Cisco CCNP / BCMSN Exam Tutorial: Switching The Energetic Router In HSRP
To move the BCMSN Test and get paid your CCNP certification, you’ve bought to grasp HSRP inside and out. When the Procedure and basic commands of HSRP are rather basic, there are some vital information that are quickly disregarded but are crucial in obtaining HSRP to operate the way in which you desire it to. Enable’s Consider using the priority command the right way on both equally the exam As well as in manufacturing networks.
A critical value inside the present standby command is definitely the precedence. The default is one hundred, plus the router with the very best priority would be the Main HSRP router. We’ll raise the default precedence on R2 and find out the results. R3 is at the moment the Active router and R2 the standby, so Enable’s increase the precedence on R2 and find out what takes place.
R2(config)#interface ethernet0
R2(config-if)#standby 5 priority 150
R2#show standby
Ethernet0 – Team five
Community point out is Standby, precedence one hundred fifty
Hellotime 4 sec, holdtime twelve sec
Next howdy sent in 0.896
Virtual IP handle is 172.12.23.ten configured
Energetic router is 172.twelve.23.three, priority one hundred expires in eight.072
Standby router is community
1 condition adjustments, final state adjust 00:14:24
R2 now has a better priority, but R3 is still the Lively router. R2 will not likely choose around as being the HSRP Main until eventually R3 goes down – Or perhaps the preempt possibility is configured on R2.
R2(config-if)#standby 5 precedence a hundred and fifty preempt
1d11h: %STANDBY-6-STATECHANGE: Ethernet0 Group five condition Standby -> Lively
Nearby point out is Lively, precedence one hundred fifty, may preempt
Future hi sent in 1.844
Energetic router is regional
Standby router is 172.twelve.23.three expires in 10.204
Virtual mac address is 0000.0c07.ac05
two state changes, last point out adjust 00:00:thirteen
In just a couple seconds, a information seems that the regional point out has modified from standby to Energetic. Present standby confirms that R2, the 안전놀이터 area router, has become the Lively router – the principal. R3 is now the standby. So if everyone tells you that you've to take a router all the way down to change the Active router, they’re wrong – you simply have to make use of the preempt alternative within the https://www.washingtonpost.com/newssearch/?query=토토사이트 standby precedence command.
Yet another crucial Portion of HSRP configurations is understanding ways to change the MAC handle of the Digital router, and interface tracking. We’ll look at These features in another Element of my HSRP tutorial!