MY CCIE JOURNEY

The Tcp Flags

we have


Reserved bits like U|A|P|R|S|F

U=Urgent Reserved when set on 1|A|P|R|S|F
A=Ack Reserved when set on U|1|P|R|S|F
P=Push Reserved when set on U|A|1|R|S|F
R=Reset Reserved when set on U|A|P|A|S|F
S=Syn Reserved when set on U|A|P|A|1|F
F=Fin Reserved when set on U|A|P|A|S|1