First you need to discover targets under portal IP address:
iscsiadm --mode discovery --type sendtargets --portal 192.168.1.10 # Replace 192.168.1.10 with Your portal IP address
iscsiadm --mode node --targetname iqn.2001-05.com.doe:test --portal 192.168.1.1:3260 --login
iscsiadm --mode node --targetname iqn.2001-05.com.doe:test --portal 192.168.1.1:3260 --logout
iscsiadm --mode node
iscsiadm --mode node --targetname iqn.2001-05.com.doe:test --portal 192.168.1.1:3260