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kridsana's avatar
kridsana
Icon for Cirrocumulus rankCirrocumulus
Dec 26, 2012

How to clear Don't Fragment (DF) bit

there is some virtual server that have a problem that     packet segment lost when MTU = 1500     so i want to clear DF bit to fix this problem , and how to clear it?     than...
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nitass's avatar
nitass
Icon for Employee rankEmployee
Jan 17, 2013
after F5 reassemble TCP , it send packet 1500 to client but checkpoint drop it and return ICMP fragmentation needed to F5 with MTU next hop 1476.you do see it in tcpdump, don't you? have you provided support the tcdpump? it is C1263209, isn't it? what is the tcpdump filename?