NETGEAR 7000 manual Chapter Access Control Lists ACLs, Overview, MAC ACLs, Limitations

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Chapter 7

Access Control Lists (ACLs)

This section describes the Access Control Lists (ACLs) feature.

Overview

Access Control Lists (ACLs) can control the traffic entering a network. Normally ACLs reside in a firewall router or in a router connecting two internal networks. When you configure ACLs, you can selectively admit or reject inbound traffic, thereby controlling access to your network or to specific resources on your network.

You can set up ACLs to control traffic at Layer 2, or Layer3. MAC ACLs are used for Layer 2. IP ACLs are used for Layers 3.

Each ACL contains a set of rules that apply to inbound traffic. Each rule specifies whether the contents of a given field should be used to permit or deny access to the network, and may apply to one or more of the fields within a packet.

Limitations

The following limitations apply to ACLs. These limitations are platform dependent.

Maximum of 100 ACLs

Maximum rules per ACL is 8-10

Stacking systems do not support redirection

The system does not support MAC ACLs and IP ACLs on the same interface. The system supports ACLs set up for inbound traffic only.

MAC ACLs

MAC ACLs are Layer 2 ACLs. You can configure the rules to inspect the following fields of a packet (limited by platform):

Source MAC address with mask

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Contents Netgear 7000 Series Managed Switch Administration Guide Certificate of the Manufacturer/Importer TrademarksStatement of Conditions EN 55 022 Declaration of ConformanceRegulatory Compliance Information FCC Information to UserFCC Guidelines for Human Exposure Declaration Of ConformityProduct and Publication Details Series Managed SwitchContents Link Aggregation Chapter Virtual Router Redundancy Protocol Chapter Differentiated Services Chapter Pre-Login Banner Chapter Syslog Document Organization About This BookCLI Documentation AudienceRelated Documentation Xiv In-band and Out-of-band Connectivity Configuring for In-band ConnectivityUsing BootP or Dhcp Chapter Getting StartedUsing the EIA-232 Port Configuring for Out-Of-Band Connectivity Initial Configuration Starting the SwitchInitial Configuration Procedure Software Installation System Information and System SetupQuick Starting the Networking Device Quick Start Commands Mode Description You power down or reset the networking device. In a stacking Quick Start Commands Figurations made to the networking device Configuring for Web Access Chapter Using the Web InterfaceConfiguring an Snmp V3 User Profile Starting the Web InterfaceWeb Page Layout Save Command ButtonsNetgear 7000 Series Managed Switch Administration Guide Chapter Virtual LANs Vlan Configuration Example CLI ExamplesExample #1 Create Two VLANs Example #4 Assign VLAN3 as the Default Vlan Example #2 Assign Ports to VLAN2Example #3 Assign Ports to VLAN3 Graphical User Interface CLI Example Link Aggregation1shows the example network STP Example 1 Create two LagsExample 2 Add the ports to the LAGs Example 3 Enable both LAGsPort Routing Chapter IP Routing ServicesPort Routing Configuration CLI Examples Example 1. Enabling routing for the SwitchVlan Routing Example 2. Enabling Routing for Ports on the SwitchVlan Routing Configuration Example 1 Create Two VLANs Example 2 Set Up Vlan Routing for the VLANs and the SwitchVlan Routing RIP Configuration CLI Example Netgear 7000 Series Managed Switch Administration Guide Vlan Routing Ospf Configuration Netgear 7000 Series Managed Switch Administration Guide Routing Information Protocol RIP ConfigurationCLI Example Example #1 Enable Routing for the SwitchExample #3. Enable RIP for the Switch Example #2 Enable Routing for PortsOspf Example #4. Enable RIP for ports 1/0/2 and 1/0/3CLI Examples Example #1 Configuring an Inter-Area Router Netgear 7000 Series Managed Switch Administration Guide Example #2 Configuring Ospf on a Border Router Enable routing for the switch Overview Proxy Address Resolution Protocol ARPExample #2 ip proxy-arp Example #1 show ip interfaceChapter Virtual Router Redundancy Protocol Virtual Router Redundancy Protocol Enable Vrrp for the switch Set the priority for the port. The default priority is Limitations Chapter Access Control Lists ACLsOverview MAC ACLsConfiguring IP ACLs IP ACL CLI Example ProcessMAC ACL CLI Examples Example #1 mac access list Example #2 permit any Example #3 Configure mac access-group Example #4 permit Example #5 show mac access-lists Netgear 7000 Series Managed Switch Administration Guide Chapter Class of Service CoS Queuing CoS Queue MappingTrusted Ports CoS Queue Configuration Port Egress Queue ConfigurationUntrusted Ports Per Interface Basis Drop Precedence Configuration per QueueExample #2 set classofservice trust mode Example #1 show classofservice trustExample #3 show classofservice ip-precedence mapping Traffic Shaping Example #5 Set CoS Trust Mode of an InterfaceExample #1 traffic-shape Netgear 7000 Series Managed Switch Administration Guide Chapter Differentiated Services Differentiated Services Netgear Switch Config#diffserv DiffServ for VoIP Configuration Example Netgear 7000 Series Managed Switch Administration Guide Following example configures DiffServ VoIP support Chapter Igmp Snooping Example #1 Enable Igmp SnoopingExample #3 show mac-address-table igmpsnooping Example #2 show igmpsnoopingChapter Port Security Operation Example #3 Config port security Example #1 show port securityExample #2 show port security on a specific interface 11-4 Port Security Chapter Traceroute 12-2 Traceroute Considerations Chapter Configuration ScriptingExample #3 script apply running-config.scr Example #1 scriptExample #2 script list and script delete Example #5 Upload a Configuration Script Example #4 Creating a Configuration Script13-4 Configuration Scripting Chapter Outbound Telnet Example #2 show telnet Example #1 show networkExample #3 transport output telnet Example #4 session-limit and session-timeout14-4 Outbound Telnet Port Mirroring Example #1 show monitor session Example #2 show port allExample #3 show port interface Port, and what is enabled or disabled on the port Example #4 Config monitor session 1 modeExample #6 Interface port security Example #5 Config monitor session 1 source interfaceExample #1 show sntp Simple Network Time Protocol SntpExample #4 Configure Sntp Example #2 show sntp clientExample #3 show sntp server Simple Network Time Protocol Sntp 16-3 16-4 Simple Network Time Protocol Sntp Chapter Pre-Login Banner Transfer the file from the PC to the switch using Tftp Persistent Log Files Chapter SyslogInterpreting Log Files Example #2 show logging buffered Example #1 show loggingExample 4 show logging hosts Example #3 show logging traplogsExample #5 logging port configuration 18-6 Syslog
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7000 specifications

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