Hi,
Thanks for the info.Please do the following.
1.Stop your sap instance .
2.Copy or backup of file hosts,resolv.conf from /etc to somewhere.
3.Change entries under /etc/hosts like
127.0.0.1 localhost.localdomain localhost
192.0.0.86 <hostname> <fdqnname>
:wq!
4.Comment both DNS entries under /etc/resolv.conf & save.
5..Share rpm info of glibc by command rpm -qa glibc,if possible do command yum update glibc for updating glibc pacakage.
Regards,
Gaurav