<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body dir="auto">
<div>I use the newest iPXE.efi download from <a href="http://boot.ipxe.org/ipxe.efi">http://boot.ipxe.org/ipxe.efi</a> This is no iBFT problem.</div>
<div id="AppleMailSignature">Use iscsi boot windows 10 Pro<br>
<br>
Sent from my iPhone</div>
<div><br>
On Mar 18, 2017, at 08:45, Christian Nilsson <<a href="mailto:nikize@gmail.com">nikize@gmail.com</a>> wrote:<br>
<br>
</div>
<blockquote type="cite">
<div><span>You have not provided any info as to which ipxe binary you are using,</span><br>
<span>ipxe.pxe for legacy or ipxe.efi should work (unless you are calling</span><br>
<span>the ipxe binary the above names but that makes little sense)</span><br>
<span></span><br>
<span>Again MTU larger then 1500 is not supported best performance is to use</span><br>
<span>a 1500MTU network</span><br>
<span></span><br>
<span>What exactly does "poor network performance" mean?</span><br>
<span></span><br>
<span>On Fri, Mar 17, 2017 at 1:52 PM, W Drinsun <<a href="mailto:be.wu@live.com">be.wu@live.com</a>> wrote:</span><br>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>I found iPXE has poor network performance, so I download The EFI drivers</span><br>
</blockquote>
<blockquote type="cite"><span>from its official website(intel nic</span><br>
</blockquote>
<blockquote type="cite"><span><a href="https://downloadcenter.intel.com/download/19186/Intel-Ethernet-Connections-Boot-Utility-Preboot-Images-and-EFI-Drivers">https://downloadcenter.intel.com/download/19186/Intel-Ethernet-Connections-Boot-Utility-Preboot-Images-and-EFI-Drivers</a>.</span><br>
</blockquote>
<blockquote type="cite"><span>)</span><br>
</blockquote>
<blockquote type="cite"><span>And use chain command to load driver like</span><br>
</blockquote>
<blockquote type="cite"><span>chain EnnnnX3.EFI For intel nic</span><br>
</blockquote>
<blockquote type="cite"><span>china Rxxxxx.efi. For Realtek nic</span><br>
</blockquote>
<blockquote type="cite"><span>and change MTU to 4088</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>My tested NIC list:</span><br>
</blockquote>
<blockquote type="cite"><span>Intel i210TI</span><br>
</blockquote>
<blockquote type="cite"><span>Intel 219v</span><br>
</blockquote>
<blockquote type="cite"><span>Realtek GBE</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Sent from my iPhone</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>On Mar 16, 2017, at 04:25, Christian Nilsson <<a href="mailto:nikize@gmail.com">nikize@gmail.com</a>> wrote:</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Maybe this commit explains it somewhat;</span><br>
</blockquote>
<blockquote type="cite"><span><a href="https://git.ipxe.org/ipxe.git/commit/16aed6e5ce808615df95c7767b4dd8793c398d93">https://git.ipxe.org/ipxe.git/commit/16aed6e5ce808615df95c7767b4dd8793c398d93</a></span><br>
</blockquote>
<blockquote type="cite"><span>Simply put iPXE does not support larger then 1500 mtu - it would</span><br>
</blockquote>
<blockquote type="cite"><span>probably require driver rewrites, but for some drivers it might just</span><br>
</blockquote>
<blockquote type="cite"><span>be to change MTU constants, to know more we need to know which driver</span><br>
</blockquote>
<blockquote type="cite"><span>you are using.</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>One other issue and reason that might mean this will never be</span><br>
</blockquote>
<blockquote type="cite"><span>implemented is issues with different hardware, for example SNP and</span><br>
</blockquote>
<blockquote type="cite"><span>UNDI which is setup by Firmware/BIOS/ROM is unlikely to support</span><br>
</blockquote>
<blockquote type="cite"><span>anything larger then 1500 and for those it mean a inconsistent</span><br>
</blockquote>
<blockquote type="cite"><span>behavior. Which care is taken to avoid.</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>On Tue, Mar 14, 2017 at 5:15 AM, W Drinsun <<a href="mailto:be.wu@live.com">be.wu@live.com</a>> wrote:</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>I set the mtu to 4088 like below conf</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>set mtu 4088</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>set keep-san 1</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>set netX/mtu 4088</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>set netX/keep-san 1</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>set netX/gateway 0.0.0.0</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>set net0/mtu 4088</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>set net0/keep-san 1</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>set net0/gateway 0.0.0.0</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>but still work with 1500 mtu</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>C:\Users\bewu>ping 192.168.7.157 -f -l 2000</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Pinging 192.168.7.157 with 2000 bytes of data:</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Reply from 192.168.7.131: Destination host unreachable.</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Reply from 192.168.7.131: Destination host unreachable.</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Reply from 192.168.7.131: Destination host unreachable.</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Reply from 192.168.7.131: Destination host unreachable.</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Ping statistics for 192.168.7.157:</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span> Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>C:\Users\bewu>ping 192.168.7.157 -f -l 1000</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Pinging 192.168.7.157 with 1000 bytes of data:</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Reply from 192.168.7.157: bytes=1000 time=420ms TTL=64</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Do you know has any patch or solution for working with 4088 mtu</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Sent from Mail for Windows 10</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>_______________________________________________</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>ipxe-devel mailing list</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span><a href="mailto:ipxe-devel@lists.ipxe.org">ipxe-devel@lists.ipxe.org</a></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span><a href="https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel">https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel</a></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
</div>
</blockquote>
</body>
</html>