UDF = User Define Format.
The parameter
“
ipv4-head
”
indicates the
packet is parsed at the beginning with the
IPv4 header.
The parameter
“
l4-head
”
indicates the
packet is parsed at the beginning with the
layer4 header.
Udf value and wildcard bits both have 32
bits, If a bit in wildcard is 0 means this bit
needs to check, otherwise this bit should be
ignored.
The parameter
“
UDF_OFFSET
”
specifies the
offset bits from the beginning. The valid
range of the offset is 0 -60.
Specify the inner match profile of the flow
rule.
The inner-match profile is created by “inner-
match” command in global configuration
mode.