Under the support section, click download software for this product. Cisco configuration professional ccp download ccna security. Etherchannel configuration guidelines and restrictions. You would need dot1q trunk mode if youre tagging multiple vlans across the links which is common for esxi hosts with multiple networks on the same nics. It is important to remember that both of these protocols pagb and lacp are link aggregation protocols only, their job is to make sure that etherchannel is setup correctly by negotiating.
You can configure an etherchannel in one of these modes. This lab will discuss and demonstrate the configuration and verification of pagp etherchannel. Cisco nexus 5000 series nxos layer 2 switching configuration guide, release 4. Link aggregation, lacp, and etherchannel vmware communities.
S device is requesting slow lacpdus f device is requesting fast lacpdus a device is in active mode p device is in passive mode channel group 1 neighbors partners information. For additional information relating to configuring of etherchannellink aggregation with esxesxi and cisco hp switches, check out vmware knowledge base article sample configuration of. Lacp is the ieee standard and is the most common dynamic ether channel protocol, whereas pagp is a cisco proprietary protocol and works only between supported vendors and cisco devices. The table is accurate for the general concepts of etherchannels that cisco wants you to understand. Lacp is a link aggregation protocol that is defined by ieee 802. Jan 06, 2017 hello friends to day i will to give you how to configurate etherchannel in protocol lacp link configuration. In this tutorial i want to show you how to configure an etherchannel between your cisco catalyst switch and a synology nas device. Oct 12, 2015 as you can see above, po1 is trunking with 802. Can i have 1st nic primary link going to switch a and 2nd nic backup link going to switch b. Etherchannel overview etherchannel is a cisco technology that enables the aggregation or bundling of switchports into one logical link. Our second switch is already configured up,so were just going to do our configuration here on dswitch1. Bundling multiple switchport ethernet links into one logical channel increases bandwidth as well creating redundancy and fault tolerance. The messages sent by pagp are always sent to the known multicast addresses 0ccccccc and 0x0104 2 protocol code. Nov 06, 2010 etherchannel using lacp if you want to configure an etherchannel using a dynamic exchange of packets that is compliant with an industry standard method, the ios offers you two mode options.
An etherchannel is a link aggregation technology whereby two switches are connected together with multiple interfaces which are bundled together to form a single logical interface. To verify the etherchannel lacp configuration you can use either the show etherchannel summary or show etherchannel detail command in user or privileged mode as shown below. D down p in portchannel ent1 aix i standalone s suspended ent2 h hotstandby lacp only fastethernet 010 r layer3 s layer2 u. Pagp is a ciscoproprietary protocol that you can only run on cisco switches and on switches that are licensed vendors to support pagp. Pagp cisco proprietary enables the catalyst switches to learn the capabilities of each interface assigned to an etherchannel group and activate interfaces of similar configuration to form a portchannel. Mar 30, 2010 matching network parameters between ibm system p and cisco networks configuring link aggregation ieee 802. Instructor alright, so here we are in my environment. Catalyst 4500 series switch cisco ios software configuration. Catalyst 3750x and 3560x switch software configuration. Protocol, lacp link aggregation control protocol and static etherchannel. A misconfiguration can occur if the switch interfaces are configured in an etherchannel, but the interfaces on the other device are not. Configuring cisco lacp etherchannel derpy networking. Etherchannel configuration examples and technotes cisco.
Below are the configurations of both the cisco switch 6500 in this case and peer vswitch in esx to support link aggregation control protocol 802. May 24, 2016 configuring cisco lacp etherchannel derpy networking. How to configure and verify etherchannels download free vce. Etherchannel configuration on cisco switch learn linux ccna. When configured in this manner, a switch in a stack could fail taking two links with it, but the second switch in the stack would continue to operate. Essentially, the active end of the lacp group sends out special frames advertising the ability and desire to form an etherchannel. Pagp etherchannel configuration, page 223 ieee 802. The channel protocol lacp is not absolutely needed it knows when you add channelgroup x mode active that it is lacp. Etherchannel cisco switches configuration using packet tracer version 6. Switchrouter ports can form an etherchannel when they are in different pagp modes as per below criteria a port in the desirable mode can form an etherchannel with another port that is in the desirable or auto mode. Oct 12, 20 so in the end game is get 2gbps instead of 1gbps between switches while using ciscos proprietary protocol pagb.
About etherchannel configure with fru 00e1854 aix forum forum. Autopassive will tell that end to passively wait for the other end to start the etherchannel negotiation process, while desirableactive will actively try to initiate the etherchannel link establishment modes for pagp and lacp, respectively. One server ibm aix with 2 nics that have etherchannel set with mode 8023ad. Etherchannels manually or you can use the port aggregation control protocol pagp or, with release cisco ios. Then the industry created its vendorneutral homotocol, lacp. So in the end game is get 2gbps instead of 1gbps between switches while using ciscos proprietary protocol pagb. Etherchannel now has also has an industry standard, lacp. Aug 19, 20 standardsbased negotiation protocol, known as ieee 802. Port aggregation protocol pagp, link aggregation control protocol lacp, or on. Cisco uses the term, etherchannel, to encompass both the pagpbased and the lacpbased link aggregation methods. Configuring etherchannel utilizing pagp free ccna workbook. Etherchannel can be configured on many different switch platforms such as the 65006000, 55005000, 45004000. Matching network parameters between ibm system p and cisco networks configuring link aggregation ieee 802. A misconfiguration can occur if the switch interfaces are configured in an etherchannel.
Etherchannel using lacp if you want to configure an etherchannel using a dynamic exchange of packets that is compliant with an industry standard method, the ios offers you two mode options. Etherchannel bonding portchannel network redundancy. Catalyst 4500 series switch sw configuration guide. It uses the multicast address of 0ccccccc for communication.
Yes, im sticking with the term homotocol, and you cant stop me. Catalyst 2960x switch layer 2 configuration guide, cisco ios release 15. This is only required if an etherchannel exists between the blade and the internal chassis switch, or if the blade is operating in a network passthrough mode with an etherchannel to the upstream switch. Configuring layer three etherchannel posted on may 7, 2018 may 5, 2018 by ryan when you want more speed all you need is etherchannel, etherchannel can be configured as a layer three logical interface instead of just sitting at layer two. Esxesxi running on a blade system do not require ip hash load balancing if an etherchannel exists between the blade chassis and upstream switch. Lacp cisco networking, vpn security, routing, catalyst. Configuring an etherchannel link free ccna workbook. In this way you can configure lacp etherchannel in cisco switch. Sample configuration of etherchannel link aggregation control protocol lacp with esxiesx and ciscoh for lacp deployments only with 5. It allows grouping of several physical ethernet links to create one logical ethernet link for the purpose of providing faulttolerance and highspeed links between switches, routers and servers. Stacking is very proprietary and may differ between different devices. Implementing and troubleshooting etherchannel hack and tinker.
Basically it sounds like the configuration is 100% correct and you shouldnt mess with it. Standardsbased negotiation protocol, known as ieee 802. Bipin is a freelance network and system engineer with expertise on cisco, juniper, microsoft, vmware, and other technologies. For example, you can stack original generation 3750s, stackwise, with later generation 3750s ex models stackwiseplus, but both wont stack with 2960s, flexstack, or later 2960 flexstackplus series models, although. Cisco was the first to the table with an etherchannel implementation when they created pagp. Etherchannel uses a ciscoproprietary hashing algorithm to achieve this link bonding. He explains how to configure and troubleshoot etherchannel. Pagp is a ciscoproprietary protocol while lacp is standard or multivendor as defined in ieee 802. Layer 2 etherchannel free ccna in this video imran explains the concepts. Jan 22, 2016 cisco uses the term, etherchannel, to encompass both the pagpbased and the lacp based link aggregation methods. Cisco devices running ios support single port configuration for lacp.
Etherchannel cisco networking, vpn security, routing. Learn how to configure a dynamic etherchannel using the ieee standard. The synology nas and the cisco switch both support lacp link aggregation control protocol. If this is the case manually creating an etherchannel is redundant and will lock the port group into specific manually configured ports rather than lacps dynamic assignment of ports. To download your version of cisco configuration professional, go to this url. Configuring etherchannel utilizing lacp free ccna workbook. I dont know why they have that separate command, maybe someone else can chime in why thats even there. Its possible, and quite common, that both ends are set to. Etherchannel is a port link aggregation technology or portchannel architecture used primarily on cisco switches.
Etherchannel can use 3 links, and etherchannel doesnt fill a link and move to the next. Cisco etherchannel computer skills flashcards quizlet. An etherchannel is a link aggregation technology whereby two switches are connected. Lacp port oper port port port flags priority dev id age key number state fa01 sa 32768 x. It is important to remember that both of these protocols pagb and lacp are link aggregation protocols only, their job is to make sure that. May 07, 2018 configuring layer three etherchannel posted on may 7, 2018 may 5, 2018 by ryan when you want more speed all you need is etherchannel, etherchannel can be configured as a layer three logical interface instead of just sitting at layer two. Free network scan cisco meraki cloud networking products webex meetings. Note that ether channel technology is general allows for multilink aggregation, redundancy and load balancing.
The etherchannel protocols allow ports with similar characteristics to form an etherchannel through dynamic negotiation with connected network devices. Pagp is a ciscoproprietary protocol and lacp is defined in ieee 802. Sep 09, 20 for additional information relating to configuring of etherchannel link aggregation with esxesxi and cisco hp switches, check out vmware knowledge base article sample configuration of. Lacp works in a similar way to pagp, only its multivendor or standard channeling protocol. I have two 2960 switches with switch a gigabit port connected switch b gigabit port. How to configure and verify etherchannels examcollection. To do this, it uses the cisco proprietary port aggregation protocol pagp with the channel mode desirable command or the ieee 802.
It is not constrained by the restriction of per module setting. I know that you can load balance layer 2 etherchannel by source and destination mac address. Etherchannel is the subject of our next exam topics discussion. Verify that interfaces fa010, fa011 and fa012 on sw1 formed a lacp etherchannel correctly. Etherchannel technologies and the various means available to implement them. Pagp is a cisco proprietary protocol while lacp is standard or multivendor as defined in ieee 802.
Increase network bandwidth using ciscos etherchannel. Lacp configuration examples part 6 michael mcnamara. Cisco configuration professional for catalyst ccpcatalyst. Span the etherchannel across several switches in a virtual stack configuration. In this way you can configure pagp in cisco switches. Catalyst 3560 software configuration guide, release 12. For example, a bundle of four switchports into one etherchannel would provide four times the bandwidth coming to. Where to download the cisco configuration professional software. Sample configuration of etherchannel lacp with esxi and cisco. Dec 22, 20 etherchannel cisco switches configuration using packet tracer version 6. You can use etherchannel guard to detect an etherchannel misconfiguration between the switch and a connected device. You can also configure lacp protocol in cisco switches for etherchannel. If this is the case manually creating an etherchannel is redundant and will lock the port group into specific manually configured ports rather than lacp s dynamic assignment of ports.1424 988 157 906 1064 894 88 1433 973 481 978 1086 566 1456 393 1030 25 513 455 447 1038 716 713 328 504 688 1561 1180 543 833 1222 696 841 795 1571 1097 431 295 960 1452 188 948 1418 850 76 191 1383