Hi, > Dears, > > Anyone know what is wrong with the below range ? > Yep, host bits are set You need to put in the network > router ospf 386 > vrf AAA > area 0.0.0.1 stub no-summary > > NX9KB9002(config-router-vrf)# area 1 range 10.203.165.80/28 > Invalid range, host bits are set > > Br. > KAYSSAR Brian