show route damping

routing-table-name

Name of the routing table—for example, inet.0.

destinations

Number of destinations for which there are routes in the routing table.

number routes

Number of routes in the routing table and total number of routes in the following states:

• active

• holddown (routes that are in a pending state before being declared inactive)

• hidden (the routes are not used because of a routing policy)

destination-prefix (entry, announced)

Destination prefix. The entry value is the number of routes for this destination, and the announced value is the number of routes being announced for this destination.

[protocol, preference]

Protocol from which the route was learned and the preference value for the route.

• +—A plus sign indicates the active route, which is the route installed from the routing table into the forwarding table.

• - —A hyphen indicates the last active route.

• *—An asterisk indicates that the route is both the active and the last active route. An asterisk before a to line indicates the best subpath to the route.

In every routing metric except for the BGP LocalPref attribute, a lesser value is preferred. In order to use common comparison routines, Junos OS stores the 1's complement of the LocalPref value in the Preference2 field. For example, if the LocalPref value for Route 1 is 100, the Preference2 value is -101. If the LocalPref value for Route 2 is 155, the Preference2 value is -156. Route 2 is preferred because it has a higher LocalPref value and a lower Preference2 value.

Next-hop reference count

Number of references made to the next hop.

Source

IP address of the route source.

Next hop

Network layer address of the directly reachable neighboring system.

via

Interface used to reach the next hop. If there is more than one interface available to the next hop, the interface that is actually used is followed by the word Selected.

Protocol next hop

Network layer address of the remote routing device that advertised the prefix. This address is used to derive a forwarding next hop.

Indirect next hop

Index designation used to specify the mapping between protocol next hops, tags, kernel export policy, and the forwarding next hops.

State

Flags for this route. For a description of possible values for this field, see the output field table for the show route detail command.

Local AS

AS number of the local routing device.

Peer AS

AS number of the peer routing device.

Age

How long the route has been known.

Metric

Metric for the route.

Task

Name of the protocol that has added the route.

Announcement bits

List of protocols that announce this route. n-Resolve inet indicates that the route is used for route resolution for next hops found in the routing table. n is an index used by Juniper Networks customer support only.

AS path

AS path through which the route was learned. The letters at the end of the AS path indicate the path origin, providing an indication of the state of the route at the point at which the AS path originated:

• I—IGP.

• E—EGP.

• ?—Incomplete; typically, the AS path was aggregated.

When AS path numbers are included in the route, the format is as follows:

• [ ]—Brackets enclose the local AS number associated with the AS path if more than one AS number is configured on the routing device or if AS path prepending is configured.

• { }—Braces enclose AS sets, which are groups of AS numbers in which the order does not matter. A set commonly results from route aggregation. The numbers in each AS set are displayed in ascending order.

• ( )—Parentheses enclose a confederation.

• ( [ ] )—Parentheses and brackets enclose a confederation set.

to

Next hop to the destination. An angle bracket (>) indicates that the route is the selected route.

via

Interface used to reach the next hop. If there is more than one interface available to the next hop, the interface that is actually used is followed by the word Selected.

Communities

Community path attribute for the route. See the output field table for the show route detail command.

Localpref

Local preference value included in the route.

Router ID

BGP router ID as advertised by the neighbor in the open message.

Merit (last update/now)

Last updated and current figure-of-merit value.

damping-parameters

Name that identifies the damping parameters used, which is defined in the damping statement at the [edit policy-options] hierarchy level.

Last update

Time of most recent change in path attributes.

First update

Time of first change in path attributes, which started the route damping process.

Flaps

Number of times the route has gone up or down or its path attributes have changed.

Suppressed

(suppressed keyword only) This route is currently suppressed. A suppressed route does not appear in the forwarding table and routing protocols do not export it.

Reusable in

(suppressed keyword only) Time when a suppressed route will again be available.

Preference will be

(suppressed keyword only) Preference value that will be applied to the route when it is again active.