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

To move the BCMSN exam and earn your CCNP certification, you’ve acquired to find out HSRP inside of and out. Though the Procedure and standard instructions of HSRP are really straightforward, there are several crucial details that are effortlessly overlooked but are important in having HSRP to work the way you'd like it to. Let’s take a look at using the priority command effectively on the two the exam and in production networks.

A vital value from the clearly show standby command is the precedence. The default is 100, plus the router with the very best precedence will be the Most important HSRP router. We’ll raise the default precedence on R2 and find out the final results. R3 is at this time the Active router and R2 the standby, so Enable’s raise the precedence on R2 and see what happens.

R2(config)#interface ethernet0

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

R2#demonstrate standby

Ethernet0 – Group five

Nearby condition is Standby, priority one hundred fifty

Hellotime four sec, holdtime twelve sec

Subsequent hello there sent in 0.896

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

Energetic router is 172.12.23.three, priority a hundred expires in 8.072

Standby router is regional

1 state modifications, previous state alter 00:fourteen:24

R2 now has a higher priority, but R3 remains to be the active router. R2 is not going to acquire around because the HSRP primary until R3 goes down – Or even the preempt selection is configured on R2.

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

1d11h: %STANDBY-six-STATECHANGE: Ethernet0 Group 5 state Standby -> Energetic

Community condition is Lively, priority a hundred and fifty, could preempt

Upcoming hi sent in 1.844

Lively router is nearby

Standby router is 172.12.23.three expires in 10.204

Digital mac deal with is 0000.0c07.ac05

two point out changes, very last state alter 00:00:13

image

In just a http://www.bbc.co.uk/search?q=토토사이트 couple seconds, a concept seems that the nearby condition has improved from standby to Lively. Clearly show standby confirms that R2, the area router, is now the Energetic router – the primary. R3 is currently the standby. So if any one tells you that you've to take a router all the way down to change the Active router, they’re wrong – you only need to make use of the preempt option within the standby priority command.

An additional 먹튀검증사이트 very important Section of HSRP configurations is realizing the way to alter the MAC tackle on the virtual router, in addition to interface monitoring. We’ll examine those functions in the subsequent Component of my HSRP tutorial!