Cisco CCNP / BCMSN Exam Tutorial: Transforming The Energetic Router In HSRP
To go the BCMSN Examination and receive your CCNP certification, you’ve received to find out HSRP inside of and out. Although the Procedure and basic instructions of HSRP are fairly easy, there are a few essential facts which are quickly ignored but are essential in having HSRP to operate the way in which you desire it to. Allow’s Examine utilizing the priority command effectively on equally the Examination and in manufacturing networks.
A key worth from the display standby command is the priority. The default is one hundred, and also the router with the highest precedence would be the Major HSRP router. We’ll raise the default precedence on R2 and see the effects. R3 is now the Energetic router and R2 the standby, so Enable’s increase the precedence on R2 and find out what occurs.
R2(config)#interface ethernet0
R2(config-if)#standby five precedence 150
R2#present standby
Ethernet0 – Team five
Regional point out is Standby, priority one hundred fifty
Hellotime four sec, holdtime 12 sec
Future howdy sent in 0.896
Virtual IP deal with is 172.twelve.23.10 configured
Lively router is 172.12.23.three, priority 100 expires in eight.072
Standby router is neighborhood
1 point 토토사이트 out changes, very last point out adjust 00:14:24
R2 https://en.wikipedia.org/wiki/?search=토토사이트 now has the next precedence, but R3 continues to be the Lively router. R2 will not acquire in excess of as being the HSRP Key till R3 goes down – Or maybe the preempt choice is configured on R2.
R2(config-if)#standby five priority one hundred fifty preempt
1d11h: %STANDBY-6-STATECHANGE: Ethernet0 Group five point out Standby -> Energetic
Local state is Active, precedence 150, may possibly preempt
Up coming hi despatched in one.844
Lively router is regional
Standby router is 172.12.23.three expires in ten.204
Digital mac address is 0000.0c07.ac05
2 state improvements, very last state modify 00:00:13
In only a few seconds, a information seems that the regional condition has transformed from standby to active. Clearly show standby confirms that R2, the local router, is now the Lively router – the key. R3 is currently the standby. Therefore if any person lets you know you have to have a router all the way down to change the Active router, they’re Completely wrong – you just must utilize the preempt alternative around the standby priority command.
Another very important part of HSRP configurations is being aware of tips on how to change the MAC deal with with the virtual router, as well as interface tracking. We’ll take a look at People capabilities in the next Portion of my HSRP tutorial!