File locations on an english windows 7 for the testuser user. Lab configuring etherchannel topology addressing table device interface ip address subnet mask. Etherchannel is a feature used to group multiple parallel links into one single logical interface. Other devices in the network will see the vss configured switches as a single switch, which allows the engineer the ability to create multi chassis. Etherchannel load balancing can use mac addresses, ip addresses, or layer 4 port numbers with a policy feature card 2 pfc2 and either source mode, destination mode, or both. We have 5 mode of setting up etherchannel 5 modes for etherchannel active and passive for lacp active it initiates. You must complete the prerequisites before this verification can be successful. For example, to use the acrobat plugin within the browser, choose use adobe acrobat in firefox. Now with etherchannel, we have a totallydifferent story. Below are the configurations in the cisco switch to create an ether channel across two ports.
Etherchannel configuration demo linkedin learning, formerly. The idea is to bundle fastethernet 0 and 014 into an etherchannel but this is not working. The etherchannel protocols allow ports with similar characteristics to form an etherchannel through dynamic negotiation with connected network devices. In aix, there are basically three types of etherchannel adapters that can be configured. Our second switch is already configured up,so were just going to do our configuration here on dswitch1. Configuring etherchannels, page 117 verifying portchannel configuration, page 1112 information about etherchannels an etherchannel bundles up to eight individual interfaces into a group to provide increased bandwidth and redundancy. With etherchannel, we actually can use both ofthose links, and then we can aggregate, we can get200 megabits per second if were using cat5e. Keep in mind that the configuration of all physical interfaces has to match. Etherchannel technique is known as nic teaming in windows and ethernet bridging in linux. Welcome etherchannel is a tool that is used on the network to increase your bandwidth. Do not be afraid to enable it on a pair of ports and try it. Jan 14, 2019 aix etherchannel pdf posted on january 14, 2019 by admin dear experts, i want to make etherchannel with 4 nic port in aix lpars.
Etherchannel configuration with example icnd2 200105. If negotiations fail, the etherchannel will not pass traffic. The choice of commands available are different more or less based on l2 or l3 state of the ports and yes, no switchport command will do that for you. The channel protocol lacp is not absolutely needed it knows when you add channelgroup x mode active that it is lacp. Once youve passed the ccent, your next step toward cisco certification and a career in it is the ccna. By configuring etherchannel, we are bundling multiple physical connections between two or more cisco switches into one logically link.
Configuring an etherchannel link free ccna workbook. How to configure etherchannel link aggregation control. Understanding etherchannel load balancing and redundancy on. The logical port, with the combined capacity of the individual ports, is then used to carry layer two frames or layer three packets, depending on the configuration. Manual etherchannel configuration in cisco switches using. The mode you select applies to all etherchannels that you configure on the switch. Download the files the instructor uses to teach the course. This command displays the type of etherchannel, the ports utilized, and port states. Etherchannel is a port aggregation feature that allows for the bonding together of two or more switch ports into a logical interface. Oct 12, 2015 also, better to remove existing configuration from physical interface because mismatch in configurations may not allow to form an etherchannel. Cisco 3900 series, cisco 2900 series, and cisco 1900 series integrated services routers generation 2 software configuration guide chapter configuring etherchannel restrictions and guidelines for etherchannel feature configuring etherchannel. For example, a cisco switch requires etherchannel for modes 0, 2, and 3, but for mode 4 lacp and etherchannel are required. If the etherchannel does not come up, shut down the physical interfaces on both ends of the etherchannel and then bring them back up again.
The configuration files support different types of encoding. Etherchannel has been a part of the cisco ios for many years, so you should find that all your switches support it with proper configuration. Nov 06, 2010 manual channel configuration without using any form of negotiation. Other bonding modes require configuring the switch to aggregate the links.
The command channelgroup 1 mode active means the physical interfaces fa01 and fa02 will be member of logical etherchannel interface portchannel 1 and the physical ports will actively try to negotiate with remote switch ports to form lacp etherchannel interface. Basic vss pair configuration virtual switching system vss allows two cisco catalyst 6500 or 4500 switches to be connected together so that they appear to the network as a single switch. Now i am going to configure ether channel and for this we need atleast two ethernet ports. An etherchannel can be created from between two and eight active fast, gigabit or 10. May 27, 2014 in this video i show you a simple configuraton of etherchannel using 2 switch.
This company was acquired by cisco systems in 1994. The first switch sw1 will be active mode and sw2 will be in passive mode. File locations on an english windows 10 for the jr user. Understanding etherchannel the process used to bundle ports together in an ethernet switch to achieve higher bandwidth is known as etherchannel or link aggregation. If a port cannot be actively included in a channel, it is not included automatically if a channelled port fails. Hi cpqarray, thanks for the explanation about the static and dynamic aspects of 802. Using the previous commands, configure the link between s1 and s2 on ports g01 and g02 as an lacp etherchannel. In this lesson well take a look at some common issues with etherchannels. Etherchannel allows us to group several practically eight physical ethernet links on a cisco switch into one logical link. Manually dynamically, using an aggregation protocol to manually configure two ports to join an etherchannel.
Manual channel configuration without using any form of negotiation. Connect to the commandline interface cli your switch. Jul 30, 20 furthermore, pagp andor lacp configuration must be removed from a switchs interfaces before a manual etherchannel can be formed. Because all that information you type in portchannel configuration mode will be automatically copied to those main physical interfaces.
Etherchannel between a cisco switch and server 2012. Etherchannel is a port link aggregation technology or portchannel architecture used primarily on cisco switches. To change the parameters of all ports in an etherchannel. L3 etherchannel configuration solutions experts exchange. An etherchannel comprising access ports provides increased bandwidth and redundancy to a host device, such as a server. What it does, it actually tricks spanning tree into thinking that youre one. May 04, 2008 hi cpqarray, thanks for the explanation about the static and dynamic aspects of 802. Use the show etherchannel portchannel command to check if the portchannel is active or not. Etherchannel bonding portchannel network redundancy. Click the action column next to portable document format pdf, and then select an application to open the pdf. 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. After you configure an etherchannel, the configuration that you apply to the port channel interface affects the etherchannel. As part of my studies for the bcmsn exam, i have been trying to configure etherchannel on a 3550 emi switch and keep recieving the following message.
Etherchannel configuration visual topology command list command description channelgroup id mode active configures an interface as etherchannel bundle members using lacp in active mode. Verify that interfaces fa010, fa011 and fa012 on sw1 formed a pagp etherchannel correctly. Etherchannel configuration on cisco switch learn linux ccna. Lacp belongs to the ieee standard, technically explains as 802. Stp and etherchannel operation and configuration ebook. Etherchannels can be used to enhance the bandwidth between data centre and wiring closets, you can also apply it anywhere in network where the bottlenecks can possibly occur. Configuring etherchannel utilizing lacp free ccna workbook. Interface fa0 and fa014 are both in use for this etherchannel.
Channelgroup id mode passive configures an interface as etherchannel bundle members using lacp in passive mode. Jul 29, 2018 configuring etherchannel on a cisco switch. When setting up an etherchannel connection, remember the following points. Etherchannel provides faulttolerant highspeed links between switches, routers, and servers. Assign the ip addresses used in the visual topology diagram for this exercise. You must use a different port channel number on s1 than 1, because you already used that in the previous step. Etherchannel manual configuration there are two methods of configuring an etherchannel. Also, better to remove existing configuration from physical interface because mismatch in configurations may not allow to form an etherchannel.
Etherchannel configuration overview you can configure etherchannels manually, use the port aggregation control protocol pagp or, with cisco ios release 12. Assume physical interfaces gi00 up to gi03 will be used to form an etherchannel. Ethernet cables at least 2, depends on configuration objective use lacp link aggregation control protocol, 802. Etherchannel configuration overview you can configure etherchannels manually or you can use the port aggregation control protocol pagp or the link aggregation control protocol lacp to form etherchannels.
Moreover, its better to configure the resulting portchannel logical interface as trunk in order to allow vlans to pass between the switches. Etherchannel configuration on cisco switch learn linux. Nov 26, 2017 etherchannel is a feature used to group multiple parallel links into one single logical interface. File locations on an english windows xp for the administrator user. The activebackup, balancetlb and balancealb modes do not require any specific configuration of the switch. This command when executed in interface configuration mode sets the channelgroup number and lacp mode to listen for lacp packets but not aggressively and unconditionally form an etherchannel using lacp. Lab configuring etherchannel topology addressing table device interface ip address subnet mask s1 vlan 99 192. Enable switchports fa01, fa03 and fa04 all other switchports should be shutdown. First define the ether channel load balancing algorithm used. How to configure and verify etherchannels ether channels are designed to provide the fault tolerant high capacity links between servers, routers and switches. Configuring etherchannel utilizing pagp free ccna workbook. Furthermore, pagp andor lacp configuration must be removed from a switchs interfaces before a manual etherchannel can be formed.
One place to go to verify your etherchannel bundle is on the switch. Mp4, avc, 1280x720, 30 fps english, aac, 2 ch 2h 47m 468 mbinstructor. In this video i show you a simple configuraton of etherchannel using 2 switch. Under global configuration mode define the load balancing algorithm. Jan 19, 2018 etherchannel is a port aggregation feature that allows for the bonding together of two or more switch ports into a logical interface. The icnd2 exam validates a candidates ability to install, configure, operate, and. Chapter 7 configuring etherchannel on a cisco switch. Instructor alright, so here we are in my environment. After you configure an etherchannel, the configuration that you apply to the portchannel interface affects the etherchannel. Ether channels can be formed with either access or trunk ports. Once completely correctly r1 should ping r2 by traversing the etherchannel.
Physical topology diagram visual topology command list task 1. About etherchannel configure with fru 00e1854 aix forum. Verify the operation of the etherchannel trunk link by verifying ip communication between r1 and r2 using the ping command. Follow along and learn by watching, listening and practicing. The catalyst l2 fixed configuration switches include the 29003500xl, 2940, 29502955, and 2970 switches. Ross bagurdes providing redundant layer 2 networks is important in order to provide a resilient and reliable network. So they should all match in the end, but the configuration is done at the portchannel mode. Issue the show etherchannel summary command to verify that etherchannel is working on both switches. We have 5 mode of setting up etherchannel 5 modes for etherchannel active and passive for lacp active it. Etherchannel is the port link aggregation technology invented by a company named kalpana. Configure browser to use the adobe pdf plugin to open. To configure port channel 2 as lacp, use the interface configuration mode channelgroup 2. Configure the etherchannel between sw1 and sw2 to use destination mac address loadbalancing.
Lets look at the first issue wrong etherchannel mode. This is great for stp redundancy because stp will only need to reconverge if all links within the. The how to master series helps you to understand complex topics like spanningtree, vlans, trunks, ospf, eigrp, bgp and more. The functioning of link aggregation protocol is similar to port aggregation protocol along with ethernetchannel because it applies to multiple owner environments and it works on cisco devices as well. Catalyst 2950 and catalyst 2955 switch software configuration guide 7818009 31 configuring etherchannels this chapter describes how to configure etherchannel on the layer 2 interfaces of a catalyst 2950 or catalyst 2955 switch.
Copy the running configuration to startup configuration. Chapter 19 configuring etherchannel etherchannel configuration guidelines and restrictions lacp tries to configure the maximum number of compatible ports in an etherchannel up to the maximum allowed by the hardware eight ports. Sw1 should actively try to form an etherchannel and sw3 should only respond to requests. To see if etherchannel is workingto see as one logical link 1. Select portable document format pdf from the content type column. Use the option that provides the greatest variety in your configuration. In a conventional network where stp blocks one link to avoid switching loops, etherchannel forces stp to see both paths or bundled as one logical link while avoiding. Use the interface range command to speed up the process. Ccna icnd2 essential training covers the second part of the exam that networking candidates need to take to earn their cisco certified network associate routing and switching ccna rs certification.
To verify your configuration you can use either the show etherchannel summary or show etherchannel detail command in user or privileged mode as shown below. Link aggregation can be useful when interconnecting switches together and when interconnecting other devices to a switch, e. Perform these steps to configure the etherchannel feature on cisco 1900, 2900 and 3900 series isrs. On by default sh etherchannel sh etherchannel 1 detail.
381 724 72 864 245 1163 357 1489 935 1201 1031 181 217 849 766 1496 539 287 2 883 920 63 1459 1171 1361 860 882 237 151 1065 1304 824 768 732 107 757 1114 1223 1061 874 241 323 1420 1357 649 462 1131 175