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Cisco CCNP / BCMSN Examination Tutorial: Switching The Energetic Router In HSRP

To go the BCMSN Test and gain your CCNP certification, you’ve acquired to grasp HSRP within and out. Even though the Procedure and fundamental instructions of HSRP are fairly basic, there are several important aspects that happen to be effortlessly missed but are essential in receiving HSRP to operate how you'd like it to. Enable’s Check out utilizing the priority command properly on both the exam and in production networks.

A key price within the clearly show standby command would be the precedence. The default is 100, along with the router with the very best priority would be the Key HSRP router. We’ll elevate the default priority on R2 and find out the outcome. R3 is now the Energetic router and R2 the standby, so let’s increase the precedence on R2 and see what happens.

R2(config)#interface ethernet0

R2(config-if)#standby 5 precedence 150

R2#display standby

Ethernet0 – Group 5

Neighborhood point out is Standby, priority one hundred fifty

Hellotime 4 sec, holdtime twelve sec

Upcoming hello there sent in 0.896

Virtual IP deal with is 172.twelve.23.ten configured

Lively router is 172.12.23.3, priority a hundred expires in eight.072

image

Standby router is community

one condition alterations, past point out change 00:fourteen:24

R2 now has a better priority, but R3 remains the Energetic router. R2 will never consider more than because the 안전놀이터 HSRP Major until finally R3 goes down – Or even the preempt solution is configured on R2.

R2(config-if)#standby http://query.nytimes.com/search/sitesearch/?action=click&contentCollection&region=TopBar&WT.nav=searchWidget&module=SearchSubmit&pgtype=Homepage#/토토사이트 five priority a hundred and fifty preempt

1d11h: %STANDBY-six-STATECHANGE: Ethernet0 Group five point out Standby -> Active

Neighborhood point out is Lively, precedence 150, might preempt

Subsequent hello there despatched in 1.844

Active router is neighborhood

Standby router is 172.12.23.three expires in 10.204

Digital mac address is 0000.0c07.ac05

two point out adjustments, previous condition adjust 00:00:thirteen

In just some seconds, a message appears which the community condition has changed from standby to active. Clearly show standby confirms that R2, the area router, is currently the Energetic router – the main. R3 is now the standby. So if anybody informs you that you've got to take a router down to change the Lively router, they’re Mistaken – you just should use the preempt possibility to the standby priority command.

One more very important Component of HSRP configurations is realizing how you can alter the MAC address of the Digital router, and interface tracking. We’ll take a look at those functions in the next A part of my HSRP tutorial!