Hi, How to do a telnet to ipv6 address ping6 -I eth0 ee80::250:56ff:fe1f:85fe 64 bytes from ee80::250:56ff:fe1f:85fe: icmp_seq=0 ttl=64 time=6.23 ms 64 bytes from ee80::250:56ff:fe1f:85fe: icmp_seq=1 ttl=64 time=0.175 ms /usr/bin/telnet ee80::250:56ff:fe1f:85fe Trying ee80::250:56ff:fe1f:85fe... telnet: connect to address fe80::250:56ff:fe1f:85fe: Invalid argumet -- Regards, Rajiv