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Chapter 5
IP Routing
shows the source and destination of each update as well as the number of
routers in each update. Information about individual routes is not generated
with this command.
2501B#debug ip igrp events
IGRP event debugging is on
07:13:50: IGRP: received request from 172.16.40.2 on
Serial1
07:13:50: IGRP: sending update to 172.16.40.2 via Serial1
(172.16.40.1)
07:13:51: IGRP: Update contains 3 interior, 0 system, and
0 exterior routes.
07:13:51: IGRP: Total routes in update: 3
07:13:51: IGRP: received update from 172.16.40.2 on
Serial1
07:13:51: IGRP: Update contains 1 interior, 0 system, and
0 exterior routes.
07:13:51: IGRP: Total routes in update: 1
You can turn the command off with the undebug or undebug all
command.
2501B#un
07:13:52: IGRP: received update from 172.16.40.2 on
Serial1
07:13:52: IGRP: Update contains 1 interior, 0 system, and
0 exterior routes.
07:13:52: IGRP: Total routes in update: 1
2501B#un all
All possible debugging has been turned off
The Debug IP IGRP Transactions Command
The debug ip igrp transactions command shows message requests from
neighbor routers asking for an update and the broadcasts sent from your
router towards that neighbor router.
In the following output, a request was received from a neighbor router on
network 172.16.40.2 to serial 1 of Router 2501B, which responded with an
update packet.
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