![Why wireshark marks TCP checksum and IP checksum field as incorrect even though communication is working fine? Why wireshark marks TCP checksum and IP checksum field as incorrect even though communication is working fine?](https://www.ibm.com/support/pages/system/files/support/isg/isgtech.nsf/0/cde15d0d751eb80a85258051005c956f/Content/23.3628.jpg)
Why wireshark marks TCP checksum and IP checksum field as incorrect even though communication is working fine?
![Synopsys IP Technical Bulletin: IP and TCP/UDP Checksum Offload Functionality and its Support in Synopsys' DesignWare Ethernet MAC 10/100/1000 - Universal Core Synopsys IP Technical Bulletin: IP and TCP/UDP Checksum Offload Functionality and its Support in Synopsys' DesignWare Ethernet MAC 10/100/1000 - Universal Core](https://www.synopsys.com/dw/dwtb/ethernet_mac/ipv4.gif)
Synopsys IP Technical Bulletin: IP and TCP/UDP Checksum Offload Functionality and its Support in Synopsys' DesignWare Ethernet MAC 10/100/1000 - Universal Core
![Ethernet packet-error-rate and IPv4 Checksum error rate as a function... | Download Scientific Diagram Ethernet packet-error-rate and IPv4 Checksum error rate as a function... | Download Scientific Diagram](https://www.researchgate.net/profile/Antonino-Nespola/publication/224189415/figure/fig4/AS:667827707072520@1536233941797/Ethernet-packet-error-rate-and-IPv4-Checksum-error-rate-as-a-function-of-the-received_Q640.jpg)
Ethernet packet-error-rate and IPv4 Checksum error rate as a function... | Download Scientific Diagram
![Why the ip header checksum field of the IP(ICMP) packet sent by F-stack is '0' · Issue #317 · F-Stack/f-stack · GitHub Why the ip header checksum field of the IP(ICMP) packet sent by F-stack is '0' · Issue #317 · F-Stack/f-stack · GitHub](https://user-images.githubusercontent.com/29970645/50401216-ccf4ea80-07c7-11e9-9411-ced095c5ff58.png)
Why the ip header checksum field of the IP(ICMP) packet sent by F-stack is '0' · Issue #317 · F-Stack/f-stack · GitHub
![Paper Background Frame, Cyclic Redundancy Check, Network Packet, Local Interconnect Network, Ethernet Frame, Header, Communication Protocol, Checksum, Frame, Cyclic Redundancy Check, Network Packet png | PNGWing Paper Background Frame, Cyclic Redundancy Check, Network Packet, Local Interconnect Network, Ethernet Frame, Header, Communication Protocol, Checksum, Frame, Cyclic Redundancy Check, Network Packet png | PNGWing](https://w1.pngwing.com/pngs/850/1010/png-transparent-paper-background-frame-cyclic-redundancy-check-network-packet-local-interconnect-network-ethernet-frame-header-communication-protocol-checksum.png)
Paper Background Frame, Cyclic Redundancy Check, Network Packet, Local Interconnect Network, Ethernet Frame, Header, Communication Protocol, Checksum, Frame, Cyclic Redundancy Check, Network Packet png | PNGWing
![Ethernet packet-error-rate and IPv4 Checksum error rate as a function... | Download Scientific Diagram Ethernet packet-error-rate and IPv4 Checksum error rate as a function... | Download Scientific Diagram](https://www.researchgate.net/publication/224189415/figure/fig4/AS:667827707072520@1536233941797/Ethernet-packet-error-rate-and-IPv4-Checksum-error-rate-as-a-function-of-the-received.png)