Enabling IGRP

• All routers that are part of the same system must use the same autonomous number when configuring IGRP.

• The following example shows the commands necessary to configure IGRP for a router that support networks 11.0.0.0 and 172.54.0.0.

• The autonomous system number of 115 has been chosen for this particular system:

  • router# config t
  • router(config)# router igrp 115
  • router(config-router)# network 11.0.0.0
  • router(config-router)# network 172.54.0.0

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