Allied Telesis AT-9924T/4SP-A-20, X900-48FE-N, AT-8948, AT-9924T-40 Example 6 Epsr with an iMAP

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Example 6: EPSR with an iMAP

Example 6: EPSR with an iMAP

This example is the same as "Example 1: A Basic Ring" on page 11 except that one of the three switches is an iMAP. We used an AT-TN7100 iMAP running 6.1.10. The ring ports on the iMAP are 5.0 and 5.1. The example first shows the configuration script for the iMAP as the master node, then as the transit node. For the configuration of the other two switches, see Example 1.

Configure the AT-TN7100 iMAP as Master Node

The following diagram shows a partial script for the iMAP, with the commands for configuring it as a EPSR master node and other relevant commands.

ADD IP INTERFACE=MGMT IPADDRESS=172.28.9.3 SUBNETMASK=255.255.255.0 CARD=ACTCFC GATEWAY=172.28.9.1

#

SET SWITCH AGEINGTIMER=300

#

SET SYSTEM PROVMODE=AUTO

SET SYSTEM GATEWAY=172.28.9.1

#

CREATE EPSR=test MASTER HELLOTIME=1 FAILOVERTIME=2 RINGFLAPTIME=0

#

CREATE VLAN=vlan2 VID=2 FORWARDINGMODE=STD CREATE VLAN=vlan1000 VID=1000 FORWARDINGMODE=STD

#

ADD VLAN=2 INTERFACE=ETH:[5.0-1] FRAME=TAGGED ADD VLAN=1000 INTERFACE=ETH:[5.0-1] FRAME=TAGGED

#

DELETE VLAN=1 INTERFACE=ETH:[5.0-1]

#

SET INTERFACE=ETH:[5.0-1] ACCEPTABLE=VLAN

#

ADD EPSR=test INTERFACE=ETH:[5.0] TYPE=PRIMARY ADD EPSR=test INTERFACE=ETH:[5.1] TYPE=SECONDARY ADD EPSR=test VLAN=1000 TYPE=CONTROL

ADD EPSR=test VLAN=2 TYPE=DATA

#

ENABLE EPSR=test

Page 26 AlliedWare™ OS How To Note: EPSR

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Contents Introduction What information will you find in this document?Which products and software versions does it apply to? How Epsr Works Epsr ComponentsEstablishing a Ring Recovering from a Fault Fault in a link or a transit nodeFault in the master node Transit Nodes with One Port Down Restoring Normal OperationMaster Node Transit Nodes with Both Ports DownHow To Configure Epsr Configuring EpsrEnable Epsr Iii. Remove the ring ports from the default VlanIv. Configure the Epsr domain Configure other ports and protocols as requiredModifying the Control Vlan Configure the Master Node a Example 1 a Basic RingCreate the Epsr domain Configure the Transit Nodes B and CRemove the ring ports from the default Vlan Add the data Vlan to the domainCreate epsr=test mode=transit controlvlan=vlan1000 Configure the master node switch a for domain Example 2 a Double RingConfigure the master node switch C for domain Configure EpsrConfigure the data Vlan for domain Configure the master node switch a for the Epsr domain Example 3 Epsr and RstpRemove the STP VLAN’s ports from the default Vlan Configure switch E for Epsr and Rstp Example 4 Epsr with Nested VLANs Epsr DomainConfigure the Epsr control Vlan Configure client switch G connected to transit node C Configure client switch E connected to the master nodeConfigure client switch F connected to transit node B Configure client switch H connected to transit node DExample 5 Epsr with management stacking Configure stacking on the first transit node host2 Configure stacking on the second transit node host3Configure the other VLANs on the stacked switches Configure Epsr on the stacked switchesConfigure the AT-TN7100 iMAP as Master Node Example 6 Epsr with an iMAPChecking the Master Node Configuration Following diagram shows the expected outputConfigure the AT-TN7100 iMAP as a Transit Node Checking the Transit Node ConfigurationClassifiers and Hardware Filters LINKS-UPPorts and Recovery Times Igmp Snooping and Recovery Times Health Message PriorityEpsr State and Settings Epsr Information Name Domain1 Snmp Traps Counters Master Node Node a Debug Output DebuggingLink Down Between Master Node and Transit Node Master node sends Health messagesMaster node continues sending Health messages Primary port goes downMaster node transmits a Ring-Down-Flush-FDB message Primary port comes back up Hello timer expiresHello timer expires again Master node returns the ring to a state of Complete Master node receives the Ring-Up-Flush-FDB message on portMaster node transmits and receives Health messages Transit Node Node B Debug Output Transit node receives Health messagesPort 1 on the transit node goes down Transit node receives a Ring-Down-Flush-FDB messagePort 1 comes back up Transit node receives a Health messageTransit node receives a Ring-Up-Flush-FDB message 252 Link Down Between Two Transit Nodes Link between the two transit nodes goes down Master node receives a second Link-Down message Master node receives a Health message 51 AlliedWare OS How To Note Epsr 375 53 AlliedWare OS How To Note Epsr Transit node sends a Link-Down message Link comes back up Transit node receives another Health messageTransit node receives a Ring-Up-Flush-FDB message

AT-9924SP-30, AT-9924T-40, AT-8948, AT-9924T/4SP-A-20, X900-48FE-N specifications

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The X900-48FE-N is a robust layer 2/3 managed switch that features 48 Fast Ethernet ports. This model is particularly known for its energy efficiency and reliability, making it a suitable choice for enterprises with demanding networking needs. It supports a wide range of Layer 2 Ethernet switching technologies, including VLANs, Spanning Tree Protocol (STP), and Link Aggregation Control Protocol (LACP), which enhances network reliability and efficiency.

The AT-9924T-40 is a versatile switch designed for high-performance environments. It offers a rich set of features, including 24 Gigabit Ethernet ports and 4 SFP ports for fiber connectivity. This device is equipped with Advanced Layer 2 and Layer 3 features, including IPv4/IPv6 support, Quality of Service (QoS) capabilities, and robust security options. This switch is ideal for core and distribution deployments within enterprise networks, ensuring fast and reliable connectivity.

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The AT-9924T/4SP-A-20 offers a combination of 24 Gigabit Ethernet ports and 4 SFP slots to extend network capabilities through fiber connections. It is particularly well-suited for environments requiring high bandwidth and flexible connectivity. Its compact design makes it an excellent choice for data centers and enterprise networks.

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In summary, these Allied Telesis models showcase advanced features, network reliability, and versatile management options, making them critical components for efficient and scalable networking solutions.
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