NETGEAR 7000 manual Chapter Class of Service CoS Queuing, CoS Queue Mapping, Trusted Ports

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Chapter 8

Class of Service (CoS) Queuing

This section describes the Class of Service (CoS) Queue Mapping and Traffic Shaping features.

Overview

Each port has one or more queues for packet transmission. During configuration, you can determine the mapping and configuration of these queues.

Based on service rate and other criteria you configure, queues provide preference to specified packets. If a delay becomes necessary, the system holds packets until the scheduler authorizes transmission. As queues become full, packets are dropped. Packet drop precedence indicates the packet’s sensitivity to being dropped during times of queue congestion.

CoS mapping, queue parameters, and queue management are configurable per interface. Queue management is configurable per interface.

Some hardware implementations allow queue depth management using tail dropping or Weighted random early discard (WRED).

Some hardware implementations allow queue depth management using tail dropping. The operation of CoS Queuing involves queue mapping and queue configuration.

CoS Queue Mapping

CoS Queue Mapping uses trusted and untrusted ports.

Trusted Ports

System takes at face value certain priority designation for arriving packets.

Trust applies only to packets that have that trust information.

Can only have one trust field at a time - per port.

– 802.1p User Priority (default trust mode - Managed through Switching configuration)

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Contents Netgear 7000 Series Managed Switch Administration Guide Statement of Conditions TrademarksEN 55 022 Declaration of Conformance Certificate of the Manufacturer/ImporterFCC Guidelines for Human Exposure FCC Information to UserDeclaration Of Conformity Regulatory Compliance InformationProduct 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 Using BootP or Dhcp Configuring for In-band ConnectivityChapter Getting Started In-band and Out-of-band ConnectivityUsing the EIA-232 Port Configuring for Out-Of-Band Connectivity Initial Configuration Starting the SwitchInitial Configuration Procedure System Information and System Setup Software InstallationQuick 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 InterfaceStarting the Web Interface Configuring an Snmp V3 User ProfileWeb Page Layout Save Command ButtonsNetgear 7000 Series Managed Switch Administration Guide Chapter Virtual LANs CLI Examples Vlan Configuration ExampleExample #1 Create Two VLANs Example #2 Assign Ports to VLAN2 Example #4 Assign VLAN3 as the Default VlanExample #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 Overview Chapter Access Control Lists ACLsMAC ACLs LimitationsConfiguring 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 CoS Queue Mapping Chapter Class of Service CoS QueuingTrusted Ports Port Egress Queue Configuration CoS 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 #1 show port security Example #3 Config port securityExample #2 show port security on a specific interface 11-4 Port Security Chapter Traceroute 12-2 Traceroute Considerations Chapter Configuration ScriptingExample #1 script Example #3 script apply running-config.scrExample #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 #2 show port all Example #1 show monitor sessionExample #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 #2 show sntp client Example #4 Configure SntpExample #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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