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ACL Commands

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13. ACL Commands 13 This chapter describes commands for creating and configuring IP access lists (ACLs). IP access lists (also referred to as Access Lists or ACLs) consist of IP access rules and are used to perform packet filtering and forwarding decisions on traffic traversing the switch. Each packet on an interface is compared to the access list in sequential order and is either forwarded to a specified QoS profile or dropped. Additionally, for the NETGEAR 8800 series switches, packets can be metered using ACLs. Using access lists has no impact on switch performance. Access lists are typically applied to traffic that crosses Layer 3 router boundaries, but it is possible to use access lists within a Layer 2 VLAN. NETGEAR products are capable of performing this function with no additional configuration. Note: Although the NETGEAR 8800 does not prohibit mixing ACL and routing type entries in a policy file, it is strongly recommended that you do not mix the entries, and you use separate policy files for ACL and routing policies. clear access-list counter clear access-list {dynamic} counter {} {any | ports | vlan } {ingress | egress} Description Clears the specified access list counters. Syntax Description dynamic countername any portlist vlanname Specifies that the counter is from a dynamic ACL. Specifies the ACL counter to clear. Specifies the wildcard ACL. Specifies to clear the counters on these ports. Specifies to clear the counters on the VLAN. Chapter 13. ACL Commands | 487

Section	Page
NETGEAR 8800 Chassis Switch CLI Manual	1
Contents	3
1. Command Reference Overview	6
Introduction	6
Audience	6
Structure of this Guide	7
Understanding the Command Syntax	7
Access Levels	7
Syntax Symbols	8
Syntax Helper	8
Object Names	9
Command Shortcuts	10
Port Numbering	10
Numerical Ranges	10
Line-Editing Keys	11
Command History	12
2. Commands for Accessing the Switch	13
3. Commands for Managing the Switch	57
SNMP	57
Telnet	58
TFTP	58
System Redundancy with Dual Management Modules Installed	58
Power Supply Management	58
Simple Network Time Protocol	59
4. Commands for Managing the NETGEAR 8800 Software	157
5. Commands for Configuring Slots and Ports on a Switch	190
6. Commands for Configuring LLDP	269
7. PoE Commands	300
Summary of PoE Software Features	300
8. Commands for Status Monitoring and Statistics	330
Event Management System	330
sFlow Statistics	331
RMON	331
9. VLAN Commands	425
10. FDB Commands	453
11. Commands for Virtual Routers	472
12. Policy Manager Commands	481
13. ACL Commands	487
14. QoS Commands	520
15. Security Commands	554
SSH	554
SSL	554
User Authentication	554
Denial of Service	555
16. Network Login Commands	679
17. STP Commands	737
STP	737
RSTP	737
MSTP	738
Spanning Tree Domains	738
Member VLANs	738
Carrier VLAN	738
Protected VLAN	739
STPD Modes	739
Encapsulation Modes	740
STP Rules and Restrictions	741
18. VRRP Commands	793
19. IP Unicast Commands	814
20. IPv6 Unicast Commands	904
21. RIP Commands	950
22. RIPng Commands	973
23. OSPF Commands	994
OSPF Edge Mode	995
24. OSPFv3 Commands	1036
OSPF Edge Mode	1037
25. BGP Commands	1075
26. IP Multicast Commands	1163
27. IPv6 Multicast Commands	1242
28. MSDP Commands	1261
29. vMAN (PBN) Commands	1296
A. Configuration and Image Commands	1306
B. Troubleshooting Commands	1345
Event Management System	1345

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Chapter 13.

ACL Commands

487

13.

ACL Commands

This chapter describes commands for creating and configuring IP access lists (ACLs).

IP access lists

(also referred to as Access Lists or ACLs) consist of IP access rules and are used

to perform packet filtering and forwarding decisions on traffic traversing the switch. Each packet

on an interface is compared to the access list in sequential order and is either forwarded to a

specified QoS profile or dropped. Additionally, for the NETGEAR 8800 series switches, packets

can be metered using ACLs. Using access lists has no impact on switch performance.

Access lists are typically applied to traffic that crosses Layer 3 router boundaries, but it is

possible to use access lists within a Layer 2 VLAN. NETGEAR products are capable of

performing this function with no additional configuration.

Note:

Although the NETGEAR 8800 does not prohibit mixing ACL and

routing type entries in a policy file, it is strongly recommended that

you do not mix the entries, and you use separate policy files for ACL

and routing policies.

clear access-list counter

clear access-list {dynamic} counter {<countername>} {any | ports <portlist> | vlan

<vlanname>} {ingress | egress}

Description

Clears the specified access list counters.

Syntax Description

dynamic

Specifies that the counter is from a dynamic ACL.

countername

Specifies the ACL counter to clear.

any

Specifies the wildcard ACL.

portlist

Specifies to clear the counters on these ports.

vlanname

Specifies to clear the counters on the VLAN.