Default Igrp Configuration - Cisco WS-C3560-48PS-S Software Configuration Manual

Configuring IGRP
Figure 30-4 Interior, System, and Exterior Routes
By default, a router running IGRP sends an update broadcast every 90 seconds and declares a route
inaccessible if it does not receive an update from the first router in the route within three update periods
(270 seconds). After seven update periods (630 seconds), the route is removed from the routing table.
This section briefly describes how to configure IGRP. It includes this information:
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•
•
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To enable IGRP, the switch must be running the EMI.
Note

Default IGRP Configuration

Table 30-5
Table 30-5 Default IGRP Configuration
Feature
IP split horizon
Metric holddown
Metric maximum-hops
Neighbor
Network
Offset-list
Set metric
Catalyst 3560 Switch Software Configuration Guide
30-24
Autonomous system 1
Router
Default IGRP Configuration, page 30-24
Understanding Load Balancing and Traffic Distribution Control, page 30-25
Configuring Basic IGRP Parameters, page 30-26
Configuring Split Horizon, page 30-27
shows the default IGRP configuration.
System
Router Router
Default Setting
Varies with media.
Disabled.
100 hops.
None defined.
None specified.
Disabled.
None set in route map.
Chapter 30 Configuring IP Unicast Routing
Autonomous
system 2
Exterior
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