@ -460,7 +460,7 @@ tun_setmtu(const unsigned mtu)
#ifndef WINDOWS32
char cmdline[512];
if (mtu > 200 && mtu < 1500) {
if (mtu > 200 && mtu <= 1500) {
snprintf(cmdline, sizeof(cmdline),
"/sbin/ifconfig %s mtu %u",
if_name,