Scope:
This solution replies to:
- NG Network Access Client versions 2.0-SPx
- Entegra Client versions 1.0-SPx, 2.0-SPx
- NG Network Access Client versions 2.0-SPx
- Entegra Client versions 1.0-SPx, 2.0-SPx
Symptoms:
This behavior occurs, if checksum offloading is enabled on the network adapter and the firewall is enabled.Solution:
Especially UDP-packets (but also in example ICMP probing packages of the Health Agent itself) fail, because checksum is not calculated correctly on the network adapter.
Disable the "Task Offload" / "Checksum Offload" via registry.
1. Open registry editor: Start > Run > regedit.exe
2. Open HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Tcpip\Parameters
3. Create the DWORD entrie "DisableTaskOffload" with value "1"
Disable the "Task Offload" / "Checksum Offload" via registry.
1. Open registry editor: Start > Run > regedit.exe
2. Open HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Tcpip\Parameters
3. Create the DWORD entrie "DisableTaskOffload" with value "1"
Link to This Page:
https://campus.barracuda.com/solution/50160000000IKbnAAG