How to create CSR with SANs using keytool

Step1: Generating the Key

keytool -genkey -keystore Identity_trust.jks -storepass srinfosolutions -alias 192.168.0.3 -validity 365 -keyalg RSA -keysize 2048 -dname "CN=192.168.0.3,OU=IT,O=Dell USA L.P.,L=SRInfo,ST=Texas,C=US" ext SAN=dns:192.168.0.4,dns:192.168.0.5

step2 - create request file (.csr) file usinng keytool command 

keytool -certreq -alias 192.168.0.3 -storepass srinfosolutions -keyalg RSA -file certreq.csr -keystore Identity_trust.jks