Hot standby router protocol configuration on cisco router. Hsrp, this is the first redundancy protocolthat were going to go ahead and speak about. Marketplace configure a small network with hsrp and ospf gns3. Hi i have a layer 2 topology with just core to access i have 2 cores ie core1core2 running hsrp and ospf. This tutorial explains how to configure ospf routing protocol step by step with practical example in packet tracer. Each uplink router connects to one distribution layer router r3 and r4. By default, hsrp sends 3 garps, at 0, 2, and 4 seconds after the router becomes the forwarding gateway. Ospf support for forwarding adjacencies over mpls te tunnels.
Once youve passed the ccent, your next step toward cisco certification and a career in it is the ccna. How to configure hsrp on cisco router step by step youtube. Cisco ccna implementing and administering cisco solutions. Configuring hsrp on gns3 and cisco iou part 3 youtube.
Configure the first router as follows, with two hsrp. Ospf ipv4 remote loopfree alternate ip fast reroute. Oct 21, 2007 hi i have a layer 2 topology with just core to access i have 2 cores ie core1core2 running hsrp and ospf. In this article i will explain you what is hsrp hot standby router protocol and how to configure and use it. Paul browning is the author of amazon best selling books cisco ccna simplified and ccna in 60 days.
Learn ospf configuration commands, ospf show commands, ospf network configuration process id, network id, wild card mask and area number and ospf routing in detail. The ospf dynamic routing protocol is probably the most popular lan routing protocol today. 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. The production switch has a bunch of static routes, some of which are being redistributed into ospf. Hot standby router protocol hsrp is a cisco proprietary protocol, which provides redundancy for a local subnet. Lets start with all network commands to get ospf up and running. Catalyst 3560 software configuration guide, release.
Im configuring two cisco 6509 switches to run hsrp. Hot standby router protocol hsrp for ipv6 provides routing redundancy for routing ipv6 traffic not dependent on the availability of. Mar 29, 2011 bgp accesslist 101 permit tcp any host 192. I was doing lab to test hsrp with ospf in packet tracer and noticed weird thing if i shutdown active hsrp node router connected to hsrp l3. Aug 16, 2016 hi everyone in this video i want to show u about how to configure hrsp on cisco router and easy to understand. Hsrp, as well as virtual route redundancy protocol vrrp are considered highavailability network services that allow for almost immediate fail over to a secondary. Hsrp provides high network availability by providing firsthop routing redundancy for ip hosts on networks configured with a default gateway ip address. An overview of hsrp the hot standby router protocol hsrp is a cisco protocol which, as detailed in rfc 2281, allows multiple client gateways to be configured as one virtual router. The switches have vlan interface ip addresses on them. To answer to some of the questionsyes it is ospf between the routers and the switches. He started teaching it courses in 2002 after leaving cisco systems and went on to create several successful online training companies and study guides paul can explain difficult subjects in an easytounderstand way which has made his classroom and online courses extremely popular. The network command defines to which area each interface will belong. Mpls configuration on cisco ios software is a complete and detailed resource to the configuration of multiprotocol label switching mpls networks and associated features.
First, we will configure r1 and r2 for the backbone area. To intermediate system isis, and open shortest path first ospf. 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. Aug 14, 2015 in this video i configured trunking and etherchannel in our topology. Configuring hsrp with ospfstatic routes solutions experts. This vulnerability could allow an unauthenticated, remote attacker to take full control of the ospf autonomous system as domain routing table, allowing the attacker to intercept or blackhole traffic. Hsrp vs vrrp vs glbp redundancy protocols in this article we will discuss the similarities and differences between the 3 first hop redundancy protocols supported by cisco devices. All ospf areas must have a direct connection with area 0.
The original vrrp does not support ipv6 but you need a special version of vrrpv3 for this. Note that only the commands specific to hsrp are shown in this example. Hsrp hot standby routing protocol in packet tracer 6. Configure ospf on the interfaces where adjacencies need to be established.
In the next video i will continue to finish the last video in the series. This chapter describes how to use hot standby router protocol hsrp on the catalyst 3750x or 3560x switch to provide routing redundancy for routing ip traffic without being dependent on the availability of any single router. Each chapter ends with practice exams and several full labs where you configure complex technologies and test your configurations. If the software senses a problem with the wan circuit. Konfigurasi hsrp di cisco packet tracer training ccna. This address will serve as the default gateway address for all hosts on the lan. I have a network, consisting of 2 7304s internet routers and 2 3560s that sit directly behind them. As we know already its cisco proprietaryand unfortunately its one of the slowest. A brief overview of hsrp and vrrp and their configuration on cisco routers. Catalyst 2960x, catalyst 3560 trunk port configuration example to carry the different vlan tags between two devices on the same physical link. On the design of campus networks for high availability. Open shortest path first ospf router roles and configuration.
Dmvpn phase 1 single hub ospf spoke example dmvpn phase 2 single hub. Each site has a tunnel interface from its local site to the remote site over the mpls. Looking at the cisco documentation for hsrp ipv6 configuration i noticed the use of standby 1 ipv6 autoconfig. Open shortest path first configuration in cisco packet tracer. The icnd2 exam validates a candidates ability to install, configure, operate, and. As you see in the illustration before youyou have two routers, one being the active routerbecause were speaking of hsrp,and one being. The ospf config that you use on a switch that is not running hsrp is exactly the same config if the switch is running hsrp. Rtra will be configured as the active hsrp router by setting a higher hsrp priority. Hot standby router protocol hsrp for ipv6 provides routing redundancy for routing ipv6 traffic not dependent on the availability of any single router.
Ospfopen shortest path first configuration in cisco. I will explain all hsrp commands along with hsrp metrics and configuration in few simple steps. Hi expert, we would like to mix the ospf and hsrp to provide a better service to custemers. This allows you to use your network resources more efficiently, but it is slightly more complicated to configure. Note though that this depends on your hardware and software combination, not all hsrp implementations offer this. If you have no idea what a virtual gateway is then read my introduction to gateway redundancy first. Network model configuration diagram implemented with packet tracer. First hop redundancy protocols configuration guide, cisco ios xe fuji 16. The tunnel interfaces are mirrored on each of the 2911 pairs where source ip is the local virtual ip and destination ip is the remote virtual ip. I just want to confirm that this is correct design in regards to ospf cost.
We talked about ospf basics and made an ospf configuration for beginners on our course. Multiple cisco products ospf lsa manipulation vulnerability. This stateoftheart, interactive simulation software enables you to practice your networking skills with almost 400 structured labs designed to help you. Hsrp is setup on a couple of vlans between the 2 3560s that are all part of the network bein. Hsrp is independent of routing in terms of failover unless your using ip sla and tracking routes upstream but your hsrp switches should be same default gateway or same routing as each other so they can take over without any issuesinterruptions to the network. Hello i have a network, consisting of 2 7304s internet routers and 2 3560s that sit directly behind them.
I will show you how to configure intervlan routing. Cisco ccna routing and switching 200120 network simulator helps you develop and improve handson configuration and troubleshooting skills without the investment in expensive lab hardware. Hsrp version 1 devices use the multicast ip address 224. Cisco ccna implementing and administering cisco solutions this course is packed with 45 minilabs where you can follow along with your instructor and really understand the theory. Note failure on an access switch because of supervisor failure or a software crash in the above. Also i would recommend to look at the hsrp and vrrp lessons before you continue with glbp one of the key differences of glbp is that it can do load. For now, we wanted to give you a good foundation for the configuration of hsrp on a cisco router. How to configure cisco meraki devices and features. Unless otherwise noted, the term switch refers to a catalyst 3750x or 3560x standalone switch and to a catalyst 3750x switch stack. Acl for hsrp, bgp, ospf, vrrp, glbp cisco ios x443. Sep 11, 2018 catalyst 3750x and 3560x switch software configuration guide, release 12. Because of this many new network engineers can misconfigure ospf.
You will learn all configurations that you need to pass the ccnp exams with our professional questions. In hsrp, two or more routers gives an illusion of a virtual router. Hsrp configuration on cisco router using cisco packet tracer. Hot standby router protocol hsrp is proprietarycisco. High availability campus recovery analysis design guide cisco. The hot standby router protocol hsrp is a first hop redundancy. Through its practical, handson approach, youll become familiar with mpls technologies and their configurations using cisco ios software.
Also, id like to know if there are any sample config for hsrp with ospf because i have never done it. Hsrp configuration issues like standby groups and virtual ips not matching on the hsrp routers. Jun 22, 2017 in this article we will make an example for advanced ospf configuration. This virtual router is configured with a single ip address which is shared among the group along with a virtual mac address. When configuring both spanning tree and hsrp on a segment, it is best practice to make the root bridge and hsrp active router the same device. One of the switches is currently in production, i will be adding a second switch and then will configure hsrp on both. X, ip base, ip services, lan base, lan light platform. To configure router 1 as active hsrp router follow commands bellow. Multiple cisco products are affected by a vulnerability involving the open shortest path first ospf routing protocol link state advertisement lsa database. For an example of hsrp configuration on gdm, see the gdm configuration example section.
For more information about hsrp configuration, see the cisco ios ip configuration guide, and cisco ios ip command reference, volume 1 of 3. Through its practical, handson approach, youll become familiar with mpls technologies. Hsrp configuration on cisco ios hot standby routing protocol. When in operation, hsrp devices are configured into one of many states. This means that if the tracked interface of the active. Ospf basic configuration ospf basic configuration pearson. The link between the 2 switches is a single fibre trunk.
Hsrp configuration on cisco router using cisco packet. The virgin routers are in an active and standby state. Mpls configuration on cisco ios software cisco press. There is much more to hsrp then this article covers including.
These are hot standby router protocol hsrp, virtual router redundancy protocol vrrp and gateway load balancing protocol glbp. Hot standby routing protocol or hsrp, is a cisco proprietary protocol that allows two or more routers to work together to represent a single ip address for a particular network. Buat topologi seperti ini, untuk yang bingung membuat topologinya bisa didownload di bawah. Ospf can scale to the largest lans but can also start out small. Glbp stands for gateway load balancing protocol and just like hsrp vrrp it is used to create a virtual gateway that you can use for hosts. Loadbalancing with hsrp first hop redundancy protocols. Basic configuration of hot standby routing protocol and the differences between hsrp v1 and v2. First hop redundancy protocols configuration guide, cisco ios. Hsrp version 2 devices use the multicast ip address 224. The hot standby router protocol hsrp is a first hop redundancy protocol fhrp designed to allow for transparent failover of the firsthop ip device. Figure 51 shows the network topology for the configuration that follows, which shows how to configure hsrp using the commands covered in this chapter. The router ospf processid command is the beginning of any cisco ios ospf configuration. Now it is time to go deep and combine virtual link, lsa types and etc.
The first step is to gain access to the cisco device and access global configuration mode. If the link between the switches is down then the only way for the router to send traffic to the standby switch is via the other router but your traceroute does not. Understanding ospf areas ingrid belosa december 12, 2014 configuration tips 1 comment whether you are preparing for the cisco ip routing exam or you are an experienced network engineer planning to implement the open shortest path first ospf routing protocol, you should familiarize yourself with the capability to divide your network into. Vrrphsrp with ospf hello i think it depends on your configuration how these routes are being received, i would possibly suggest from the wan rtr advertise a default into area 0 and apply passive interface to all but the the interfaces connecting the ospf areas on the cores. One of ospfs biggest disadvantages is that its configuration can become quite complex.
Catalyst 3750x and 3560x switch software configuration. This section describes some of the basic commands that you can use to implement hsrp on gdm. For more configuration procedures, see the implementing eigrp for ipv6 chapter in the cisco ios ipv6 configuration library on cisco. Ccna routing and switching 200120 network simulator. Design and simulate hsrp protocol based network on packet tracer. Mar 18, 2019 ospf routing protocol configuration sghaier chaaabani. However, there is a configuration parameter that allows you to choose the number of garps including infinite and the interval. Hsrp can only be configured on a layer 3 interface including svis, routed interfaces, and l3 etherchannels.
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