- Hot Standby Router Protocol (HSRP)
- Question 111 which one of these is a valid hsrp
- CCNA Training » CCNA – HSRP VRRP GLBP
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- HSRP Settings
Encapsulated in UDP packets, port number Encapsulated in IP packets. Default interval for sending Hello messages. Sending interval: 3s , timeout interval: 9s. Sending interval: 1s , timeout interval: 3s. Association with an interface. Protocol state machine.squanrihasalhigh.ga/teoras-del-aprendizaje.php
Hot Standby Router Protocol (HSRP)
Initialize, Master, Backup. HSRP Command. VRRP Command. Configure a standby group.
Configure the priority for a standby group. Configure the preemption mode. Configure the Hello message timer. Display the configuration of a standby group. Configure association with interfaces. Networking Requirements. In Figure , Cisco switches are deployed. Two core switches constitute a stack. Two aggregation switches establish an Eth-Trunk in manual load balancing mode, and also establish OSPF neighbor relationships with core switches to receive and transmit routes.
HSRP is used to implement virtual gateway backup. CiscoA is the master gateway and CiscoB is the backup gateway. Huawei S series switches are used to replace two aggregation switches in the networking without changing the original network planning.
Question 111 which one of these is a valid hsrp
Configuration Roadmap. Configure link aggregation in manual load balancing mode between Huawei S series switches to load balance traffic. Configure Huawei S series switches to achieve interworking with other Cisco switches to prevent loops. Configure service forwarding functions for the Huawei S series switches by following the original network planning. Configure IP addresses for the core switches' downlink interfaces, and configure IP addresses and loopback addresses for the S series switches' uplink interfaces. Figure VRRP replacement step 1.
Enable the interfaces on HuaweiA to complete migration. Figure VRRP replacement step 2. Configuration Files. HuaweiB configuration file. HuaweiA configuration file.
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- Question 111 which one of these is a valid hsrp?
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Configures cleartext authentication for HSRP on this interface. You can use a key chain or key string. If you use a key string, you can optionally set the timeout for when HSRP only accepts a new key. The range is from 0 to seconds.
CCNA Training » CCNA – HSRP VRRP GLBP
You can configure an HSRP g roup to adjust its priority based on the availability of other interfaces or routes. The priority of a device can change dynamically if it has been configured for object tracking and the object that is being tracked goes down. The tracking process periodically polls the tracked objects and notes any value change. The value change triggers HSRP to recalculate the priority. Optional show hsrp interface interface-type number.
Configures the interface that this HSRP interface tracks.
Changes in the state of the interface affect the priority of this HSRP interface as follows:. Creates a tracked object for a route and enters tracking configuration mode. The object-id range is from 1 to Sets the priority level used to select the active router in an HSRP group. The range is from 0 to The default is Specifies an object to be tracked that affects the weighting of an HSRP interface. The value argument specifies a reduction in the priority of an HSRP interface when a tracked object fails.
The range is from 1 to Configures the router to take over as the active router for an HSRP group if it has a higher priority than the current active router. This command is disabled by default. You can configure the HSRP priority on an interface. To configure the HSRP priority, use the following command in interface configuration mode:. The level range is from 0 to Optionally, sets the upper and lower threshold values used by vPC to determine when to fail over to the vPC trunk.
The lower-value range is from 1 to The default is 1.
The upper-value range is from 1 to You can optionally customize the behavior of HSRP. If you first enable an HSRP group before customizing HSRP, the router could take control over the group and become the active router before you finish customizing the feature. The string is from 1 to characters.
The default string has the following format:. Configures the router to take over as an active router for an HSRP group if it has a higher priority than the current active router. Configures the hello and hold time for this HSRP member as follows:. The optional msec keyword specifies that the argument is expressed in milliseconds instead of the default seconds. The timer ranges for milliseconds are as follows:. To customize HSRP, use the following commands in interface configuration mode:. Specifies the minimum amount of time that HSRP waits after a group is enabled before participating in the group.
The default is 0. Specifies the minimum amount of time that HSRP waits after reload before participating in the group. Note You must configure extended hold timers on all HSRP routers if you configure extended hold timers. This statement does not apply to HSRPv2. To configure HSRP extended hold timers, use the following command in global configuration mode:. The timer range is from 10 to Use the show hsrp command or the show running-config hsrp command to display the extended hold time.
To display HSRP configu ration information, perform one of the following tasks:. Displays the HSRP status for all groups or one group. Displays the HSRP delay value for all interfaces or one interface. Displays the HSRP status for a group or interface for virtual forwarders in the active, init, learn, listen, or standby state. Use the all keyword to see all states, including disabled.
Displays a brief summary of the HSRP status for a group or interface for virtual forwarders in the active, init, learn, listen, or standby state. This example shows how to configure the HSRP priority on an interface:. For additional information related to implementing HSRP, see the following sections:.
Configuring the Virtual Router Redundancy protocol. Table lists the release history for this feature. Added support for BFD. Added support for extended hold timers for extended NSF support. Skip to content Skip to footer. Book Contents Book Contents. Find Matches in This Book. PDF - Complete Book 5.
Updated: March 16, The virtual IP is configured as default gateway of all the hosts in the local subnet and the active router is responsible for forwarding the traffic of local hosts. If the active router goes down then the hello messages are not exchanged between the active and the standby routers therefore the standby router waits until the hold down timer time. As soon as the hold down time is finished, the standby router will become the active router and takes up all the responsibilities of active router.
This is known as preempt.
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If in case the original active router comes back then we can decrease the priority of the standby router so that it will become the standby router again. This version allows group number range from 0 to Consider above given topology. There are 2 routers named R1 and R2. Also, preempt has been enabled i.
Now, we will provide virtual IP address Also, group number 1 and preempt has been enabled. Note : As we have provided priority to r1, therefore it will become the active router.