Cisco 3900 series, 2900 series, and 1900 series software configuration guide. 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. Etherchannel is the cisco term for the technology that enables the bonding of up to eight physical ethernet links into a single logical link. Bipin is a freelance network and system engineer with expertise on cisco, juniper, microsoft, vmware, and other technologies. This could be that there are some parameters not matching up such as duplex and speed. Port channel between cisco 3560 and extreme summit switch. Dont be afraid to use etherchannel on your cisco network. Pagp is a ciscoproprietary protocol that you can only run on cisco switches and on switches that are licensed vendors to support pagp. A maximum of 8 active ports are supported in a single etherchannel. If the ports are operating in full duplex, the maximum theoretical bandwidth supported is as follows.
Upon completion of this course, you will be prepared for the cisco certified network professional ccnp routing and switching certification exams 300101 route, 300115 switch, and 3005. Cisco has come up with their own proprietary version call etherchannel. I need to create a 4 link etherchannel between the cisco stack and the 2x hp switches. Best practices regarding etherchannel disclaimer the author of this posting offers the information contained within this posting without consideration and with the readers understanding that theres no implied or expressed suitability or fitness for any purpose. On cisco catalyst 6500 series switches running ios 15. Using live labs allow you to develop your practical it skills in a safe working environment without the need to invest in your own hardware and software.
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. Etherchannel configuration examples and technotes cisco. Our second switch is already configured up,so were just going to do our configuration here on dswitch1. Etherchannel vs spanningtree its not really etherchannel vs stp because stp still runs when you etherchannel. Get a better understanding on how ethernet operates and how to configure a cisco switch. With stacked switches etherchannel is the way to go because stp sees the etherchannel as a single logical link and you get even more redudancy because. Release notes for cisco configuration professional 2.
Aug 19, 20 etherchannel technology was invented in the early 1990s. Cisco certified entry networking technician 100105. You can create etherchannels by selecting multiple ports in the port configuration window and providing a portgroup number as applicable for. In this way you can configure lacp etherchannel in cisco switch. To change the parameters of all ports in an etherchannel, apply configuration commands to the portchannel interface such commands can be. Where to download the cisco configuration professional software.
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. Catalyst 4500 series switch software configuration guide. Below are the configurations in the cisco switch to create an ether. Feb 15, 2016 etherchannel guard is a way of finding out if one end of the etherchannel is not configured properly. It also provides guidelines, procedures, and configuration examples. Cisco configuration professional for catalyst ccpcatalyst.
Configuring etherchannel utilizing lacp free ccna workbook. Cisco switch etherchannel configuration lacp pagp in this article we will describe how to configure both lacp and pagp etherchannels on cisco switches. 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. Lets start the new year with understanding etherchannel which is having more than one link connected to a server, switch, or router and treating it like one logical link. You can configure an etherchannel in one of these modes. When setting up an etherchannel connection, remember the following points. Catalyst 4500 series switch cisco ios software configuration. Etherchannel supports fast, gigabit, and 10 gigabit ethernet ports. 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. Best practices regarding etherchannel cisco community. Interface fa0 and fa014 are both in use for this etherchannel.
Configuring etherchannel utilizing pagp free ccna workbook. Creating an etherchannel between hp procurve and cisco 3750 stack. Ethernet operation and switch configuration pluralsight. No related links or documentation file information. With stacked switches etherchannel is the way to go because stp sees the etherchannel as a single logical link and you get even more redudancy because it is spread across multiple physical switches. Software configuration guide, cisco ios release 15. Jul 29, 2010 to address cscsm25466, cisco ios images included with recent shipments of cisco 800, cisco 1800, cisco 2800, and cisco 3800 routers, enforce the onetime use of the default user name and password provided in the cisco cp configuration file. Creating an etherchannel between hp procurve and c. Configuring cisco lacp etherchannel derpy networking.
If you bypass cisco cp or cisco cp express and use a console or telnet connection to log into the router. Lacp is a link aggregation protocol that is defined by ieee 802. Configuration examples and technotes 7 feature guides 3 maintain and operate. To overcome this scenario, cisco switches are stacked to form one logical switch so that ports from the bundle can be evenly distributed across the switches to mitigate effects of a single switch failure. Ive got a 2x cisco 3750 switches in a stack and 2x hp procurve 2910al48g. Etherchannel technology was invented by kalpana in the early 1990s. In this course, stp and etherchannel operation and configuration, you will learn about creating redundant layer 2 networks with spanning tree protocol. Release notes for cisco configuration professional for. In this way you can configure pagp in cisco switches. The table is accurate for the general concepts of etherchannels that cisco wants you to understand. 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. Etherchannel technology was invented in the early 1990s.
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. This is a faulttolerant technique that is becoming a common setup in highly available, core devices. This lab will discuss and demonstrate the configuration and verification of lacp 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. Part of cisco networking allinone for dummies cheat sheet.
Configuring an etherchannel link free ccna workbook. Esx nic teaming and etherchannel of cisco vmware communities. Oct 12, 2015 in this way you can configure pagp in cisco switches. Esx nic teaming and etherchannel of cisco andy jan 11, 2009 12. As far as i can tell could be wrong, trunking accross different switches is not supported yet on the 2900 series. Catalyst 3750x and 3560x switch software configuration.
User guide for cisco configuration professional for catalyst 2960l smart managed switches, release 15. User guide for cisco configuration professional for. Etherchannel for the cisco cable modem termination system. Cisco configuration professional for catalyst cisco cpc is a graphical configuration application that offers simplified device configuration and management through a web user interface. Cisco 3900 series, 2900 series, and 1900 series software. Pagp is a cisco proprietary protocol that you can only run on cisco switches and on switches that are licensed vendors to support pagp. Etherchannel is a port link aggregation technology or portchannel architecture used primarily on cisco switches. 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. Instructor alright, so here we are in my environment.
You can use it to increase the bandwidth between the wiring closets and the data center, and you can deploy it anywhere in the network where bottlenecks are likely to occur. Etherchannel guard is a way of finding out if one end of the etherchannel is not configured properly. The channel protocol lacp is not absolutely needed it knows when you add channelgroup x mode active that it is lacp. You can configure etherchannels manually or use the port aggregation control protocol pagp or the. Dec 22, 20 etherchannel cisco switches configuration using packet tracer version 6. Once youve passed the ccent, your next step toward cisco certification and a career in it is the ccna. I dont know why they have that separate command, maybe someone else can chime in why thats even there. Part 2 dives into the actual details of the protocols and how to configure them on your devices. How to configure and verify etherchannels ether channels are designed to provide the fault tolerant high capacity links between servers, routers and switches. 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. An etherchannel provides a method of aggregating multiple ethernet links into a single logical channel. Enduser guides 6 maintain and operate guides 2 troubleshoot and alerts. By configuring etherchannel, we are bundling multiple physical connections between two or more cisco switches into one logically link.
Cisco configuration professional for catalyst is software that provides users an easytouse and intuitive graphical interface to configure, manage, and monitor a standalone, stack, or cluster of cisco catalyst switches. About etherchannel configure with fru 00e1854 aix forum forum. You can also configure lacp protocol in cisco switches for etherchannel. Perform these steps to configure the etherchannel feature on cisco 1900, 2900 and 3900 series isrs.
Cisco configuration professional for catalyst data sheet cisco. 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. Etherchannel bonding portchannel network redundancy. When there is a misconfiguration found, the switch will place the interfaces in errordisabled.
Having said that, you have to create 2 different etherchannels on the cisco side and one trunk on each procurve. Working with the cisco ios file system, configuration files, and software images. Below is my intent, but i read somewhere that, the port channel cannot span chassis which means that in order for that etherchannel to work, they need to be going to the same location and you are not able to split up the etherchannel. This lab will discuss and demonstrate the configuration and verification of pagp etherchannel. Etherchannel allows you to take up to eight network ports on your switch and treat them as a single larger link. Nov, 2014 an etherchannel provides a method of aggregating multiple ethernet links into a single logical channel. In this course, ethernet operation and switch configuration, youll learn some network interface layer protocols but focus your attention on ethernet and ethernet switching. Port aggregation protocol pagp, link aggregation control protocol lacp, or on.
Cisco ios cmts software configuration guide etherchannel. The hp switches have a 10gbs backpane link between them. 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. Etherchannel provides faulttolerant highspeed links between switches, routers, and servers. Jan 04, 2012 lets start the new year with understanding etherchannel which is having more than one link connected to a server, switch, or router and treating it like one logical link. Note this chapter describes how to configure etherchannels on the catalyst 2960 and 2960s switches. Use the show etherchannel portchannel command to check if the portchannel is active or not. Users can create etherchannels by selecting multiple ports in the port configuration window and.
Cross stack etherchannel between 2 stacks is it possible. Catalyst 2960 and 2960s software configuration guide, 12. Part 1 defines what etherchannel is and cases for using it in your networks from a nontechnical perspective. Etherchannel between a cisco catalyst switch that runs cisco ios and a workstation or server configuration example 09aug2007 etherchannel between catalyst 355035603750 series switches and catalyst switches running cisco ios system software configuration example 25sep2008. Etherchannel negotiation an etherchannel can be established using one of three mechanisms. Ciscos implementation of port aggregation is called etherchannel. Note that ether channel technology is general allows for multilink aggregation, redundancy and load balancing. To address cscsm25466, cisco ios images included with recent shipments of cisco 800, cisco 1800, cisco 2800, and cisco 3800 routers, enforce the onetime use of the default user name and password provided in the cisco cp configuration file. Lacp works in a similar way to pagp, only its multivendor or standard channeling protocol. Understanding how ethernet works in an enterprise environment is one of the most common skills required by a network engineer.
Within this article we will provide the steps required to create an etherchannel link on the cisco asa along with providing the main troubleshootingshow commands. This is what i have on the cisco side for the port channel config so far. And also created a trunk trk2 on both the switches. Nov 08, 2011 in this video, anthony sequeira walks students through the ccie labsafe configuration of etherchannels. Etherchannel configuration on cisco switch learn linux. In this video, anthony sequeira walks students through the ccie labsafe configuration of etherchannels.
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