Cisco CCNP / BCMSN Examination Tutorial: Altering The Lively Router In HSRP
To pass the BCMSN Test and make your CCNP certification, you’ve received to know HSRP inside of and 메이저사이트 out. Although the Procedure and essential commands of HSRP are fairly uncomplicated, usually there are some essential information that are easily neglected but are crucial in obtaining HSRP to operate the way in which you desire it to. Allow’s Have a look at utilizing the priority command effectively on both the exam and in generation networks.
A critical benefit in the clearly show standby command will be the priority. The default is a hundred, plus the router with the very best priority will be the Key HSRP router. We’ll increase the default priority on R2 and see the final http://www.bbc.co.uk/search?q=토토사이트 results. R3 is at this time the Energetic router and R2 the standby, so Allow’s raise the precedence on R2 and see what occurs.
R2(config)#interface ethernet0
R2(config-if)#standby five priority a hundred and fifty
R2#clearly show standby
Ethernet0 – Group 5
Community condition is Standby, precedence a hundred and fifty
Hellotime four sec, holdtime 12 sec
Future hello despatched in 0.896
Digital IP address is 172.twelve.23.ten configured
Lively router is 172.12.23.3, precedence a hundred expires in 8.072
Standby router is area
one state adjustments, very last point out transform 00:fourteen:24
R2 now has an increased priority, but R3 remains the Energetic router. R2 won't acquire in excess of as being the HSRP Key till R3 goes down – Or maybe the preempt possibility is configured on R2.
R2(config-if)#standby 5 priority one hundred fifty preempt
1d11h: %STANDBY-6-STATECHANGE: Ethernet0 Team 5 condition Standby -> Active
Local point out is Energetic, priority 150, may well preempt
Next howdy despatched in 1.844
Active router is area
Standby router is 172.twelve.23.3 expires in 10.204
Digital mac tackle is 0000.0c07.ac05
2 point out variations, final state adjust 00:00:13
In just some seconds, a information seems which the local point out has transformed from standby to Energetic. Present standby confirms that R2, the regional router, is currently the Lively router – the first. R3 has become the standby. So if any person lets you know that you have to take a router right down to change the Lively router, they’re wrong – you merely should utilize the preempt alternative about the standby precedence command.
One more critical Element of HSRP configurations is understanding the best way to change the MAC address of your virtual router, along with interface monitoring. We’ll have a look at People functions in the next Component of my HSRP tutorial!