IPV6_MTU_DISCOVER2const
Path maximum transfer unit size discovery
Usage
#include <netinet/in.h> /* Definition of IP* constants */ #include <sys/socket.h>
int setsockopt(int sockfd, IPPROTO_IPV6, IPV6_MTU_DISCOVER, const int *val, sizeof(int)); int getsockopt(int sockfd, IPPROTO_IPV6, IPV6_MTU_DISCOVER, int *val, sizeof(int));
Library
Standard C library (libc, -lc)
Overview
Set or receive the Path MTU Discovery setting for a socket.
Errors
See IPPROTO_IPV6(2const). See setsockopt(2). See ipv6(7).