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

To move the BCMSN exam and gain your CCNP certification, you’ve got to grasp HSRP within and out. Whilst the operation and fundamental commands of HSRP are very uncomplicated, there are many important facts which might be very easily missed but are very 안전공원 important in finding HSRP to operate how you want it to. Let’s take a look at using the precedence command appropriately on both the Test and in manufacturing networks.

A crucial price while in the clearly show standby command could be the priority. The default is one hundred, as well as the router with the best precedence will be the Most important HSRP router. We’ll raise the default precedence on R2 and find out the outcome. R3 is currently the Energetic router and R2 the standby, so Permit’s increase the precedence on R2 and find out what takes place.

R2(config)#interface ethernet0

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

R2#show standby

Ethernet0 – Team five

Community state is Standby, precedence a hundred and fifty


Hellotime 4 sec, holdtime 12 sec

Future hi despatched in 0.896

Digital IP deal with is 172.twelve.23.10 configured

Active router is 172.twelve.23.3, priority a hundred expires in 8.072

Standby router is regional

1 state adjustments, past point out transform 00:fourteen:24

R2 now has a higher precedence, but R3 remains to be the Lively router. R2 will not just take in excess토토사이트 of given that the HSRP Key right until R3 goes down – OR the preempt possibility is configured on R2.

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

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

Regional point out is Energetic, precedence a hundred and fifty, may well preempt

Subsequent hello there despatched in one.844

Energetic router is area

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

Digital mac address is 0000.0c07.ac05

two state changes, past state improve 00:00:13

In just a few seconds, a information seems which the nearby point out has adjusted from standby to Energetic. Display standby confirms that R2, the neighborhood router, is now the active router – the main. R3 has become the standby. So if anybody tells you you have to take a router all the way down to change the Active router, they’re Improper – you just really have to use the preempt option over the standby priority command.

A different essential Portion of HSRP configurations is recognizing ways to alter the MAC address of the virtual router, and also interface monitoring. We’ll look at those capabilities in the next Portion of my HSRP tutorial!