ùISO8859-1 MxGÆ8G Wc>xK· I M g"usage : pmtu [-inet/inet6] display/delete [-dst destination] [-gw gateway] ""usage : pmtu -inet6 -display/delete [-dst destination] [-gw gateway] ""usage : pmtu delete [-dst destination] [-gw gateway] " "cannot open ""Bad read ""Bad address found ""usage : pmtu -inet6 delete [-dst destination] [-gw gateway] " "usage : pmtu [-inet6] display/[delete [-dst destination] [-gw gateway]] ""usage : pmtu -inet6 -display/[delete [-dst destination] [-gw gateway]] ""Bad destination value ""Bad gateway value "