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List:       libnet
Subject:    IPv6 & Libnet
From:       Julio Baixauli <baixauli () MAT ! UPC ! ES>
Date:       2000-09-19 13:14:27
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	Hello!

	I'm trying to write IPv6 packets but I have a problem. I receive a
"network unreachable" when I try to send a packet to ::ffff:0:9353:27d8
(in my local IPv6 network), but I can make a ping to this address. What
could be the error?
	I use a custom write_ip6 function:
___________________________________________________________________
int my_libnet_write_ip6(int sock, u_char *buf, int len)
{
    int c;
    struct sockaddr_in6 sin;
    struct my_ip6_hdr  *ip_hdr;

    ip_hdr = (struct my_ip6_hdr *)buf;

// if LIBNET_BSD_BYTE_SWAP ???

    memset(&sin, 0, sizeof(struct sockaddr_in6));
    sin.sin6_family = AF_INET6;

    memcpy( &sin.sin6_addr, &ip_hdr->ip6_src, sizeof(struct in6_addr));

    c = sendto(sock, buf, len, 0, (struct sockaddr *)&sin, sizeof(sin));

// if LIBNET_BSD_BYTE_SWAP ???

    return (c);
}
_____________________________________________________________________

	It's similar to the libnet_write_ip() function. I'm not sure if I have
to swap byte order (if LIBNET_BSD_BYTE_SWAP ???), I'm using Linux Red
Hat.

	Any ideas on this IPv6 problem?

	Thank you very much!

--
********************************************

	Julio Baixauli Garreta
	baixauli@mat.upc.es

********************************************

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