interval: Specifies the interval at which log entries are generated and output. It must be a multiple of 5, in the range of 0 to 1440 minutes. To disable the logging, set the value to 0.

Usage guidelines

The logging feature is available for IPv4 or IPv6 ACL rules that have the logging keyword.

You can configure the ACL module to generate log entries for packet filtering and output them to the information center at the output interval. The log entry records the number of matching packets and the matched ACL rules. When the first packet of a flow matches an ACL rule, the output interval starts, and the device immediately outputs a log entry for this packet. When the output interval ends, the device outputs a log entry for subsequent matching packets of the flow.

For more information about the information center, see Network Management and Monitoring Configuration Guide.

Examples

# Configure the device to generate and output packet filtering log entries every 10 minutes.

<Sysname> system-view

[Sysname] acl logging interval 10

Related commands

rule (IPv4 advanced ACL view)

rule (IPv4 basic ACL view)

rule (IPv6 advanced ACL view)

rule (IPv6 basic ACL view)

display packet-filter

Use display packet-filter to display ACL application information for packet filtering.

Syntax

display packet-filter { global | interface [ interface-type interface-number ] } [ inbound | outbound ][ slot slot-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

global: Specifies all physical interfaces.

interface [ interface-type interface-number ]: Specifies an interface by its type and number. If you do not specify an interface, this command displays ACL application information for packet filtering on all interfaces. If you specify an Ethernet interface, you do not need to specify the slot slot-number option.

vlan-interface: Specifies the list of VLAN interfaces specified in the packet-filter vlan-interface command.

inbound: Specifies the inbound direction.

outbound: Specifies the outbound direction.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify a member device, this command displays ACL application information for packet filtering for the master device.

Usage guidelines

If neither the inbound keyword nor the outbound keyword is specified, this command displays ACL application information for packet filtering in both directions.

Examples

# Display ACL application information for inbound packet filtering on interface GigabitEthernet 1/0/1.

<Sysname> display packet-filter interface gigabitethernet 1/0/1 inbound

Interface: GigabitEthernet1/0/1

Inbound policy:

IPv4 ACL 2001, Share-mode

IPv6 ACL 2002 (Failed)

MAC ACL 4003

Table 1 Command output

Field	Description
Interface	Interface to which the ACL applies.
VLAN	VLAN to which the ACL applies.
Global	ACL application for packet filtering on all physical interfaces.
Interface: GigabitEthernet1/0/1 Service Instance ID: 1	Ethernet service instance to which the ACL applies. GigabitEthernet1/0/1 is the interface where the Ethernet service instance resides.
Inbound policy	ACL used for filtering incoming traffic.
Outbound policy	ACL used for filtering outgoing traffic.
IPv4 ACL 2001	IPv4 basic ACL 2001 has been successfully applied.
IPv6 ACL 2002 (Failed)	The device has failed to apply IPv6 basic ACL 2002.
Share-mode	Sharing mode for QoS and ACL resources. This field appears in the command output only if an ACL is applied with the share-mode keyword.
IPv4 default action	Packet filter default action for packets that do not match any IPv4 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering. · Hardware-count—The hardware-count feature has been successfully applied for the default action for packet filtering. · Hardware-count (Failed)—The device has failed to apply the hardware-count feature for the packet filtering default action.
IPv6 default action	Packet filter default action for packets that do not match any IPv6 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering. · Hardware-count—The hardware-count feature has been successfully applied for the default action for packet filtering. · Hardware-count (Failed)—The device has failed to apply the hardware-count feature for the packet filtering default action.
MAC default action	Packet filter default action for packets that do not match any Layer 2 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering. · Hardware-count—The hardware-count feature has been successfully applied for the default action for packet filtering. · Hardware-count (Failed)—The device has failed to apply the hardware-count feature for the packet filtering default action.

‌

display packet-filter statistics

Use display packet-filter statistics to display packet filtering statistics.

Syntax

display packet-filter statistics { global | interface interface-type interface-number } { inbound | outbound } [ [ ipv6 | mac ] { acl-number | name acl-name } ] [ brief ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

global: Displays the statistics for all physical interfaces.

interface interface-type interface-number: Specifies an interface by its type and number.

vlan-interface: Specifies the list of VLAN interfaces specified in the packet-filter vlan-interface command.

inbound: Specifies the inbound direction.

outbound: Specifies the outbound direction.

ipv6: Specifies the IPv6 ACL type.

mac: Specifies the Layer 2 ACL type.

acl-number: Specifies an ACL by its number. The following are available value ranges:

· 2000 to 2999 for basic ACLs.

· 3000 to 3999 for advanced ACLs.

· 4000 to 4999 for Layer 2 ACLs.

name acl-name: Specifies an ACL by its name. The acl-name argument is a case-insensitive string of 1 to 63 characters.

brief: Displays brief statistics.

Usage guidelines

If you do not specify any parameters, this command displays packet filtering statistics for all ACLs.

To specify the IPv4 ACL type, do not specify the ipv6 keyword.

Examples

# Display packet filtering statistics for all ACLs on incoming packets of GigabitEthernet 1/0/1.

<Sysname> display packet-filter statistics interface gigabitethernet 1/0/1 inbound

Interface: GigabitEthernet1/0/1

Inbound policy:

IPv4 ACL 2001, Hardware-count

From 2019-06-04 10:25:21 to 2019-06-04 10:35:57

rule 0 permit source 2.2.2.2 0 (2 packets)

rule 5 permit source 1.1.1.1 0 (Failed)

Totally 2 packets permitted, 0 packets denied

Totally 100% permitted, 0% denied

IPv6 ACL 2000

MAC ACL 4000

rule 0 permit

Table 2 Command output

Field	Description
Interface	Interface to which the ACL applies.
Global	ACL applied globally.
Inbound policy	ACL used for filtering incoming traffic.
Outbound policy	ACL used for filtering outgoing traffic.
IPv4 ACL 2001	IPv4 basic ACL 2001 has been successfully applied.
IPv4 ACL 2002 (Failed)	The device has failed to apply IPv4 basic ACL 2002.
Hardware-count	ACL rule match counting in hardware has been successfully enabled.
Hardware-count (Failed)	The device has failed to enable counting ACL rule matches in hardware.
From 2019-06-04 10:25:21 to 2019-06-04 10:35:57	Start time and end time of the statistics.
2 packets	Two packets matched the rule. This field is not displayed when no packets matched the rule.
No resource	Resources are not enough for counting matches for the rule. In packet filtering statistics, this field is displayed for a rule when resources are not sufficient for rule match counting.
rule 5 permit source 1.1.1.1 0 (Failed)	The device has failed to apply rule 5.
Totally 2 packets permitted, 0 packets denied	Number of packets permitted and denied by the ACL.
Totally 100% permitted, 0% denied	Ratios of permitted and denied packets to all packets.
IPv4 default action	Packet filter default action for packets that do not match any IPv4 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering.
IPv6 default action	Packet filter default action for packets that do not match any IPv6 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering.
MAC default action	Packet filter default action for packets that do not match any Layer 2 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering.
Totally 7 packets	The default action has been executed on seven packets.

‌

Related commands

reset packet-filter statistics

display packet-filter statistics sum

Use display packet-filter statistics sum to display accumulated packet filtering statistics for an ACL.

Syntax

display packet-filter statistics sum { inbound | outbound } [ ipv6 | mac ] { acl-number | name acl-name } [ brief ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

inbound: Specifies the inbound direction.

outbound: Specifies the outbound direction.

ipv6: Specifies the IPv6 ACL type.

mac: Specifies the Layer 2 ACL type.

acl-number: Specifies an ACL by its number. The following are available value ranges:

· 2000 to 2999 for basic ACLs.

· 3000 to 3999 for advanced ACLs.

· 4000 to 4999 for Layer 2 ACLs.

name acl-name: Specifies an ACL by its name. The acl-name argument is a case-insensitive string of 1 to 63 characters.

brief: Displays brief statistics.

Usage guidelines

To specify the IPv4 ACL type, do not specify the ipv6 keyword.

Examples

# Display accumulated packet filtering statistics for IPv4 basic ACL 2001 on incoming packets.

<Sysname> display packet-filter statistics sum inbound 2001

Sum:

Inbound policy:

IPv4 ACL 2001

rule 0 permit source 2.2.2.2 0 (2 packets)

rule 5 permit source 1.1.1.1 0

Totally 2 packets permitted, 0 packets denied

Totally 100% permitted, 0% denied

# Display brief accumulated packet filtering statistics for IPv4 basic ACL 2000 on incoming packets.

<Sysname> display packet-filter statistics sum inbound 2000 brief

Sum:

Inbound policy:

IPv4 ACL 2000

Totally 2 packets permitted, 0 packets denied

Totally 100% permitted, 0% denied

Table 3 Command output

Field	Description
Sum	Accumulated packet filtering statistics.
Inbound policy	Accumulated packet filtering statistics in the inbound direction.
Outbound policy	Accumulated packet filtering statistics in the outbound direction.
IPv4 ACL 2001	Accumulated packet filtering statistics of IPv4 basic ACL 2001.
2 packets	Two packets matched the rule. This field is not displayed when no packets matched the rule.
Totally 2 packets permitted, 0 packets denied	Number of packets permitted and denied by the ACL.
Totally 100% permitted, 0% denied	Ratios of permitted and denied packets to all packets.

Related commands

reset packet-filter statistics

display packet-filter verbose

Use display packet-filter verbose to display ACL application details for packet filtering.

Syntax

display packet-filter verbose { global | interface interface-type interface-number } { inbound | outbound } [ [ ipv6 | mac ] { acl-number | name acl-name } ][ slot slot-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

interface interface-type interface-number: Specifies an interface by its type and number. The slot slot-number option is not available for an Ethernet interface.

vlan-interface: Specifies the list of VLAN interfaces specified in the packet-filter vlan-interface command.

inbound: Specifies the inbound direction.

outbound: Specifies the outbound direction.

ipv6: Specifies the IPv6 ACL type.

mac: Specifies the Layer 2 ACL type.

acl-number: Specifies an ACL by its number. The following are available value ranges:

· 2000 to 2999 for basic ACLs.

· 3000 to 3999 for advanced ACLs.

· 4000 to 4999 for Layer 2 ACLs.

name acl-name: Specifies an ACL by its name. The acl-name argument is a case-insensitive string of 1 to 63 characters.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify a member device, this command displays ACL application details for packet filtering for the master device.

Usage guidelines

If acl-number, name acl-name, ipv6, or mac is not specified, this command displays application details of all ACLs for packet filtering.

To specify the IPv4 ACL type, do not specify the ipv6 keyword.

Examples

# Display application details of all ACLs for inbound packet filtering on GigabitEthernet 1/0/1.

<Sysname> display packet-filter verbose interface gigabitethernet 1/0/1 inbound

Interface: GigabitEthernet1/0/1

Inbound policy:

IPv4 ACL 2001

rule 0 permit

rule 5 permit source 1.1.1.1 0 (Failed)

IPv6 ACL 2000

rule 0 permit

MAC ACL 4000

IPv4 default action: Deny

MAC default action: Deny

Table 4 Command output

Field	Description
Interface	Interface to which the ACL applies.
Global	ACL application details for packet filtering on all physical interfaces.
Inbound policy	ACL used for filtering incoming traffic.
Outbound policy	ACL used for filtering outgoing traffic.
IPv4 ACL 2001	IPv4 basic ACL 2001 has been successfully applied.
IPv4 ACL 2002 (Failed)	The device has failed to apply IPv4 basic ACL 2002.
Hardware-count	ACL rule match counting in hardware has been successfully enabled.
Hardware-count (Failed)	The device has failed to enable counting ACL rule matches in hardware.
rule 5 permit source 1.1.1.1 0 (Failed)	The device has failed to apply rule 5.
IPv4 default action	Packet filter default action for packets that do not match any IPv4 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering.
IPv6 default action	Packet filter default action for packets that do not match any IPv6 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering.
MAC default action	Packet filter default action for packets that do not match any Layer 2 ACLs: · Deny—The default action deny has been successfully applied for packet filtering. · Deny (Failed)—The device has failed to apply the default action deny for packet filtering. The action permit still functions. · Permit—The default action permit has been successfully applied for packet filtering.

‌

packet-filter

Use packet-filter to apply an ACL to an interface to filter packets.

Use undo packet-filter to remove an ACL from an interface.

Syntax

packet-filter [ ipv6 | mac ] { acl-number | name acl-name } { inbound | outbound } [ hardware-count ] [ share-mode ]

undo packet-filter [ ipv6 | mac ] { acl-number | name acl-name } { inbound | outbound }

Default

No ACL is applied to an interface to filter packets.

Views

Interface view

Predefined user roles

network-admin

Parameters

ipv6: Specifies the IPv6 ACL type.

mac: Specifies the Layer 2 ACL type.

acl-number: Specifies an ACL by its number. The following are available value ranges:

· 2000 to 2999 for basic ACLs.

· 3000 to 3999 for advanced ACLs.

· 4000 to 4999 for Layer 2 ACLs.

name acl-name: Specifies an ACL by its name. The acl-name argument is a case-insensitive string of 1 to 63 characters.

inbound: Filters incoming packets.

outbound: Filters outgoing packets.

hardware-count: Enables counting ACL rule matches performed in hardware. If you do not specify this keyword, rule matches for the ACL are not counted in hardware.

share-mode: Applies the ACL in sharing mode to a Layer 2 or Layer 3 Ethernet interface. In this mode, all interfaces on the device with the same ACL applied to the inbound direction share one QoS and ACL resource.

Usage guidelines

To specify the IPv4 ACL type, do not specify the ipv6 keyword.

If the specified ACL does not exist or does not have any rules, the ACL will not be referenced.

The hardware-count keyword in this command enables match counting in hardware for all rules in an ACL, and the counting keyword in the rule command enables match counting specific to rules.

To disable ACL rule match counting in hardware when resources are insufficient, you must execute the undo packet-filter command and then re-execute the packet-filter command without specifying the hardware-count keyword.

To disable ACL rule match counting in hardware when resources are sufficient, you can directly re-execute the packet-filter command without specifying the hardware-count keyword.

Examples

# Apply IPv4 basic ACL 2001 to filter incoming traffic on GigabitEthernet 1/0/1, and enable counting ACL rule matches performed in hardware.

<Sysname> system-view

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] packet-filter 2001 inbound hardware-count

Related commands

display packet-filter

display packet-filter statistics

display packet-filter verbose

packet-filter default deny

Use packet-filter default deny to set the packet filtering default action to deny. The packet filter denies packets that do not match any ACL rule.

Use undo packet-filter default deny to restore the default.

Syntax

packet-filter default deny

undo packet-filter default deny

Default

The packet filtering default action is permit. The packet filter permits packets that do not match any ACL rule.

Views

System view

Predefined user roles

network-admin

Usage guidelines

The packet filter applies the default action to all ACL applications for packet filtering. The default action appears in the display command output for packet filtering.

Examples

# Set the packet filter default action to deny.

<Sysname> system-view

[Sysname] packet-filter default deny

Related commands

display packet-filter

display packet-filter statistics

display packet-filter verbose

packet-filter filter

Use packet-filter filter to specify the applicable scope of packet filtering on a VLAN interface.

Use undo packet-filter filter to restore the default.

Syntax

packet-filter filter [ route | all ]

undo packet-filter filter

Default

Packet filtering takes effect on packets forwarded at Layer 3 by a VLAN interface.

Views

VLAN interface view

Predefined user roles

network-admin

Parameters

route: Filters packets forwarded at Layer 3 by the VLAN interface.

all: Filters all packets, including packets forwarded at Layer 3 by the VLAN interface and packets forwarded at Layer 2 by the physical ports associated with the VLAN interface.

Examples

# Configure the packet filtering on VLAN-interface 2 to filter packets forwarded at Layer 3.

<Sysname> system-view

[Sysname] interface vlan-interface 2

[Sysname-Vlan-interface2] packet-filter filter route

packet-filter global

Use packet-filter global to apply an ACL to filter packets globally.

Use undo packet-filter global to remove an ACL for global packet filtering.

Syntax

packet-filter [ ipv6 | mac ] { acl-number | name acl-name } global { inbound | outbound } [ hardware-count ]

undo packet-filter [ ipv6 | mac ] { acl-number | name acl-name } global { inbound | outbound }

Default

No ACL is applied to filter packets globally.

Views

System view

Predefined user roles

network-admin

Parameters

ipv6: Specifies the IPv6 ACL type.

mac: Specifies the Layer 2 ACL type.

acl-number: Specifies an ACL by its number. The following are available value ranges:

· 2000 to 2999 for basic ACLs.

· 3000 to 3999 for advanced ACLs.

· 4000 to 4999 for Layer 2 ACLs.

name acl-name: Specifies an ACL by its name. The acl-name argument is a case-insensitive string of 1 to 63 characters.

global: Specifies all physical interfaces.

inbound: Filters incoming packets.

outbound: Filters outgoing packets.

hardware-count: Enables counting ACL rule matches performed in hardware. If you do not specify this keyword, rule matches for the ACL are not counted in hardware.

Usage guidelines

To specify the IPv4 ACL type, do not specify the ipv6 keyword.

If the specified ACL does not exist or does not have any rules, it will not be referenced.

The hardware-count keyword in this command enables match counting in hardware for all rules in an ACL, and the counting keyword in the rule command enables match counting specific to rules.

To disable the extended mode or ACL rule match counting in hardware when resources are insufficient, you must execute the undo packet-filter command and then re-execute the packet-filter command without specifying the hardware-count keyword.

To disable the extended mode or ACL rule match counting in hardware when resources are sufficient, you can directly re-execute the packet-filter command without specifying the hardware-count keyword.

Examples

# Apply IPv4 basic ACL 2001 to filter incoming traffic on all physical interfaces, and enable counting ACL rule matches performed in hardware.

<Sysname> system-view

[Sysname] packet-filter 2001 global inbound hardware-count

Related commands

display packet-filter

display packet-filter statistics

display packet-filter verbose

reset packet-filter statistics

Use reset packet-filter statistics to clear the packet filtering statistics.

Syntax

reset packet-filter statistics { global | interface [ interface-type interface-number ] } { inbound | outbound } [ [ ipv6 | mac ] { acl-number | name acl-name } ]

Views

User view

Predefined user roles

network-admin

Parameters

interface [ interface-type interface-number ]: Specifies an interface by its type and number. If you do not specify an interface, this command clears packet filtering statistics for all interfaces.

vlan-interface: Specifies the list of VLAN interfaces specified in the packet-filter vlan-interface command.

inbound: Specifies the inbound direction.

outbound: Specifies the outbound direction.

ipv6: Specifies the IPv6 ACL type.

mac: Specifies the Layer 2 ACL type.

acl-number: Specifies an ACL by its number. The following are available value ranges:

· 2000 to 2999 for basic ACLs.

· 3000 to 3999 for advanced ACLs.

· 4000 to 4999 for Layer 2 ACLs.

name acl-name: Specifies an ACL by its name. The acl-name argument is a case-insensitive string of 1 to 63 characters.

Usage guidelines

If acl-number, name acl-name, ipv6, or macis not specified, this command clears the packet filtering statistics for all ACLs.

To specify the IPv4 ACL type, do not specify the ipv6 keyword.

Examples

# Clear IPv4 basic ACL 2001 statistics for inbound packet filtering on GigabitEthernet 1/0/1.

<Sysname> reset packet-filter statistics interface gigabitethernet 1/0/1 inbound 2001

Related commands

display packet-filter statistics

display packet-filter statistics sum

16-Security Command Reference

Packet filter commands

acl logging interval

display packet-filter

display packet-filter statistics

display packet-filter statistics sum

display packet-filter verbose

packet-filter

packet-filter default deny

packet-filter filter

packet-filter global

reset packet-filter statistics

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