yggdrasil-network/yggdrasil-go
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Fix MTU issues with TAP adapters

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This commit is contained in:
Neil Alexander 2018-01-25 17:44:56 +00:00
parent d52fab8af6
commit e44f64bea0
2 changed files with 31 additions and 7 deletions
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21
src/yggdrasil/tun_windows.go
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@ -39,12 +39,31 @@ func (tun *tunDevice) setup(ifname string, addr string, mtu int) error {
}
tun.iface = iface
tun.mtu = mtu
err = tun.setupMTU(tun.mtu)
if err != nil {
panic(err)
}
return tun.setupAddress(addr)
}
func (tun *tunDevice) setupMTU(mtu int) error {
// Set MTU
cmd := exec.Command("netsh", "interface", "ipv6", "set", "subinterface",
fmt.Sprintf("interface=%s", tun.iface.Name()),
fmt.Sprintf("mtu=%d", mtu),
"store=active")
tun.core.log.Printf("netsh command: %v", strings.Join(cmd.Args, " "))
output, err := cmd.CombinedOutput()
if err != nil {
tun.core.log.Printf("Windows netsh failed: %v.", err)
tun.core.log.Println(string(output))
return err
}
return nil
}
func (tun *tunDevice) setupAddress(addr string) error {
// Set address
// addr = strings.TrimRight(addr, "/8")
cmd := exec.Command("netsh", "interface", "ipv6", "add", "address",
fmt.Sprintf("interface=%s", tun.iface.Name()),
fmt.Sprintf("addr=%s", addr),