Zeyad Mohammad1
, Ahmad Abusukhon2
and Marzooq A. Al-Maitah3
1Department of Computer Network, Al-Zaytoonah University of Jordan, Amman, Jordan
2Department of Computer Science, Al-Zaytoonah University of Jordan, Amman, Jordan
3Department of Computer Network, Al-Zaytoonah University of Jordan, Amman, Jordan
ABSTRACT
In an enterprise network, it is normal to use multiple dynamic routing protocols for forwarding packets.
Therefore, the route redistribution is an important issue in an enterprise network that has been configured
by multiple different routing protocols in its routers. In this study, we analyse the performance of the
combination of three routing protocols in each scenario and make a comparison among our scenarios. We
have used the OPNET 17.5 simulator to create the three scenarios in this paper by selecting three different
routing protocols from the distance vector and link state routing protocols in each scenario. In the first
scenario, the network routers are configured from EIGRP, IGRP, and IS-IS that is named
EIGRP_IGRP_ISIS in our simulation. The OSPF_IGRP_ISIS scenario is a mixed from EIGRP, IGRP, and
IS-IS protocols that is the second scenario. The third scenario is OSPF_IGRP_EIGRP that is the route
redistribution among OSPF, IGRP, and IS-IS protocols. The simulation results showed that the
performance of the EIGRP_IGRP_ISIS scenario is better than the other scenarios in terms of network
convergence time, throughput, video packet delay variation, and FTP download response time. In contrast,
the OSPF_IGRP_ISIS has less voice packet delay variation, video conferencing and voice packet end to
end delays, and queuing delay as compared with the two other scenarios. On the other hand, the
performance of the OSPF_IGRP_EIGRP scenario has better FTP upload response time, and voice jitter.
KEYWORDS
Route Redistribution, EIGRP, IGRP, IS-IS, OSPF.
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