HP Enterprise HPE 5800 Switch Series Configuration Manual Download Page 13 | Manualshive

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Figure 6 BFD MAD application scenario

ARP MAD

ARP MAD detects multi-active collisions by using extended gratuitous ARP packets that convey the
IRF domain ID and the active ID.

You can set up ARP MAD links between neighbor IRF member devices, or between each IRF
member device and an intermediate device (see

). If an intermediate device is used, you

must also run the spanning tree feature between the IRF fabric and the intermediate device.

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Summary of Contents for HPE 5800 Switch Series

Page 1: ...HPE 5820X 5800 Switch Series IRF Configuration Guide Part number 5998 7385R Software version Release 1810 Document version 6W100 20160129 ...

Page 2: ...nd 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U S Government under vendor s standard commercial license Links to third party websites take you outside the Hewlett Packard Enterprise website Hewlett Packard Enterprise has no control over and is not responsible for information outside the Hewlett Packard Enterprise ...

Page 3: ...ng the IRF fabric setup 15 Assigning a member ID to each IRF member switch 15 Specifying a priority for each member switch 16 Connecting physical IRF ports 16 Binding physical ports to IRF ports 17 Accessing the IRF fabric 18 Accessing the CLI of the master switch 19 Accessing the CLI of a subordinate switch 19 Assigning an IRF domain ID to the IRF fabric 19 Configuring a member switch description...

Page 4: ...D enabled IRF configuration example 34 Document conventions and icons 37 Conventions 37 Network topology icons 38 Support and other resources 39 Accessing Hewlett Packard Enterprise Support 39 Accessing updates 39 Websites 40 Customer self repair 40 Remote support 40 Documentation feedback 40 Index 42 ...

Page 5: ...undancy In an IRF fabric one member works as the master to manage and control the entire IRF fabric and all the other members process services while backing up the master When the master fails all the other member devices elect a new master from among them to take over without interrupting services IRF link aggregation You can assign several physical links between neighboring members to their IRF ...

Page 6: ...included as the first part of interface numbers and file paths to uniquely identify interfaces and files in an IRF fabric For more information about interface and file path naming see Interface naming conventions and File system naming conventions If two switches have the same IRF member ID they cannot form an IRF fabric IRF port An IRF port is a logical interface for the connection between IRF me...

Page 7: ...F fabrics from interfering with one another As shown in Figure 2 Switch A and Switch B form IRF fabric 1 and Switch C and Switch D form IRF fabric 2 The fabrics have LACP MAD detection links between them When a member switch receives an extended LACPDU for MAD it checks the domain ID to see whether the packet is from the local IRF fabric Then the switch can handle the packet correctly Figure 2 A n...

Page 8: ... the fixed ports on the front panel If the switch has one expansion interface slot this argument takes 1 for the slot If the switch has two expansion interface slots this argument takes 1 and 2 for the slots from left to right port index Port index depends on the number of ports available on the switch To identify the index of a port look at its port index mark on the chassis For one example on th...

Page 9: ...root directory of the Flash on member switch 3 Master mkdir slot3 flash test Created dir slot3 flash test Master cd slot3 flash test Master pwd slot3 flash test Or Master cd slot3 flash Master mkdir test Created dir slot3 flash test To copy the file test bin on the master to the root directory of the Flash on member switch 3 Display the current working path In this example the current working path...

Page 10: ...h the longest system uptime 4 Member with the lowest bridge MAC address The IRF fabric is formed on election of the master During an IRF merge the switches of the IRF fabric that fails the master election must reboot to rejoin the IRF fabric that wins the election After a master election all subordinate switches reboot with the configuration on the master Their original configuration even if it ha...

Page 11: ...s from being affected After that recover the MAD failure LACP MAD LACP MAD requires that every IRF member have a link with an intermediate device and all these links form a dynamic link aggregation group as shown in Figure 5 In addition the intermediate device must be an HPE device that supports extended LACP for MAD The IRF member switches send extended LACPDUs with TLVs that convey the domain ID...

Page 12: ...erface The MAD addresses identify the member switches and must belong to the same subnet With BFD MAD the master tries to establish BFD sessions with other member switches by using its MAD IP address as the source IP address If the IRF fabric is integrated only the MAD IP address of the master is effective The master cannot establish a BFD session with any other member If you execute the display b...

Page 13: ...packets that convey the IRF domain ID and the active ID You can set up ARP MAD links between neighbor IRF member devices or between each IRF member device and an intermediate device see Figure 7 If an intermediate device is used you must also run the spanning tree feature between the IRF fabric and the intermediate device ...

Page 14: ... active ID If the domain IDs are different the extended gratuitous ARP packet is from a different IRF fabric The device does not continue to process the packet with the MAD mechanism If the domain IDs are the same the device compares the active IDs If the active IDs are different the IRF fabric has split If the active IDs are the same the IRF fabric is integrated ...

Page 15: ...s on expansion interface cards Expansion interface cards must be purchased separately For long distance IRF connections use the SFP transceiver modules in Table 1 For short distance IRF connections use the SFP cables in Table 2 Table 1 10 Gbps SFP transceiver modules available for the SFP ports Module Central wavelength nm Connec tor Fiber diameter µm Maximum transmission distance SFP XG SX MM850 ...

Page 16: ... JC104B 5800 48G PoE TAA Switch with 1 Interface Slot JG257A JC257B The four fixed SFP ports on the front panel Ports on the expansion interface card on the rear panel All physical ports of an IRF port must be located on the front panel or the interface card on the rear panel 5800 24G Switch JC100A JC100B 5800 24G TAA Switch JG255A JG255B 5800 24G PoE Switch JC099A JC099B 5800 24G PoE TAA Switch J...

Page 17: ...abric setup procedure described in Setup and configuration task list to plan the IRF fabric identify IRF physical ports connect IRF member switches and configure basic settings Assign each member a unique IRF member ID to make sure they can merge You must reboot the members to validate the IRF member ID settings Assign the highest member priority to the device you want to use as the master Before ...

Page 18: ...quired Perform this task on each member switch 4 Connecting physical IRF ports Required 5 Binding physical ports to IRF ports Required Perform this task on each member switch 6 Accessing the IRF fabric Accessing the CLI of the master switch Accessing the CLI of a subordinate switch Login to the master s CLI is required You configure all member switches at the master s CLI From the master s CLI you...

Page 19: ...on about hardware and cabling see the switch installation guide Assigning a member ID to each IRF member switch CAUTION In an IRF fabric changing IRF member IDs might cause undesirable configuration changes and even data loss Before you do that back up the configuration and make sure you fully understand the impact on your network For example all member switches in an IRF fabric are the same model...

Page 20: ...result at the next master election but does not cause immediate master re election To specify a priority for the switch Step Command Remarks 1 Enter system view system view N A 2 Specify a priority for the switch irf member member id priority priority The default IRF member priority is 1 Connecting physical IRF ports When you connect two neighboring IRF members connect the physical ports of IRF po...

Page 21: ...Switching Command Reference To bind physical ports to IRF ports Step Command Remarks 1 Enter system view system view N A 2 Enter Ethernet interface view or interface range view Enter interface range view Approach 1 interface range interface type interface number to interface type interface number 1 5 Approach 2 interface range name name interface interface type interface number to interface type i...

Page 22: ...ype interface number to interface type interface number 1 5 Approach 2 interface range name name interface interface type interface number to interface type interface number 1 5 Enter interface view interface interface type interface number N A 9 Bring up the port or ports undo shutdown N A 10 Return to system view quit N A 11 Save the running configuration save N A 12 Activate the IRF port config...

Page 23: ...te switch You can log in to the CLI of a subordinate switch for maintenance or debugging At the CLI of a subordinate switch you are placed in user view and the command prompt changes to Sysname Slave member ID slot number for example Sysname Slave 2 You can use the following commands at a subordinate switch s CLI display quit return system view debugging terminal debugging terminal logging termina...

Page 24: ...RF links in system view or IRF port view In system view the configuration is global and takes effect on all IRF ports In IRF port view the configuration is port specific and takes effect only on the specified IRF port An IRF port preferentially uses the port specific load sharing mode If no port specific load sharing mode is available an IRF port uses the global load sharing mode Configuring the g...

Page 25: ...return before the timer expires the IRF fabric uses the bridge MAC address of the new master as its bridge MAC address This option avoids unnecessary bridge MAC address change caused by device reboot transient link failure or purposeful link disconnection irf mac address persistent always Bridge MAC address of the IRF fabric does not change after the master leaves undo irf mac address persistent B...

Page 26: ...automatically synchronize the system software of the master to the switch you are adding to the IRF fabric Step Command Remarks 1 Enter system view system view N A 2 Enable the software auto update function irf auto update enable By default this function is disabled In an IRF fabric enabled with software auto update if a software upgrade requires upgrading the Boot ROM image use the following upgr...

Page 27: ...sadvantages Application scenario LACP MAD Detection speed is fast Requires no MAD dedicated physical ports or interfaces Requires an intermediate HPE device that supports LACP MAD packets Link aggregation is used between the IRF fabric and its upstream or downstream device For information about LACP see Layer 2 LAN Switching Configuration Guide BFD MAD Detection speed is fast No intermediate devic...

Page 28: ...figure link aggregation settings also on the intermediate device To configure LACP MAD Step Command Remarks 1 Enter system view system view N A 2 Assign a domain ID to the IRF fabric irf domain domain id The default IRF domain ID is 0 3 Create an aggregate interface and enter aggregate interface view Enter Layer 2 aggregate interface view interface bridge aggregation interface number Enter Layer 3...

Page 29: ...on is mutually exclusive with VPN MAD IP address To avoid problems only use the mad ip address command to configure IP addresses on the BFD MAD enabled VLAN interface Do not configure an IP address with the ip address command or configure a VRRP virtual address on the BFD MAD enabled VLAN interface All MAD IP addresses on the BFD MAD enabled VLAN interface must be on the same subnet To configure B...

Page 30: ...und IP 192 168 2 1 VrfIndex 0 might appear on the fabric part that does not have the original master because this fabric part still keeps the forwarding entries with the original master as the destination This message does not affect forwarding The system stops generating it after the forwarding entries are aged out Configuring ARP MAD When you configure ARP MAD follow these guidelines If an inter...

Page 31: ... permit vlan vlan id Assign the port to the VLAN as a hybrid port port hybrid vlan vlan id tagged untagged The link type of ARP MAD ports can be access trunk or hybrid The default link type of a port is access 7 Return to system view quit N A 8 Enter VLAN interface view interface vlan interface interface number N A 9 Assign the interface an IP address ip address ip address mask mask length By defa...

Page 32: ...ery state IRF fabric are shut down except for the IRF physical ports and console port Recovering an IRF fabric After the failed IRF link between two split IRF fabrics is recovered log in to the Recovery state IRF fabric Use the reboot command to reboot all the members in the IRF fabric After these member switches join the Active state IRF fabric as subordinates IRF merge is complete as shown in Fi...

Page 33: ...red all ports that have been shut down by MAD automatically come up Displaying and maintaining an IRF fabric Task Command Remarks Display information about all IRF members display irf begin exclude include regular expression Available in any view Display the IRF fabric topology display irf topology begin exclude include regular expression Available in any view Display basic IRF settings display ir...

Page 34: ...for IRF fabrics that use different MAD mechanisms LACP MAD enabled IRF configuration example Network requirements As shown in Figure 13 set up a two member IRF fabric at the access layer of the enterprise network Configure LACP MAD on the multichassis aggregation to Device C an HPE device that supports extended LACP Figure 13 Network diagram Configuration procedure This example assumes that the sy...

Page 35: ...net2 0 26 quit DeviceB irf port 2 1 DeviceB irf port2 1 port group interface ten gigabitethernet 2 0 26 DeviceB irf port2 1 quit DeviceB interface ten gigabitethernet 2 0 26 DeviceB Ten GigabitEthernet2 0 26 undo shutdown DeviceB Ten GigabitEthernet2 0 26 save Activate IRF port configuration on Device A DeviceA Ten GigabitEthernet1 0 25 quit DeviceA irf port configuration active Activate IRF port ...

Page 36: ...ic DeviceC Bridge Aggregation2 quit Assign ports GigabitEthernet 1 0 1 and GigabitEthernet 1 0 2 to the aggregate interface DeviceC interface gigabitethernet 1 0 1 DeviceC GigabitEthernet1 0 1 port link aggregation group 2 DeviceC GigabitEthernet1 0 1 quit DeviceC interface gigabitethernet 1 0 2 DeviceC GigabitEthernet1 0 2 port link aggregation group 2 BFD MAD enabled IRF configuration example Ne...

Page 37: ... member devices connect IRF links as shown in Figure 14 and power on the two devices 3 Configure IRF port bindings Bind Ten GigabitEthernet 1 0 25 to IRF port 1 2 on Device A and save the configuration DeviceA system view DeviceA interface ten gigabitethernet 1 0 25 DeviceA Ten GigabitEthernet1 0 25 shutdown DeviceA Ten GigabitEthernet1 0 25 quit DeviceA irf port 1 2 DeviceA irf port1 2 port group...

Page 38: ...3 and add port GigabitEthernet 1 0 1 on Device A member ID 1 and port GigabitEthernet 2 0 1 on Device B member ID 2 to VLAN 3 DeviceA system view DeviceA vlan 3 DeviceA vlan3 port gigabitethernet 1 0 1 gigabitethernet 2 0 1 DeviceA vlan3 quit Create VLAN interface 3 and configure a MAD IP address for each member device on the interface DeviceA interface vlan interface 3 DeviceA Vlan interface3 mad...

Page 39: ...ces 3 Configure IRF port bindings Bind Ten GigabitEthernet 1 0 25 to IRF port 1 2 on Device A and save the configuration DeviceA system view DeviceA interface ten gigabitethernet 1 0 25 DeviceA Ten GigabitEthernet1 0 25 shutdown DeviceA Ten GigabitEthernet1 0 25 quit DeviceA irf port 1 2 DeviceA irf port1 2 port group interface ten gigabitethernet 1 0 25 DeviceA irf port1 2 quit DeviceA interface ...

Page 40: ...e Connect the ARP MAD links as shown in Figure 15 Configure the IRF fabric to change its bridge MAC address as soon as the master leaves DeviceA undo irf mac address persistent Create VLAN 3 and add port GigabitEthernet 1 0 1 on Device A and port GigabitEthernet 2 0 1 on Device B to VLAN 3 DeviceA vlan 3 DeviceA vlan3 port gigabitethernet 1 0 1 gigabitethernet 2 0 1 DeviceA vlan3 quit Create VLAN ...

Page 41: ...st one x y Asterisk marked square brackets enclose optional syntax choices separated by vertical bars from which you select one choice multiple choices or none 1 n The argument or keyword and argument combination before the ampersand sign can be entered 1 to n times A line that starts with a pound sign is comments GUI conventions Convention Description Boldface Window names button names field name...

Page 42: ... Represents an access controller a unified wired WLAN module or the access controller engine on a unified wired WLAN switch Represents an access point Represents a wireless terminator unit Represents a wireless terminator Represents a mesh access point Represents omnidirectional signals Represents directional signals Represents a security product such as a firewall UTM multiservice security gatewa...

Page 43: ...s provide a mechanism for accessing software updates through the product interface Review your product documentation to identify the recommended software update method To download product updates go to either of the following Hewlett Packard Enterprise Support Center Get connected with updates page www hpe com support e updates Software Depot website www hpe com support softwaredepot To view and u...

Page 44: ...r self repair CSR programs allow you to repair your product If a CSR part needs to be replaced it will be shipped directly to you so that you can install it at your convenience Some parts do not qualify for CSR Your Hewlett Packard Enterprise authorized service provider will determine whether a repair can be accomplished by CSR For more information about CSR contact your local service provider or ...

Page 45: ...umber edition and publication date located on the front cover of the document For online help content include the product name product version help edition and publication date located on the legal notices page ...

Page 46: ...C persistence 21 Configuring IRF link load sharing mode 20 Configuring MAD 23 Connecting physical IRF ports 16 Conventions 37 D Displaying and maintaining an IRF fabric 29 E Enabling software auto update for system software image synchronization 22 F File system naming conventions 5 G General restrictions and configuration guidelines 11 H Hardware compatibility 1 I Interface naming conventions 4 I...

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