nope this is a valid address infact i could assign this to my network interface and i can ping it from outside the problem i m not able to bind to the address thru a C program Bind fails The Address belongs to a class of what u call globally unique Unicast addresses -SIGTERM amit ----- Original Message ----- From: "Ian Johannesen" <ian.johannesen@netdoktor.com> To: "Amit Limaye" <amit.limaye@patni.com> Cc: <linux-net@vger.kernel.org> Sent: Wednesday, January 08, 2003 4:09 PM Subject: Re: binding to Ipv6 Address - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html