https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-configure-the-switch-to-allow-specific-packets-with-fcs/m-p/47893#M12433 Hi Todd,By definition, these "damaged" frames are to be discarded and won't be forwarded at all. I don't believe there is a way to permit them, unless <A href="https://documentation.extremenetworks.com/exos_commands/EXOS_All/EXOS_Commands_All/r_configure-forwarding-switchingmode.shtml" target="_blank" rel="nofollow noreferrer noopener">cut-through switching</A> will allow it.<BR /> Thu, 14 Jun 2018 00:06:00 GMT Drew_C 2018-06-14T00:06:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-configure-the-switch-to-allow-specific-packets-with-fcs/m-p/47892#M12432 We are using a Summit X460-48t Network Switch between a Linux box and some custom HW. For testing purposes I would like to send some packets with a known, corrupted FCS and see the response on the custom HW. Is there a way to configure the switch to allow some specific packets to pass through with FCS errors? For instance, if they are addressed to a specific MAC or IP address?? In this case, the packets will all be ICMP or SNMP messages. Thu, 15 Mar 2018 01:02:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-configure-the-switch-to-allow-specific-packets-with-fcs/m-p/47892#M12432 Todd 2018-03-15T01:02:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-configure-the-switch-to-allow-specific-packets-with-fcs/m-p/47893#M12433 Hi Todd,By definition, these "damaged" frames are to be discarded and won't be forwarded at all. I don't believe there is a way to permit them, unless <A href="https://documentation.extremenetworks.com/exos_commands/EXOS_All/EXOS_Commands_All/r_configure-forwarding-switchingmode.shtml" target="_blank" rel="nofollow noreferrer noopener">cut-through switching</A> will allow it.<BR /> Thu, 14 Jun 2018 00:06:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-configure-the-switch-to-allow-specific-packets-with-fcs/m-p/47893#M12433 Drew_C 2018-06-14T00:06:00Z