Allied Telesis AT-9924SP-30, X900-48FE-N manual Master node transmits a Ring-Down-Flush-FDB message

Page 49

Debugging

4.The master node transmits a Ring-Down-Flush-FDB message

In response to the Link-Down message, the master node transmits a Ring-Down-Flush-FDB message out both its primary and secondary ports. The message has to go out both ports to make sure it reaches the nodes on both sides of the broken link. The master node also unblocks its secondary port for vlan2, flushes its forwarding database, sends a trap, and changes the EPSR state to Failed.

EPSR Port1 Tx: 00e02b00 00040000 cd280619 8100e3e8 005caaaa 0300e02b 00bb0100 00541ee9 00000000 0000cd28 0619990b 00400107 03e80000 00000000 cd280619 00000000 02000000

EPSR Port1 Tx:

-----------------------------------------------------------------------

TYPE

= RING-DOWN-FLUSH-FDB

STATE

= FAILED

CTRL VLAN

= 1000

SYSTEM

=

00-00-cd-28-06-19

HELLO TIME

=

0

FAIL TIME

=

0

HELLO SEQ

=

0

 

 

 

-----------------------------------------------------------------------

EPSR Port2 Tx: 00e02b00 00040000 cd280619 8100e3e8 005caaaa 0300e02b

00bb0100

00541ee9

00000000

0000cd28

0619990b

00400107

03e80000

00000000

cd280619

00000000

02000000

 

 

 

 

 

EPSR Port2 Tx:

-----------------------------------------------------------------------

TYPE

= RING-DOWN-FLUSH-FDB

STATE

= FAILED

CTRL VLAN

= 1000

SYSTEM

=

00-00-cd-28-06-19

HELLO TIME

=

0

FAIL TIME

=

0

HELLO SEQ

=

0

 

 

 

-----------------------------------------------------------------------

Unblock EPSR:test port:2 VLAN:2 Flush FDB EPSR: test vid: 2

EPSR INFO: Send trap EPSR:test oldState:COMPLETE newState:FAILED nodeType:MASTER

EPSR test oldState:COMPLETE newState:FAILED

5.The master node receives a second Link-Down message

The master node receives a Link-Down message from the transit node on the other side of the broken link. This message arrived after a delay because the ring ports are 1000M ports (see "Ports and Recovery Times" on page 30). The master node does not take any action in response to this message, because it already responded to the broken link.

Manager x900-48-A>

EPSR Port1 Rx: 00e02b00 00040000 cd24024f 8100e3e8 005caaaa 0300e02b 00bb0100 00542484 00000000 0000cd24 024f990b 00400108 03e80000 00000000 cd24024f 00000000 04000000

EPSR Port1 Rx:

-----------------------------------------------------------------------

TYPE

= LINK-DOWN

STATE

= LINK-DOWN

CTRL VLAN

= 1000

SYSTEM

=

00-00-cd-24-02-4f

HELLO TIME

=

0

FAIL TIME

=

0

HELLO SEQ

=

0

 

 

 

-----------------------------------------------------------------------

Page 49 AlliedWare™ OS How To Note: EPSR

Image 49
Contents What information will you find in this document? IntroductionWhich products and software versions does it apply to? Epsr Components How Epsr WorksEstablishing a Ring Fault in a link or a transit node Recovering from a FaultFault in the master node Master Node Restoring Normal OperationTransit Nodes with One Port Down Transit Nodes with Both Ports DownConfiguring Epsr How To Configure EpsrIv. Configure the Epsr domain Iii. Remove the ring ports from the default VlanEnable Epsr Configure other ports and protocols as requiredModifying the Control Vlan Example 1 a Basic Ring Configure the Master Node aRemove the ring ports from the default Vlan Configure the Transit Nodes B and CCreate the Epsr domain Add the data Vlan to the domainCreate epsr=test mode=transit controlvlan=vlan1000 Example 2 a Double Ring Configure the master node switch a for domainConfigure Epsr Configure the master node switch C for domainConfigure the data Vlan for domain Example 3 Epsr and Rstp Configure the master node switch a for the Epsr domainRemove the STP VLAN’s ports from the default Vlan Configure switch E for Epsr and Rstp Epsr Domain Example 4 Epsr with Nested VLANsConfigure the Epsr control Vlan Configure client switch F connected to transit node B Configure client switch E connected to the master nodeConfigure client switch G connected to transit node C Configure client switch H connected to transit node DExample 5 Epsr with management stacking Configure stacking on the second transit node host3 Configure stacking on the first transit node host2Configure Epsr on the stacked switches Configure the other VLANs on the stacked switchesExample 6 Epsr with an iMAP Configure the AT-TN7100 iMAP as Master NodeFollowing diagram shows the expected output Checking the Master Node ConfigurationChecking the Transit Node Configuration Configure the AT-TN7100 iMAP as a Transit NodeLINKS-UP Classifiers and Hardware FiltersPorts and Recovery Times Health Message Priority Igmp Snooping and Recovery TimesEpsr State and Settings Epsr Information Name Domain1 Snmp Traps Counters Link Down Between Master Node and Transit Node DebuggingMaster Node Node a Debug Output Master node sends Health messagesPrimary port goes down Master node continues sending Health messagesMaster node transmits a Ring-Down-Flush-FDB message Hello timer expires again Hello timer expiresPrimary port comes back up Master node receives the Ring-Up-Flush-FDB message on port Master node returns the ring to a state of CompleteMaster node transmits and receives Health messages Transit node receives Health messages Transit Node Node B Debug OutputTransit node receives a Ring-Down-Flush-FDB message Port 1 on the transit node goes downTransit node receives a Health message Port 1 comes back upTransit 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 Transit node receives another Health message Link comes back upTransit 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

Allied Telesis is a leading provider of networking solutions, renowned for its innovative technologies and high-performance networking equipment. Among its extensive product lineup, the X900-48FE-N, AT-9924T-40, AT-8948, AT-9924T/4SP-A-20, and AT-9924SP-30 stand out for their remarkable features and capabilities.

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.

The AT-8948 is another important model in Allied Telesis' offerings. It features 48 10/100 Mbps Ethernet ports and 4 Gigabit uplink ports, providing a high density of connectivity options. The AT-8948 is also equipped with advanced management capabilities, including SNMP, RMON, and web-based management, allowing for easy configuration and monitoring of the network.

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.

Lastly, the AT-9924SP-30 is characterized by its 24 Gigabit SFP ports, offering flexibility in terms of fiber connectivity. This switch supports advanced routing capabilities and is designed for high-availability environments. Its ability to handle diverse network traffic while maintaining optimal performance makes it a valuable asset for any modern enterprise.

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.