Common Classifiers
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OmniAccess 5740 Unified Services Gateway CLI Configuration Guide
Alcatel-Lucent
ELEMENTS USED IN CONFIGURING CC
Classifications are composed of one or more rulesets each of which consists of
one or more rules. Rules in turn consists of individual elements arranged in a
specific manner. Elements are the basic building blocks and include the following:
E
LEMENT TYPES AND THEIR DESCRIPTIONS
This section provides details on the various parameters used while configuring the
Common Classifiers.
Element Type Description
IP address/mask (Subnet/
Prefix)
Specifies the IP address and mask or IP address
with prefix. Host can be specified for a single IP
address without a mask.
Host Implies a single IP address without a mask. The
keyword “host” must be prefixed with an IP
address.
from Specifies a 16 bit UDP or TCP Source port.
service Specifies a 16 bit UDP or TCP Destination port.
interface Refers to an interface in the system.
Protocol The protocols supported are: IP, TCP, UDP, and
ICMP. It is also possible to define a specific
protocol like IKE by using the keyword “Protocol”.
IP Precedence Specifies the IP precedence.
ToS Specifies the Type of Service.
ICMP type and subtype When ICMP is specified as protocol, the ICMP
type and sub-type can be included in the ruleset.
TCP Flags TCP flags such as RST, SYN, FIN, ACK, URG.
This is valid only when the protocol is TCP.
Fragment flag Used to match an IP fragment.
Packet length Specifies a packet length.
Range used with Packet
Length
Specifies the range of a packet length.
Traffic type or class (Type) A higher level description of the packet stored in
the packet context, derived from some application
or feature. Used by the ALGs (Application Level
Gateways).
DSCP Specifies IP Differential Service Code Point
(DSCP).
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