HP configured smaller MTU defaults in driver version 7.8.x.x, released on 2/18/2014. To check the version of your current driver please look at the properties of bxnd60a.sys. If you are still experiencing issues or are unable to update the driver, please contact the OEM for assistance with this.

So to test for MTU of 9000, you actually need to set your ping packet size to 9000-28 = 8972. By adjusting the MTU value its possible to find the supported MTU value in the network. If the MTU value is not enables in the client side the ping output will be : PING xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): 8184 data bytes ping: sendto: Message too long Oct 25, 2010 · I've installed another Windows 2003 Server with Exchange 2007 Hub Transport Role, which has the 1 Cert with just SMTP as the service. We're experiencing the exact same issue. At this stage i don't see any changes made specifically on the Checkpoints regarding the MTU. I'm still looking into that. On the ASAs the MTU is specified to 1500. I'm trying to set the MTU for a physical interface programmatically on Windows 7:. PS> (Get-WmiObject -Class Win32_NetworkAdapterConfiguration | Where { $_.Description -match '^Red Hat.*#2' }) DHCPEnabled : False IPAddress : {, fe80::447d:38dc:bb39:f311} DefaultIPGateway : DNSDomain : ServiceName : netkvm Description : Red Hat VirtIO Ethernet Adapter #2 Index : 12 PS> (Get-WmiObject Windows 7 64 bit Intel Core i7-3920XM CPU @ 2.90GHZ 3.10 GHZ 24 GB Of Ram Nvidia GeForce GTX 670M (3 GB) Killer e2200 PCI-E Gigabit Ethernet Controller Network Adapter (since im connected via wired) In this particular case, there was a perfect storm situation where my ISP was pushing the MTU size at 576 in the DHCP negotiation and my firewall was preferring that setting over the specified MTU size for the connection. I ended up manually configuring the firewall to ignore the MTU setting from the DHCP negotiation.

Apr 18, 2012 · Best pactices allways point to reduce MTU on VPN tunnels definitions like to 1392, as it will give enough core packet + VPN overload. So you have a packet that is 1500 , VPN adds let say just 64 and on your outside interface mtu is limited to 1500 - guess what VPN packet end up splited to 2 packets.

Added some pop-up information for the registry setting. Read the full changelog Simple MTU Test is designed to test the Internet connection by sending a series of packets and checking which ones

Correcting a MTU issue: The First step in correcting a possible MTU issue is to contact your ISP (Internet service provider). Ask them what their MTU is set to. This way you can adjust your router to the same settings. Adjusting the router’s MTU is the best solution because it avoids the need to adjust individual devices.

Personally I have never had to manually manipulate the MTU value on any of my PCs ever. MS-MVP Windows Desktop Experience, "When all else fails, read the instructions" MS-MVP Windows Expert - Consumer "When all else fails read the instructions" Aug 12, 2010 · To change your MTU setting in Windows Server 2003 or 2008 use the following steps: Open regedit as an administrator account on the server in question. Navigate to HKLM\System\CurrentControlSet\services\Tcpip\Parameters\Interfaces\[Choose the interface in question] (Do this by checking the correct IP address is in the settings under this key for