Kings,

When you say "For "FFFF", 2 bytes is the size", what exactly do you mean ?

Because my router throws this error when i try to configure size = 2

R1(config)#class-map type access-control match-all ICMP-FILTER-CM
R1(config-cmap)#match start ICMP payload-start offset 0 size 2 string "FFFF"
% Error - string specified is longer than the search space specified

Also, FFFF to be 2 bytes, that means each 'F' needs 4 bits to represent. We
are thinking  F as a HEX value ? Strings cannot be read as hex, can they?
How will you represent a string like "USER" then ?

Regards,
Karthik
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