Users Guide

• packetStart — Oset is at packet start.
oset bytes Enter the keyword offset then the oset value. The range is from 0 to 126, in multiples
of 2.
length bytes Enter the keyword length then the length value. The range is from 2 to 24, in multiples
of 2 bytes.
Defaults None
Command Modes CONFIGURATION-UDF TCAM
Example
Dell(conf-udf-tcam)#key innerL3header udf-id 6 packetbase innerL3Header offset
0 length 2
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0) Introduced on the S6000, Z9500, and S4048-ON.
Related Commands
udf-tcam — creates a context for UDF TCAM.
show cong — displays the current UDF TCAM prole conguration.
match
Congure the packet type to match for which the UDF oset bytes have to be parsed.
Syntax
match l2ethertype ipv4 ipprotocol value vlantag tagStatus
To return to the default settings, use the no match l2ethertype ipv4 ipprotocol value vlantag
tagStatus command.
Parameters
l2ethertype Enter the keyword l2ethertype to match the L2 Ethertype.
ipv4 Enter the keyword ipv4 to match the IPv4 packet.
ipprotocol value Enter the keyword ipprotocol then the option to match the IPv4 protocol. The
options are:
• IP protocol number. The range is from 0 to 255.
• icmp — Internet control message protocol.
•
tcp — Transmission control protocol.
• udp — User datagram protocol.
vlantag tagStatus Enter the keyword vlantag then the option to match the VLAN packet. The options
are:
• any — Any VLAN packet.
• double-tagged — Double tagged VLAN packet.
306 Access Control Lists (ACL)