I'm working on an API that should connect via IPv4 and Ipv6 to a server via
UDP packets and send/receive information to/from that server.
Please see the below example. This seems to work even though I've specified
"udp" and not "udp6" (Both server and client address are local to a network)
package main
import (
"fmt"
"net"
)
func CheckError(err error) {
if err != nil {
fmt.Println("Error: " , err)
}
}
func main() {
ServerAddr,err :=
net.ResolveUDPAddr("udp","[0:0:0:0:0:ffff:c0a8:cd36]:5400")
CheckError(err)
LocalAddr, err := net.ResolveUDPAddr("udp",
"[0:0:0:0:0:ffff:c0a8:130]:5400")
CheckError(err)
Conn, err := net.DialUDP("udp", LocalAddr, ServerAddr)
CheckError(err)
defer Conn.Close()
}
However, once I replace those "udp" strings with "udp6" as indicated in the
documentation, I get an error from the DialUDP() method "dial udp6
192.168.1.48:5400->192.168.205.54:5400: bind: can't assign requested
address".
For what it's worth, the code works if I replace those ipv6 strings with
their ipv4 strings and use "udp4" instead of "udp".
Can someone explain why udp6 doesn't seem to work?
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