Package: ipvsadm

"ipvsadm" package binaries on CentOS:

/sbin/ipvsadm /sbin/ipvsadm-restore /sbin/ipvsadm-save

You may install this package on CentOS with yum install ipvsadm

"ipvsadm" package binaries on Debian:

/sbin/ipvsadm /sbin/ipvsadm-restore /sbin/ipvsadm-save

You may install this package on Debian with apt-get install ipvsadm