How To Fix RT249 - LAN -- Packets in: Packets per second

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 249

• Message text: LAN -- Packets in: Packets per second

INCLUDE BC_MONI_LAN OBJECT DOKU ID TX LANGUAGE EN
To get more detailed information about the LAN, select the node and
choose <LS>Start Analysis Method</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RT249 - LAN -- Packets in: Packets per second ?

  The SAP error message RT249, which refers to "LAN -- Packets in: Packets per second," typically indicates an issue related to network performance or configuration. This error can arise when the number of packets being received on the network interface exceeds a certain threshold, which can lead to performance degradation or connectivity issues.
  Causes:
  
  High Network Traffic: Excessive data transmission can overwhelm the network interface, leading to packet loss or delays.
  Network Configuration Issues: Misconfigured network settings, such as incorrect MTU (Maximum Transmission Unit) size or duplex settings, can contribute to packet loss.
  Hardware Limitations: The network interface card (NIC) or other hardware components may not be capable of handling the volume of traffic.
  Network Congestion: Other devices on the network may be consuming bandwidth, leading to congestion and packet loss.
  Malware or Network Attacks: Malicious activities, such as DDoS attacks, can generate a high volume of packets, overwhelming the network.
  
  Solutions:
  
  Monitor Network Traffic: Use network monitoring tools to analyze traffic patterns and identify sources of high packet rates.
  Optimize Network Configuration:
  
  Ensure that the MTU size is correctly configured for your network.
  Check and adjust duplex settings to match the capabilities of the devices on the network.
  
  
  Upgrade Hardware: If the NIC or other hardware components are outdated or insufficient, consider upgrading to a more capable device.
  Implement Quality of Service (QoS): Configure QoS settings to prioritize critical traffic and manage bandwidth usage effectively.
  Check for Malware: Run security scans to ensure that there are no malicious activities affecting network performance.
  Network Segmentation: If possible, segment the network to reduce congestion and improve performance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to network performance issues.
  Network Monitoring Tools: Tools like Wireshark, SolarWinds, or PRTG can help diagnose network issues.
  Documentation: Review SAP documentation for best practices on network configuration and performance tuning.
  Consult with IT: If the issue persists, consult with your IT department or network specialists for further analysis and resolution.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the RT249 error and improve overall network performance in your SAP environment.