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Cisco CCNP / BCMSN Examination Tutorial: Changing The Active Router In HSRP

To pass the BCMSN Test and receive your CCNP certification, you’ve got to find out HSRP inside of and out. Although the operation and basic commands of HSRP are fairly simple, usually there are some essential details which might be simply overlooked but are crucial in getting HSRP to work just how you would like it to. Permit’s Examine utilizing the precedence command the right way on the two the Test and in production networks.

A important worth from the show standby command will be the precedence. The default is one hundred, as well as router with the highest priority will be the Most important HSRP router. We’ll elevate the default precedence on R2 and see the final results. R3 is presently the Active router and R2 the standby, so let’s elevate http://www.bbc.co.uk/search?q=토토사이트 the precedence on R2 and find out what transpires.

R2(config)#interface ethernet0

R2(config-if)#standby 5 priority a hundred and fifty

R2#present standby

Ethernet0 – Team 5

Neighborhood point out is Standby, priority 150

Hellotime 4 sec, holdtime twelve sec

Following howdy sent in 0.896

Virtual IP handle is 172.twelve.23.ten configured

Active router is 172.12.23.three, priority a hundred expires in eight.072

Standby router is neighborhood

1 point out modifications, previous state modify 00:14:24

R2 now has a better priority, but R3 remains to be the active router. R2 안전공원 is not going to acquire about as being the HSRP Main right up until R3 goes down – Or perhaps the preempt solution is configured on R2.

R2(config-if)#standby 5 precedence 150 preempt

image

1d11h: %STANDBY-6-STATECHANGE: Ethernet0 Team 5 state Standby -> Active

Area point out is Energetic, priority 150, may possibly preempt

Subsequent hi there despatched in one.844

Lively router is area

Standby router is 172.twelve.23.three expires in ten.204

Digital mac deal with is 0000.0c07.ac05

2 condition changes, last condition transform 00:00:13

In just a couple seconds, a message seems the area condition has transformed from standby to active. Show standby confirms that R2, the neighborhood router, is currently the Lively router – the primary. R3 is currently the standby. So if everyone lets you know that you've got to have a router all the way down to alter the Lively router, they’re Completely wrong – you only really have to use the preempt possibility about the standby precedence command.

Another vital Portion of HSRP configurations is recognizing how to change the MAC address of your Digital router, in addition to interface tracking. We’ll evaluate People options in the following A part of my HSRP tutorial!