hpnicfTunnelGreKeepaliveEnabled 1.3.6.1.4.1.11.2.14.11.15.2.53.1.1.6.1.6

This MIB object specifies whether or not keepalive is used. A value of true indicates that keepalive SHOULD be used. When keepalive is not be used, the value of hpnicfTunnelGreKeepaliveInterval and hpnicfTunnelGreKeepaliveTimes MUST be zero.