... Router(config-if)#ip summary-address eigrpautonomous-system-number ip-address mask administrative-distance 8. The EIGRP hello interval should be tuning to 10 seconds R1(config-if)#ip ... Router(config-router)#no auto-summary Note : - Automatic summarization may not be the preferred option in certain instances. For example, if there are discontiguous subnetworks auto-summarization ... command: Router(config-router)#network network-number 7. Do NOT allow any autosumarization running on these routers. To turn off auto-summarization, use the following...