L2 / L3 Switches Link Aggregation Configuration Guide
Contents
1. the default configurations automatically After removing any port from a port channel users must verify and change the port VLAN MTU and spanning tree configurations as needed The example below shows the steps necessary to remove a member port from a port channel interface Remove port ex 0 3 from port channel interface 10 SMIS configure terminal SMIS config int ex 0 3 SMIS config if no channel group SMIS config if exit 1 8 2 3 Modifying Member Ports Mode To modify the port channel mode active passive on for any member port users should first remove the port from the port channel using the no channel group command After removing the port from the port channel interface the channel group command can be configuredwith the required port mode Follow the steps below to change member ports mode Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 interface lt interface type gt lt interface id gt Enters the interface mode or interface range lt interface type gt lt interface id gt interface type may be any of the following gigabitethernet gi extreme ethernet ex qx ethernet qx interface id is in slot port format for all physical interfaces To configure multiple interfaces use the interface range command To Supermicro L2 L3 Switches Configuration Guide EO Link Aggregation Configuration Guide provide a ra2. Information in this document is subject to change without notice Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders Copyright 2013 by Super Micro Computer Inc All rights reserved Printed in the United States of America Supermicro L2 L3 Switches Configuration Guide eg Link Aggregation Configuration Guide Contents 1 Link Aggregation Configuration GUide ccccccssccccssseccccesecccccescceesesececcuneceeseecessuseceseuneceeseueeeetsgnesss 4 1 1 KRINS 4 1 2 MN Nr 5 1 3 AK ENN 6 1 4 Link Aggregation Defaults rrrrnnnnnnrrnnnnnrrnnnnnnrnnnnnnrrnnnnnnnnnnnnnennnnnnssnnnnnnsnnnnnesennnnnsnennunesennnnnssennnnene 6 1 5 TUNE 6 1 6 Dynamic Link Aggregation LACP J eee e keke ake Ke KEK else 6 1 7 TN yc roeoer rorw w raaXsX Xrbrkbkrn no o r ee ee 8 1 7 1 Creating Port Channel Interfaces rarnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnernnnnnnennnnnnsnnnnnennnnnssnnnnneseeennnn 8 1 7 2 Adding Member Ports to Port Channels cccccccssseccccsseceeccenscccceseceeseeceeeeseceseusecessuneess 9 1 8 MAP ANNENS 11 1 8 1 Modifying Port Channel Parameters rrrrnnnnnnnnnnnrnnnnnnrnnrnnnnernnnnnernnnnnernnnnnnsnnnnnsvennnnssnnnnnene 11 1 8 2 Modifying Port Channel Member Ports cccccccssseccccsecccecesscceceesecesseeceeseeeceseusecesseneess 11 1 9 Removing PN NG 14 LAO PN 15 110 1 LACP System Priority NN 16 VO LA
3. SUPERMICR L2 L3 Switches Link Aggregation Gonfiguration Guide Revision 1 0 Link Aggregation Configuration Guide The information in this USER S MANUAL has been carefully reviewed and is believed to be accurate The vendor assumes no responsibility for any inaccuracies that may be contained in this document makes no commitment to update or to keep current the information in this manual or to notify any person or organization of the updates Please Note For the most up to date version of this manual please see our web site at www supermicro com Super Micro Computer Inc Supermicro reserves the right to make changes to the product described in this manual at any time and without notice This product including software if any and documentation may not in whole or in part be copied photocopied reproduced translated or reduced to any medium or machine without prior written consent IN NO EVENT WILL SUPERMICRO BE LIABLE FOR DIRECT INDIRECT SPECIAL INCIDENTAL SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO USE THIS PRODUCT OR DOCUMENTATION EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN PARTICULAR SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY HARDWARE SOFTWARE OR DATA STORED OR USED WITH THE PRODUCT INCLUDING THE COSTS OF REPAIRING REPLACING INTEGRATING INSTALLING OR RECOVERING SUCH HARDWARE SOFTWARE OR DATA Any disputes arising between manufacturer and customer shall
4. Configure this aggregation as an access port on VLAN 10 3 Aggregate ports Gi 0 20 and Gi 0 21 statically Figure LA 3 Link Aggregation Configuration Example Switch A Gi 0 20 Gi 0 21 Ex 0 2 Static Switch B Po 1 LACP Po 3 LACP Trunk Native SMIS configure terminal Create all the required VLANs first SMIS config vlan 10 20 SMIS config vlan exit Create the port channel 1 interface SMIS config int port channel 1 SMIS config if exit Add member ports to the port channel 1 interface SMIS config int range ex 0 3 4 SMIS config if channel group 1 mode active SMIS config if exit Configure the VLAN requirements for the port channel 1 interface SMIS config int port channel 1 SMIS config if switchport mode trunk SMIS config if switchport trunk native vlan 20 SMIS config if exit Supermicro L2 L3 Switches Configuration Guide 230 Link Aggregation Configuration Guide Create the port channel 2 interface SMIS config int port channel 2 SMIS config if exit Add member ports to the port channel 2 interface SMIS config int range gi 0 20 21 SMIS config if channel group 2 mode on SMIS config if exit Create the port channel 3 interface SMIS config int port channel 3 SMIS config if exit Add member ports to the port channel 3 interface SMIS config tt int range ex 0 1 2 SMIS config if t channel group 3 mode active SMIS config if
5. LACP messages are expected to be received once every second Step 4 end Exits the configuration mode Step 5 show running config Displays the configured port priority information show etherchannel Step 6 write startup config Optional step saves this port timeout configuration to be part of startup configuration O The no lacp timeout command resets the LACP timeout to the default value of long The example below shows the steps necessary to configure the LACP timeout Configure the LACP timeout as short for ports ex 0 1 and ex 0 2 SMIS configure terminal SMIS config tt interface range ex 0 1 2 SMIS config if lacp timeout short SMIS config if exit 1 10 4 LACP Wait Time Switch waits for LACP wait time period before adding any member port in to aggregation The default LACP wait time period is two seconds Users can choose any time interval from 0 to 10 seconds as the LACP wait time The LACP wait time is port specific and users can configure different LACP wait times on different member ports Follow the steps below to modify the LACP wait time Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 interface lt interface type gt lt interface id gt Enters the interface mode or interface range lt interface type gt lt interface id gt interface type may be any of the following gigabitethernet gi extreme ethernet e
6. down when the ports physical link status of all members are down Switches do not exchange any port channel control information with other end devices in static link aggregation Hence users need to configure the port channel groups and member ports correctly on both end devices 1 6 Dynamic Link Aggregation LACP Supermicro switches support dynamic link aggregation through IEEE 802 3ad Link Aggregation Control Protocol LACP Supermicro L2 L3 Switches Configuration Guide C Link Aggregation Configuration Guide Users can add one or more ports to an LACP mode port channel When more than eight member ports are configured only the first eight member ports reaching bundle state will be used for data traffic Ports in LACP mode exchange LACP packets with other end device The LACP system priority switch MAC address port LACP priority port number and aggregation key are all exchanged between devices Based on the exchanged information both end devices agree on the status of the member ports The member ports that successfully negotiated LACP parameters will be moved to the bundle state The member ports that could not reach agreement on LACP parameters will stay in the independent state Switches do not send traffic on member ports in independent state When one or more member ports reach the bundle state the port channel status will be up The port channel status will be down when all its member ports ar
7. be governed by the laws of Santa Clara County in the State of California USA The State of California County of Santa Clara shall be the exclusive venue for the resolution of any such disputes Super Micro s total liability for all claims will not exceed the price paid for the hardware product FCC Statement This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the manufacturer s instruction manual may cause harmful interference with radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case you will be required to correct the interference at your own expense California Best Management Practices Regulations for Perchlorate Materials This Perchlorate warning applies only to products containing CR Manganese Dioxide Lithium coin cells Perchlorate Material special handling may apply See http www dtsc ca gov hazardouswaste perchlorate for further details Manual Revision 1 0 Release Date January 25 2013 Unless you request and receive written permission from Super Micro Computer Inc you may not copy any part of this document
8. be used on its all member ports Step 5 VLAN Configurations Optional step configures the VLAN parameters for port channel interfaces Refer to the VLAN configuration guide for all VLAN configuration details Step 6 Spanning Tree Configurations Optional step configures the spanning tree parameters for port channel interfaces Refer to the spanning tree configuration guide for all spanning tree configuration details Step 7 end Exits the configuration mode Step 8 show interface port channel lt channel group Displays the configured port channel number gt information show etherchannel channel group number detail load balance port por t channel summary protocol Step 9 write startup config Optional step saves this port channel configuration to be part of startup configuration 1 7 2 Adding Member Ports to Port Channels Users can add up to eight member ports to static port channels For LACP port channels user can add more than eight ports but only the first eight member ports reaching a bundle state will be part of the port channel for data transfer Oo Only ports of same speed can be added to port channel interfaces Follow the steps below to add member ports to port channel interfaces Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 interface lt interface type gt lt interface id gt Enters the interface m
9. noted 1 1 Link Aggregation Basics The Link Aggregation feature when helps connecting two or more physical links between two network devices without forming loops Link Aggregation can be used between switches servers and routers Link Aggregation provides the following advantages Supermicro L2 L3 Switches Configuration Guide TT Link Aggregation Configuration Guide gt Increased bandwidth User can connect up to eight physical links between devices to increase the link bandwidth When 1 Gbps links are aggregated users can get an aggregated link with up to 8 Gbps bandwidth In 10Gig switches user can aggregate eight 10Gig ports to get up to 80 Gbps speed aggregated uplink gt Incremental bandwidth Users can start aggregation with a fewer number of ports and then increase the number of ports in aggregation up to eight incrementally based on the bandwidth requirements gt Redundancy When one of the physical links fails traffic will be distributed over the other remaining links in the aggregation Figure LA 1 Link Aggregation Switch A Ex0 3 Gi 0 1 Ex 0 4 Switch B Port channel 1 between switches Port channel 2 between server and switch The terms port channel channel group and ether channels are used synonymously to refer to aggregated links 1 2 Link Aggregation Support Supermicro switches support both static and dynamic link aggregations Dynamic link
10. saves this LACP configuration to be part of startup configuration Q The no lacp system priority command resets the LACP system priority to the default value The example below shows the steps necessary to configure the LACP system priority value Set the LACP system priority as 1000 SMIS configure terminal SMIS config lacp system priority 1000 SMIS config if exit 1 10 2 LACP Port Priority When more than eight member ports are configured the ports that have the lowest port priority value get selected as active member ports If multiple ports have the same port priority value the ports with the numerically lower port numbers will be selected as the active member ports Supermicro L2 L3 Switches Configuration Guide 16 Link Aggregation Configuration Guide The default LACP port priority is 128 Follow the steps below to modify the LACP port priority Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 interface lt nterface type gt lt interface id gt Enters the interface mode or interface range lt interface type gt lt interface id gt interface type may be any of the following gigabitethernet gi extreme ethernet ex qx ethernet ax interface id is in slot port format for all physical interfaces To configure multiple interfaces use the interface range command To provide a range use a hyphen between the sta
11. the same The default load balancing algorithm is Source and Destination MAC Based Follow the below steps to configure the load balancing algorithm Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 port channel load balance src mac dest mac channel group is the port channel src dest mac src ip dest ip src dest ip identifier to which this load balancing lt channel group gt algorithm is configured channel group number is an optional parameter for this configuration When channel group is not provided the given port channel algorithm will be applied to all port channel interfaces Step 3 end Exits the configuration mode Step 4 show running config Displays the configured load balancing information Supermicro L2 L3 Switches Configuration Guide a TT Link Aggregation Configuration Guide Step5 write startup config Optional step saves this load balancing configuration to be part of startup configuration The no port channel load balance command resets the load balancing algorithm to the default value of src dest mac The example below shows the steps necessary to configure the port channel load balancing algorithm Configure the load balancing algorithm based upon source and destination IP addresses SMIS configure terminal SMIS config port channel load balance src dest ip SMIS config if exit 1 12 Disabli
12. CPPOrCPrIOT I ee OA 16 2105 PO NON 18 AP VENN 19 LL FONN 20 1 12 Disabling Link Aggregation Feature rrrrnnnnnrrnnnnnnrnnnnnnrrnnnnnnernnnnnnennnnnnsnnnnnnennnnnnennnnnnsnnnnnnesennnnneee 22 1 13 Link Aggregation Configuration ExaMple cccccccsssccccssecccceesececcesecceseeseceseessessegeceeseneeetsunecets 23 Supermicro L2 L3 Switches Configuration Guide E Link Aggregation Configuration Guide 1 Link Aggregation Configuration Guide This document describes the Link Aggregation feature supported in Supermicro Layer 2 Layer 3 switch products This document covers the Link Aggregation configurations for the below listed Supermicro switch Products Top of Rack Switches Blade Switches e SSE G24 TG4 e SBM GEM X2C e SSE G48 TG4 e SBM GEM X2C e SSE X245S e SBM GEM X3S e SSE X3348S e SBM XEM X10SM e SSE X3348T The majority of this document applies to the above listed Supermicro switch products In any particular sub section however the contents might vary across these switch product models In those sections the differences are clearly identified with reference to particular switch product models If any particular switch product model is not referenced the reader can safely assume that the content is applicable to all the above listed models O Throughout this document the common term switch refers to any of the above listed EK Supermicro switch product models unless a particular switch product model is
13. LACP timeout selection does not need to match on both end devices An LACP port with a long timeout can be connected to a port which has a short timeout When the long timeout value is chosen LACP messages are expected to be received once every 30 seconds When the short timeout value is chosen LACP messages are expected to be received once every second The default LACP timeout is long Follow the steps below to modify the LACP timeout value Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 interface lt interface type gt lt interface id gt Enters the interface mode or interface range lt interface type gt lt interface id gt interface type may be any of the following gigabitethernet gi extreme ethernet ex qx ethernet qx interface id is in slot port format for all physical interfaces To configure multiple interfaces use the interface range command To provide a range use a hyphen between the start and end interface numbers E g int range gi 0 1 10 To provide multiple interfaces or ranges separate with a comma E g int range gi 0 1 10 gi 0 20 Step 3 lacp timeout long short Configures the LACP port timeout Supermicro L2 L3 Switches Configuration Guide 18 Link Aggregation Configuration Guide long LACP messages are expected to be received once every 30 seconds short
14. a port channel interface will be used on its member ports After adding a port to any port channel users should not configure MTU VLAN and spanning tree parameters on that port Instead users should configure MTU VLAN and spanning tree parameters on the port channel interfaces The examples below show various ways to create port channels Create an LACP port channel with member ports ex 0 1 and ex 0 2 Supermicro L2 L3 Switches Configuration Guide rr TT Link Aggregation Configuration Guide SMIS configure terminal SMIS config interface port channel 10 SMIS config if exit SMIS config tt int range ex 0 1 2 SMIS config if channel group 10 mode active SMIS config if end Create a static port channel having MTU 9000 with member ports ex 0 1 and ex 0 2 Also configure this port channel as a trunk interface to carry all the VLANs configured in the switch SMIS configure terminal SMIS config interface port channel 10 SMIS config if mtu 9000 SMIS config if switchport mode trunk SMIS config if exit SMIS config tt int range ex 0 1 2 SMIS config if channel group 10 mode on SMIS config if end 1 8 Modifying Port Channels 1 8 1 Modifying Port Channel Parameters After a port channel is created users can modify the port channel configuration for description MTU VLAN and spanning tree parameters Users should not modify these parameters on port channel member ports directly Instead these parameters sho
15. aggregation support is based on the Link Aggregation Control Protocol LACP Supermicro switches support only Layer 2 level link aggregation Hence only switching ports can be aggregated Layer 3 interfaces cannot be aggregated in Supermicro switches Supermicro switches do not support the Multiple Chassis Link Aggregation MLAG feature Supermicro L2 L3 Switches Configuration Guide So Link Aggregation Configuration Guide 1 3 Link Ag regation Numbers Supermicro switches support up to 24 port channels Each port channel can have eight active links Users can configure more than eight ports to a LACP mode port channel However a maximum of eight ports only can be in an active bundle state in any port channel 1 4 Link Aggregation Defaults The Link Aggregation feature is enabled by default in Supermicro switches When a port channel interface is created it will be added to VLAN 1 by default Port channels use the MAC address of the first physical link added to it The default LACP system priority is 32768 The default LACP port priority is 128 The default LACP timeout is long 30 seconds The default LACP wait time is 2 seconds 1 5 Static Link Ag regation Supermicro switches support static link aggregation User can add up to eight ports to a static port channel group When the physical link status of one or more ports in a channel group is up that port channel status will be up The port channel status will be
16. cription Step 1 configure terminal Enters the configuration mode Step 2 interface lt interface type gt lt interface id gt Enters the interface mode or interface range lt interface type gt lt interface id gt interface type may be any of the following gigabitethernet gi extreme ethernet ex qx ethernet ax interface id is in slot port format for all physical interfaces To configure multiple interfaces use the interface range command To provide a range use a hyphen between the start and end interface numbers E g int range gi 0 1 10 To provide multiple interfaces or ranges separate with a comma E g int range gi 0 1 10 gi 0 20 Step 3 no channel group Removes the member ports from the port channel Step 4 end Exits the configuration mode Step 5 show interface port channel lt channel group Displays the configured port channel number gt information show etherchannel channel group number Supermicro L2 L3 Switches Configuration Guide 2 Link Aggregation Configuration Guide detail load balance port por t channel summary protocol Step 6 write startup config Optional step saves this port channel configuration to be part of startup configuration When a port is removed from a port channel that port will be added to VLAN 1 automatically The MTU and spanning tree configurations of that port will not be changed to
17. e either physically down or in the ndependent state Ports can be configured in either active or passive LACP mode Ports in active LACP mode will initiate LACP negotiation by sending LACP messages to the other end devices Ports in passive LACP mode will not initiate the LACP negotiation but they will respond to LACP messages if received from other end devices Users should configure for an active LACP mode on at least one end of the LACP port O channel connection If LACP mode is configured as passive on both end devices the port TT channel interface will not come up Configuring LACP mode as active on both the end devices is allowed Figure LA 2 Dynamic Link Aggregation Switch A Switch B PON LE Aggregated Ports 1 Bundle 2 Bunde li S l Down Independent Port channel Configuration Port channel Configuration on Switch B ports 1 to 3 on Switch A ports I to 5 Supermicro L2 L3 Switches Configuration Guide Link Aggregation Configuration Guide Figure LA 2 Dynamic Link Aggregation shows an example of a port channel configuration with port status and aggregated ports In this example port 5 is not configured on LACP mode on switch B and is therefore shown as being in the independent state and not part of the aggregated ports 1 7 Creating Port Channels Port channel creation involves two steps the first step is creating the port c
18. exit Configure the VLAN requirements for the port channel 3 interface SMIS config int port channel 3 SMIS config if switchport mode access SMIS config if switchport access vlan 10 SMIS config if t end Check the running configuration for accuracy SMIS show running config Building configuration Switch ID Hardware Version Firmware Version 0 SSE G48 TG4 P2 01 1 0 13 7 ip address dhcp interface port channel 1 exit interface port channel 2 exit interface port channel 3 exit vlan 1 ports gi 0 1 19 untagged ports gi 0 22 48 untagged ports po 2 untagged exit vlan 10 ports po 3 untagged exit vlan 20 ports po 1 untagged Supermicro L2 L3 Switches Configuration Guide ETTI Link Aggregation Configuration Guide exit interface Gi 0 20 channel group 2 mode on interface Gi 0 21 channel group 2 mode on interface Ex 0 1 channel group 3 mode active interface Ex 0 2 channel group 3 mode active interface Ex 0 3 channel group 1 mode active interface Ex 0 4 channel group 1 mode active interface po 1 switchport trunk native vlan 20 switchport mode trunk interface po 3 switchport access vlan 10 switchport mode access interface vlan 1 ip address dhcp exit SMIS Check the port channels using the show etherchannel command SMIS show etherchannel detail Port channel Module Admin Status is enabled Port channel Module Oper Status is enabled Port channel System Identifier
19. hannel interfaces Supermicro L2 L3 Switches Configuration Guide 14 Link Aggregation Configuration Guide Step Command Description Step 1 configure terminal Enters the configuration mode Step2 no interface port channel lt channel group Removes the port channel interface number gt or channel group number may be any number from 1 to 65535 no interface range port channel lt channel group number To remove multiple port channel interfaces use the no interface range command To provide a range use a hyphen between the start and end interface numbers E g no int range po 1 3 To provide multiple interfaces or ranges separate with a comma E g no int range po 1 2 Step 3 show running config Displays the port channel information show etherchannel Step 4 write startup config Optional step saves this port channel configuration to be part of startup configuration When a port channel is removed all its member ports will be added to VLAN 1 automatically The MTU and spanning tree configurations of that port will not automatically be changed to default configurations The example below shows the necessary steps to remove a port channel interface Remove the port channel 10 and add all its member ports to VLAN 10 as access ports SMIS configure terminal SMIS config no int port channel 10 SMIS config tt interface range ex 0 1 2 SMIS config if switchp
20. hannel interfaces and the second step is adding member ports to the port channel interfaces 1 7 1 Creating Port Channel Interfaces Follow the steps below to create port channel interfaces in Supermicro switches Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 interface port channel lt channel group number gt Creates a port channel using interface or port channel command no interface range port channel lt channel group number channel group number may be any number from 1 to 65535 To configure multiple port channel interfaces use the interface range command To provide a range use a hyphen between the start and end interface numbers E g int range po 1 3 To provide multiple interfaces or ranges separate with a comma E g int range po 1 2 Step 3 description lt string gt Optional step adds any name string to the port channel interfaces using the description command The string may be up to 64 characters in length The port channel description strings will not affect the member ports description strings configurations Step 4 mtu lt framesize gt Optional step Configures the MTU for the port channel interfaces framesize may be any number from 1500 to 9216 The default value is 1500 Supermicro L2 L3 Switches Configuration Guide ETTI Link Aggregation Configuration Guide Port channel MTU will
21. his port channel configuration SMIS write startup config Building configuration please wait May take a few minutes OK SMIS Supermicro L2 L3 Switches Configuration Guide 290
22. ion to transmit a packet on any particular member port is decided by a hash algorithm Supermicro switches support the following hash algorithms Supermicro L2 L3 Switches Configuration Guide en TT Link Aggregation Configuration Guide Source MAC Based e Packets will be distributed across the member ports based on the source MAC address of the packet Destination MAC Based e Packets will be distributed across the member ports based on the destination MAC address of the packet Source and Destination MAC Based e Packets will be distributed across the member ports based on the source and destination MAC addresses of the packet Source IP Based e Packets will be distributed across the member ports based on the source IP address of the packet Destination IP Based e Packets will be distributed across the member ports based on the destination IP address of the packet Source and Destination IP Based e Packets will be distributed across the member ports based on the source and destination IP addresses of the packet The hash algorithm provides the best distribution when the traffic has multiple streams Users need to choose the right hash algorithm based on their common traffic scenarios The load balance algorithm selection can be configured for individual port channel interfaces or it can be configured globally for all port channel interfaces The load balancing algorithm on both ends of a port channel need not be
23. is 00 30 48 a1 11 01 LACP System Priority 32768 Channel Group Listing Supermicro L2 L3 Switches Configuration Guide ET Link Aggregation Configuration Guide Protocol LACP Ports in the Group Port State Down Not in Bundle Channel Group 1 Mode Active Pseudo port channel Po1 LACP port priority 128 LACP Wait time 2 secs LACP Activity Active LACP Timeout Long Aggregation State Aggregation Defaulted Port Ex0 4 Port State Down Not in Bundle Channel Group 1 Mode Active Pseudo port channel Po1 LACP port priority 128 LACP Wait time 2 secs LACP Activity Active LACP Timeout Long Aggregation State Aggregation Defaulted LACP Port Admin Oper Port Port Port State Priority Key Key Number State Ex0 3 Down 128 1 1 0x33 0x45 Ex0 4 Down 128 1 1 0x34 0x45 Port channel Po1 Number of Ports 2 HotStandBy port null Port state Port channel Ag Not Inuse Protocol LACP Default Port None Supermicro L2 L3 Switches Configuration Guide 26 Link Aggregation Configuration Guide Channel Group Listing Protocol Manual Ports in the Group Port State Down Not in Bundle Channel Group 2 Mode On Pseudo port channel Po2 LACP port priority 128 LACP Wait time 2 secs LACP Activity Passive LACP Timeout Long Aggregation State Aggregation Defaulted Port Gi0 21 Port State Down Not in Bundle Channel Group 2 Mode On Pseudo port channel P
24. ng the Link Aggregation Feature The link aggregation feature is enabled by default in Supermicro switches Users can disable link aggregation if needed Follow the steps below to disable the link aggregation feature Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 set port channel disable Disables the link aggregation feature Step 3 end Exits the configuration mode Step 4 show etherchannel Displays link aggregation feature status Step 5 write startup config Optional step saves this configuration to be part of startup configuration To enable the link aggregation feature follow the steps below Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 set port channel enable Enables the link aggregation feature Step 3 End Exits the configuration mode Step 4 show etherchannel Displays link aggregation feature status Step 5 write startup config Optional step saves this configuration to be part of startup configuration Supermicro L2 L3 Switches Configuration Guide Em TI Link Aggregation Configuration Guide 1 13 Link Aggregation Configuration Example Configure Switch A as shown below in Figure LA 3 1 Aggregate ports Ex 0 3 and Ex 0 4 with LACP mode Also configure this aggregation as a trunk interface with native VLAN 20 2 Aggregate ports Ex 0 1 and Ex 0 2 with LACP mode
25. nge use a hyphen between the start and end interface numbers E g int range gi 0 1 10 To provide multiple interfaces or ranges separate with a comma E g int range gi 0 1 10 gi 0 20 Step 3 no channel group Removes the member ports from the port channel Step 4 channel group lt channel group number gt mode Configures the interfaces as member active passive on ports with the given port mode For LACP aggregation use the active or passive mode For static link aggregation use the mode on channel group number The port channel to which these member ports are added Step 5 end Exits the interface configuration mode Step 6 show interface port channel lt channel group Displays the configured port channel number gt information show etherchannel channel group number detail load balance port por t channel summary protocol Step 7 write startup config Optional step saves this port channel configuration to be part of startup configuration The example below shows the steps necessary to modify the member ports modes of a port channel interface Modify the member ports modes to active for ports ex 0 2 and ex 0 3 SMIS configure terminal SMIS config int range ex 0 2 3 SMIS config if no channel group SMIS config if channel group 10 mode active SMIS config if exit 1 9 Removing Port Channels Follow the steps below to remove the port c
26. o2 LACP port priority 128 LACP Wait time 2 secs LACP Activity Passive LACP Timeout Long Aggregation State Aggregation Defaulted LACP Port Admin Oper Port Port Port State Priority Key Key Number State Gi0 20 Down 128 2 2 0x14 0x44 Gi0 21 Down 128 2 2 0x15 0x44 Port channel Po2 Number of Ports 2 HotStandBy port null Supermicro L2 L3 Switches Configuration Guide ETI Link Aggregation Configuration Guide Port state Port channel Ag Not Inuse Protocol Manual Default Port None Channel Group Listing Protocol LACP Ports in the Group Port State Down Not in Bundle Channel Group 3 Mode Active Pseudo port channel Po3 LACP port priority 128 LACP Wait time 2 secs LACP Activity Active LACP Timeout Long Aggregation State Aggregation Defaulted Port Ex0 2 Port State Down Not in Bundle Channel Group 3 Mode Active Pseudo port channel Po3 LACP port priority 128 LACP Wait time 2 secs LACP Activity Active LACP Timeout Long Aggregation State Aggregation Defaulted LACP Port Admin Oper Port Port Port State Priority Key Key Number State Ex0 1 Down 128 3 3 0x31 0x45 Ex0 2 Down 128 3 3 0x32 0x45 Port channel Po3 Supermicro L2 L3 Switches Configuration Guide e TI Link Aggregation Configuration Guide Number of Ports 2 HotStandBy port null Port state Port channel Ag Not Inuse Protocol LACP Default Port None SMIS Save t
27. ode or interface range lt interface type gt lt interface id gt interface type may be any of the following gigabitethernet gi extreme ethernet ex Supermicro L2 L3 Switches Configuration Guide oo Link Aggregation Configuration Guide qx ethernet ax interface id is in slot port format for all physical interfaces To configure multiple interfaces use the interface range command To provide a range use a hyphen between the start and end interface numbers E g int range gi 0 1 10 To provide multiple interfaces or ranges separate with a comma E g int range gi 0 1 10 gi 0 20 Step 3 channel group lt channel group number gt mode Configures the interfaces as member active passive on ports for the given port channel channel group number The port channel to which these member ports are added For LACP aggregation use the active or passive mode For static link aggregation use mode on Step 4 end Exits the interface configuration mode Step 5 show interface port channel lt channel group Displays the configured port channel number gt information show etherchannel channel group number detail load balance port por t channel summary protocol Step 6 write startup config Optional step saves this port channel configuration to be part of startup configuration The MTU VLAN and spanning tree parameters of
28. ort mode access SMIS config if switchport access vlan 10 SMIS config if exit 1 10 LACP Parameters Users can configure the following LACP parameters on Supermicro switches m LACP System Priority m LACP Port Priority m LACP Timeout Supermicro L2 L3 Switches Configuration Guide BET Link Aggregation Configuration Guide Mm LACP Wait Time 1 10 1 LACP System Priority Every LACP device needs to have a globally unique system identifier This globally unique system identifier is formed by combining a switch s MAC address and LACP system priority LACP system priority is also used to decide the active member ports of a port channel When more than eight member ports are configured the switch that has low system priority value decides the active member ports If both end devices have the same LACP system priority the device with the numerically lower MAC address will get to decide the active member ports The default LACP system priority value is 32768 Follow the steps below to modify the LACP system priority Step Command Description Step 1 configure terminal Enters the configuration mode Step 2 lacp system priority lt system priority gt Configures the LACP system priority system priority may be any value from 0 to 65535 Step 3 exit Exits the configuration mode Step 4 show running config Displays the configured LACP system priority value Step 5 write startup config Optional step
29. rt and end interface numbers E g int range gi 0 1 10 To provide multiple interfaces or ranges separate with a comma E g int range gi 0 1 10 gi 0 20 Step 3 lacp port priority lt port priority gt Configures the LACP port priority port priority may be any value from 0 to 65535 Step 4 end Exits the configuration mode Step 5 show running config Displays the configured port priority information show etherchannel Step 6 write startup config Optional step saves this port priority configuration to be part of startup configuration O The no lacp port priority command resets the LACP port priority to the default value of 128 The example below shows the steps necessary to configure the port priority Configure the port priority as 10 for ex 0 1 and 20 for ex 0 2 Supermicro L2 L3 Switches Configuration Guide w Link Aggregation Configuration Guide SMIS configure terminal SMIS config interface ex 0 1 SMIS config if lacp port priority 10 SMIS config if exit SMIS config interface ex 0 2 SMIS config if lacp port priority 20 SMIS config if exit 1 10 3 LACP Timeout Every LACP member port sends LACP messages periodically The time period between LACP messages is configurable using the lacp timeout command Users can define the LACP timeout value either as long or short Every member port can have different LACP timeout selections Also the
30. uld be configured on port channel interfaces To modify port channel parameters follow the same steps used to create the port channels as explained in the Creating Port Channel Interfaces section The example below shows the steps to modify the parameters of a port channel interface Modify port channel 10 as a trunk interface to allow VLANs 100 to 200 with a native VLAN 100 SMIS configure terminal SMIS config interface port channel 10 SMIS config if switchport mode trunk SMIS config if switchport trunk allowed vlan 100 200 SMIS config if switchport trunk native vlan 100 SMIS config if exit 1 8 2 Modifying Port Channel Member Ports Users can add or remove member ports to the existing port channels Users can also modify the port modes for member ports Supermicro L2 L3 Switches Configuration Guide aT Link Aggregation Configuration Guide 1 8 2 1 Adding New Member Ports To add new member ports to an existing port channel follow the same steps explained in the Adding Member Ports to Port Channels section The example below shows the steps necessary to add a new member port to an existing port channel interface Add port ex 0 3 to static port channel interface 10 SMIS configure terminal SMIS config int ex 0 3 SMIS config if channel group 10 mode on SMIS config if exit 1 8 2 2 Removing Member Ports Follow the steps below to remove member ports from the port channel interfaces Step Command Des
31. x qx ethernet ax Supermicro L2 L3 Switches Configuration Guide Ew TI Link Aggregation Configuration Guide interface id is in slot port format for all physical interfaces To configure multiple interfaces use the interface range command To provide a range use a hyphen between the start and end interface numbers E g int range gi 0 1 10 To provide multiple interfaces or ranges separate with a comma E g int range gi 0 1 10 gi 0 20 Step 3 lacp wait time timeout Configures the LACP port wait time timeout may be any value from 0 to 10 seconds Step 4 End Exits the configuration mode Step 5 show running config Displays the configured port priority information show etherchannel Step 6 write startup config Optional step saves this LACP wait time configuration to be part of startup configuration O The no lacp wait time command resets the LACP wait time to the default value of 2 The example below shows the necessary steps to configure the LACP wait time Configure the LACP wait time as 0 for ports ex 0 1 and ex 0 2 SMIS configure terminal SMIS config interface range ex 0 1 2 SMIS config if lacp wait time 0 SMIS config if exit 1 11 Load Balancing Supermicro switches support load balancing on aggregated links Switches distribute outgoing traffic on all member ports that are in bundle state The distribution decis
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