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}<br />

}<br />

family iso {<br />

address 49.0020.1921.6804.2001.00;<br />

}<br />

family inet6 {<br />

address feee::10:255:71:4/128;<br />

}<br />

Looking at the inet.0 routing table, you see it contains entries for each of these interfaces<br />

and for the subnetworks (the /24 address) to which they are connected:<br />

10.0.16.0/24 *[Direct/0] 5d 17:37:05<br />

> via fe-0/0/0.0<br />

10.0.16.1/32 *[Local/0] 1w0d 15:51:30<br />

Local via fe-0/0/0.0<br />

10.0.21.0/24 *[Direct/0] 1w0d 17:32:48<br />

> via se-0/0/3.0<br />

10.0.21.1/32 *[Local/0] 1w0d 17:32:53<br />

Local via se-0/0/3.0<br />

192.168.42.1/32 *[Direct/0] 5d 18:02:37<br />

> via lo0.0<br />

This output shows entries for the three configured interfaces. For fe-0/0/0, there is<br />

an entry for the interface itself (10.0.16.1/32) and an entry for a summary of all the<br />

addresses on the subnetwork (10.0.16.0/24). There are similar entries for the serial<br />

interface. A route to the loopback address, 192.168.42.1/32, which is the address of<br />

the router itself, is also included.<br />

The opening lines of the show route output always indicate the number of hidden<br />

routes in a routing table. Because the routes are hidden, they are not listed in this<br />

output:<br />

aviva@reflector> show route<br />

inet.0: 163481 destinations, 163481 routes (163479 active, 0 holddown, 2 hidden)<br />

+ = Active Route, - = Last Active, * = Both<br />

Hidden routes are prefixes that cannot be used for routing. These routes have been<br />

rejected by an inbound routing policy (a policy applied with a set import command),<br />

they may have an unresolvable next hop, or there may be a forwarding-table<br />

export filter that keeps them from being used. Hidden routes can never become the<br />

active route even if they are the best path toward a destination, so they can never be<br />

installed in the forwarding table. Hidden routes are marked as Unusable in the routing<br />

table:<br />

aviva@Router3> show route hidden table inet.0<br />

inet.0: 168242 destinations, 168253 routes (168240 active, 0 holddown, 2 hidden)<br />

+ = Active Route, - = Last Active, * = Both<br />

3.0.0.0/8 [BGP/170] 00:05:20, MED 0, localpref 100, from 172.158.5.125<br />

AS path: 65500 65510 I<br />

Unusable<br />

172.16.10.0/24 [BGP/170] 00:05:20, MED 0, localpref 100, from 172.158.5.125<br />

AS path: I<br />

Unusable<br />

Viewing the Routes in the Routing Table | 255<br />

This is the Title of the Book, eMatter Edition<br />

Copyright © 2008 O’Reilly & Associates, Inc. All rights reserved.

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