Moxa Technologies EDS-508 user manual Concept of STP/RSTP

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EDS-508 Series User’s ManualFeatured Functions

Redundancy Protocol

		Setting	Description		Factory Default
		Turbo Ring	Select this item to change to the		None
		Turbo Ring	Turbo Ring configuration page.		None
			Turbo Ring configuration page.
		RSTP (IEEE	Select this item to change to the		None
		802.1W/1D)	RSTP configuration page.		None
		802.1W/1D)	RSTP configuration page.
Set as Master

		Setting	Description		Factory Default
		Enable/Disable	Select this EDS as Master		None
Redundant Ports

		Setting	Description		Factory Default
		1st Port	Select any port of EDS to be one		Port 7 if enable Turbo
			of the redundant ports.		Ring
		2nd Port	Select any port of EDS to be one		Port 8 if enable Turbo
			of the redundant ports.		Ring
Enable Ring Coupling

		Setting	Description		Factory Default
		Enable/Disable	Select this EDS as Coupler		None
Coupling Ports

		Setting	Description		Factory Default
		Coupling Port	Select any port of EDS to be the		Port 5 if enable Ring
		Coupling Port	coupling port		Coupling
			coupling port		Coupling
		Coupling Control	Select any port of EDS to be the		Port 6 if enable Ring
		Port	coupling control port		Coupling

The Concept of STP/RSTP

The Spanning Tree Protocol (STP) makes your network more resilient to link failure and also provides a protection from loops—one of the major causes of broadcast storms. STP is disabled by default on EDS. To be fully effective, RSTP/STP must be enabled on all EDSs connected to your network.

The Rapid Spanning Tree Protocol (RSTP) is an enhanced Spanning Tree feature. RSTP implements the Spanning Tree Algorithm and Protocol, as defined in the IEEE Std 802.1w-2001. Some of the benefits of RSTP are:

#Faster determination of the topology throughout a bridged network.

#Easy deployment throughout a legacy network, through backward compatibility:

$ Will default to sending 802.1D style BPDU’s on a port if it receives packets of this format.

$ It is possible for some ports on an EDS to operate in RSTP (802.1w) mode, and other ports, for example those connected to a legacy switch, to operate in STP (802.1D) mode.

RSTP provides the same functionality as STP. For details on how the two systems differ, see the How RSTP Differs from STP section in this chapter. The following sections explain more about

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Contents Moxa EtherDevice Switch User’s Manual EDS-508 Series Second Edition, NovemberTrademarks Moxa EtherDevice Switch EDS User’s ManualCopyright Notice DisclaimerTable of Contents Chapter EDS Configurator GUI Introduction Inside the Future of Industrial Ethernet Technology Moxa EtherDevice SwitchPackage Checklist Industrial vs. CommercialAdvanced Industrial Networking Capability FeaturesUseful Utility and Remote Configuration Designed for Industrial ApplicationsPage Getting Started Using the RS-232 Serial Console 115200, None, 8, 1, VT100 Connection CautionEDS-508 Series User’s Manual Getting Started Using the Telnet Console Key FunctionEDS-508 Series User’s Manual Getting Started Using Web Configuration For details Page Featured Functions Switch Location Setting Descriptions Factory Default Configuring Basic SettingsSwitch Name Setting Descriptions Factory Default Switch Description Setting Descriptions Factory DefaultSetting Descriptions Factory Default PasswordDisable Telnet/Web Console Account Name# Hosts on the specific subnet can access the NE-4000T Accessible IPPassword Setting # Any host can access the NE-4000TName Enable/Disable PortPort FDX Flow Control Port Transmission SpeedPort Type Switch Subnet Mask Auto IP ConfigurationSwitch IP Address Default GatewayDNS IP Address Current Time Setting Description Factory DefaultTime System Up Time Current Date Setting Description Factory DefaultTime Zone Setting Description Factory Default Log file path and name Setting Description Factory Default System File Update-By Remote TftpTftp Server IP/Name Setting Description Factory Default Configuration File Import System File Update-By Local Import/ExportConfiguration File Export Log File ExportConcept of Port Trunking Using Port TrunkingFactory Default Trunking settings Configuring Port TrunkingPort Trunking Settings Enable/Disable Using SnmpPort setting information V1, V2c Read Community Configuring Snmp Snmp Read/Write SettingsSnmp Versions V1, V2c Read/Write CommunityUser Auth. Type For Snmp V1, V2c, V3 and V3 only Admin Auth. Type For Snmp V1, V2c, V3 and V3 onlyAdmin Data Encryption Key For Snmp V1, V2c, V3 and V3 only User Data Encryption Key For Snmp V1, V2c, V3 and V3 onlyPrivate MIB information Using Communication RedundancyTrap Settings Concept of Turbo RingWhen the number of EDS units in the Turbo Ring is even Page Switch a Coupler Configuring Turbo Ring Concept of STP/RSTP What is STP? How STP Works STP RequirementsHow Rstp Differs from STP STP ConfigurationSTP Reconfiguration Port Speed Path Cost 802.1D Edition 802.1w-2001Using STP on a Network with Multiple VLANs STP ExampleConfiguring STP/RSTP Bridge priority Root/Not RootProtocol of Redundancy Hello time secMax. Age sec Enable STP per PortConfiguration Limits of RSTP/STP Port PriorityConcept of Traffic Prioritization Using Traffic PrioritizationWhat is Traffic Prioritization? How Traffic Prioritization WorksTraffic Prioritization Differentiated Services DiffServ Traffic MarkingIeee 802.1p Priority Level Ieee 802.1D Traffic Type Traffic Queues Configuring Traffic PrioritizationQoS Classification Inspect TOS Default Port PriorityQueuing Mechanism Inspect COSCoS Mapping TOS/DiffServ MappingConcept of Virtual LAN Vlan Using Virtual LANWhat is a VLAN? Benefits of VLANsCommunication Between VLANs VLANs and Moxa EtherDevice SwitchManagement Vlan VLANs Tagged and Untagged MembershipSample Applications of VLANs using Moxa EtherDevice Switch Device a Switch a Switch BConfiguring 802.1Q Vlan Vlan Port SettingsPort Fixed Vlan List Tagged Management Vlan SettingPort Pvid Port Forbidden Vlan ListConcept of Multicast Filtering Using Multicast FilteringWhat is an IP Multicast? Vlan TableMulticast Filtering Network without multicast filteringIgmp Multicast Filtering Configuring Multicast FilteringMulticast Filtering and Moxa EtherDevice Switch Enabling Igmp SnoopingIgmp Snooping Enable per Vlan Igmp Snooping Settings Querier intervalIgmp Snooping Enable Global Static Multicast Router PortIgmp Table Using Rate LimitingAdd Static Multicast MAC Add New Static Multicast Address to the ListRate of Low Priority Queue Configuring Rate LimitingIngress Policy Rate of Normal Priority QueueRate of Medium Priority Queue Using Port LockAdding a Static Unicast MAC Address Rate of High Priority QueueConfiguring Email Warning Using Auto WarningConfiguring Port Lock Add Static Unicast MAC AddressActivate your settings and test email if necessary Email Alarm Events SettingsConfiguring Email Settings Event TypesPort Event Email SettingsMoxaEtherDeviceSwitch0001@SwitchLocation Mail Server IP/Name Configuring Relay WarningConfiguring Relay Event Types Email AddressRelay Alarm Events Settings Activate your settingsOverride relay alarm settings Using Line-Swap-Fast-RecoveryRelay Alarm List Enable Line-Swap-Fast-Recovery Using Set Device IPConfiguring Line-Swap Fast Recovery Configuring Set Device IP Set up the connected devicesDesired IP Address Using DiagnosisMirror Port Output data streamPing Using MonitorMonitor by Switch Monitor by Port Using the MAC Address Table ALLUsing Event Log Page EDS Configurator GUI Starting EDS Configurator Broadcast SearchSearch by IP address Upgrade Firmware Modify IP AddressExport Configuration Import Configuration Unlocked Unlock ServerLocked BlankUnlocked Fixed FixedLocked Fixed MIB Groups Page Interface SpecificationsTechnology Optical FiberEnvironment PowerMechanical Regulatory ApprovalsService Information Moxa Internet Services Following services are providedSerial Number Problem Report FormMoxa Product % EDS-508 Product Return Procedure

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