On Fri, 31 Aug 2018 23:19:38 +0500 waqas ahmed <[email protected]> wrote:
> Hi Everyone, > i have kvm with two ports, i am getting rtp stream from port 0 and just > change source ip of each packet and recalculate ipv4 checksum. then same > pkt mbuf is got rte_eth_tx_burst from port1. > but on vm2 wireshark shows that Frame check sequence is incorrect, that > seems that while getting same mbuf out from port1 cant get FCS > recalculated? by emulated nic. > kind regards and any help is appreciated. almost all nic's inside a hypervisor do not support getting FCS. FCS is used when transferring data over physical wires, and really makes no sense in a virtual environment.
