Hello Friends, I am getting following error while authenticating users. The request from pam_radius is reaching radius server and server is sending "Access-Accept". but client is not able to receive this message. Feb 1 14:25:40 (none) sshd[27321]: pam_radius_auth: Got user name userFeb 1 14:25:42 (none) sshd[27321]: pam_radius_auth: Sending RADIUS request code 1Feb 1 14:25:42 (none) sshd[27321]: pam_radius_auth: DEBUG: getservbyname(radius, udp) returned 722322004.Feb 1 14:25:45 (none) sshd[27321]: pam_radius_auth: RADIUS server 19.1.1.2 failed to respondFeb 1 14:25:45 (none) sshd[27321]: pam_radius_auth: DEBUG: get_ipaddr(other-server) returned 0.Feb 1 14:25:45 (none) sshd[27321]: pam_radius_auth: Failed looking up IP address for RADIUS server other-server (errcode=9)Feb 1 14:25:45 (none) sshd[27321]: pam_radius_auth: All RADIUS servers failed to respond.Feb 1 14:25:45 (none) sshd[27321]: pam_radius_auth: authentication failed Kindly help me to fix this problem. Thanks and Regards VIJAY S.