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[Sysname-acl-adv-3003] rule permit udp source-port eq snmptrap

[Sysname-acl-adv-3003] rule permit udp destination-port eq snmp

[Sysname-acl-adv-3003] rule permit udp destination-port eq snmptrap

Related commands

• acl

• acl logging interval

• display acl

• step

• time-range

rule (IPv4 basic ACL view)

Use rule to create or edit an IPv4 basic ACL rule.

Use undo rule to delete an entire IPv4 basic ACL rule or some attributes in the rule.

Syntax

rule [ rule-id ] { deny | permit } [ counting | fragment | logging | source { source-address

source-wildcard | any } | time-range time-range-name | vpn-instance vpn-instance-name ] *

Default

An IPv4 basic ACL does not contain any rule.

Views

IPv4 basic ACL view

Predefined user roles

network-admin

Parameters

rule-id: Specifies a rule ID in the range of 0 to 65534. If you do not specify a rule ID when creating an

ACL rule, the system automatically assigns it a rule ID. This rule ID is the nearest higher multiple of the

numbering step to the current highest rule ID, starting from 0. For example, if the rule numbering step is

5 and the current highest rule ID is 28, the rule is numbered 30.

deny: Denies matching packets.

permit: Allows matching packets to pass.

counting: Counts the number of times the IPv4 basic ACL rule has been matched. The counting keyword

enables match counting specific to rules, and the hardware-count keyword in the packet-filter command

enables match counting for all rules in an ACL. If the counting keyword is not specified, matches for the

rule are not counted.

fragment: Applies the rule only to non-first fragments. If you do not specify this keyword, the rule applies

to both fragments and non-fragments.

logging: Logs matching packets. This function is available only when the application module (for

example, packet filtering) that uses the ACL supports the logging function.

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