmission speed of route-unreachable information. For
details, refer to corresponding routing protocols.
Int The route is discovered by the internal gateway protocol (IGP).
NoAdvise
The route is not advertised when the router advertises routes based
on policies
NotInstall
The route are not loaded to the core routing table but can be
advertised. Normally, the routes with the highest preference in the
routing table are loaded to the core routing table and are advertised.
Reject
The packets travel along the route will be dropped. Besides, the
router sends ICMP unreachable messages to the source of the
dropped packets. The Reject routes are usually used for network
testing.
Retain
The route is not deleted when the routes in the core routing table are
deleted. You can enable static routes to remain in the core routing
table by configure them to be in retain state.
Static
Static routes configured manually on the router are marked as static.
Such routes are not lost when you perform the save operation and
then restart the router.
State
Unicast The route is a unicast route.
Age
Time period during which the route is allowed to be in the routing table, in the form of
hh:mm:ss.
Cost Cost of the route
display ip routing-table ip-address
Syntax
display ip routing-table ip-address [ mask ] [ longer-match ] [ verbose ]
View
Any view
Parameter
ip-address: Destination IP address, in dotted decimal notation.
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