https://www.cisco.com/c/en/us/support/docs/ip/interior-gateway-routing-protocol-igrp/13724-55.html
Why Doesn't RIP or IGRP Support Discontiguous Networks? - Cisco
A discontiguous network comprises a major net that separates another major net. In Figure 1, a subnet of network 172.20.0.0 separates network 172.16.0.0....
ripigrpsupportnetworkscisco
https://docs3.igrp.cv/
IGRP 3.0 - Documentação Oficial
Documentação oficial do IGRP 3.0 - Plataforma Low Code para transformação digital
igrpoficial