IGRP Q & A
1: Which UDP port number is used to access IGRP?
*** IGRP does not use a UDP port. It is accessed directly from the network layer, as protocol number 9.
2: What is the maximum IGRP internetwork diameter, in hops?
*** The maximum IGRP network diameter is 255 hops.
3: What is the default update period for IGRP?
*** The default IGRP update period is 90 seconds.
4: Why does IGRP specify an autonomous system number?
*** IGRP specifies an autonomous system number so that multiple IGRP processes can be enabled within the same routing domain and even on the same router.
5: What is the default IGRP holddown time?
** The default IGRP holddown time is 280 seconds.
6: Which variables can IGRP use to calculate its composite metric?
** IGRP can use bandwidth, delay, load, and reliability to calculate its metric. By default, it uses only bandwidth and delay.
7: How many entries can be carried within a single IGRP update packet?
** An IGRP update packet can carry up to 104 route entries.
*** IGRP does not use a UDP port. It is accessed directly from the network layer, as protocol number 9.
2: What is the maximum IGRP internetwork diameter, in hops?
*** The maximum IGRP network diameter is 255 hops.
3: What is the default update period for IGRP?
*** The default IGRP update period is 90 seconds.
4: Why does IGRP specify an autonomous system number?
*** IGRP specifies an autonomous system number so that multiple IGRP processes can be enabled within the same routing domain and even on the same router.
5: What is the default IGRP holddown time?
** The default IGRP holddown time is 280 seconds.
6: Which variables can IGRP use to calculate its composite metric?
** IGRP can use bandwidth, delay, load, and reliability to calculate its metric. By default, it uses only bandwidth and delay.
7: How many entries can be carried within a single IGRP update packet?
** An IGRP update packet can carry up to 104 route entries.
posted by Arivu at
3:10 pm
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