Cisco CCNP / BCMSN Test Tutorial: Switching The Active Router In HSRP
To pass the BCMSN Test and get paid your CCNP certification, you’ve acquired to know HSRP inside and out. Although the operation and standard commands of HSRP are rather straightforward, there are several vital aspects which might be easily ignored but are critical in acquiring HSRP to work the way in which you wish it to. Enable’s Consider using the precedence command accurately on both equally the Examination and in output networks.
A important value within the show standby command is definitely the priority. The default is a hundred, and also the router with the very best priority will be the primary HSRP router. We’ll increase the default precedence on R2 and see the results. R3 is currently the Lively router and R2 the standby, so Enable’s increase the priority on R2 and find out what comes about.
R2(config)#interface ethernet0
R2(config-if)#standby five precedence a hundred and fifty
R2#demonstrate standby
Ethernet0 – Team five
Community state is Standby, priority a hundred and fifty
Hellotime four sec, holdtime 12 sec
Subsequent hi despatched in 0.896
Digital IP handle is 172.12.23.ten configured
Lively router is 172.twelve.23.3, precedence one hundred expires in 8.072
Standby router is area
one condition variations, very last point out improve 00:fourteen:24
R2 now has a greater priority, but R3 is still the Lively router. R2 will not likely choose in excess of as being the HSRP Most important until R3 goes down – Or even the preempt possibility is configured on R2.
R2(config-if)#standby 5 precedence one hundred fifty preempt
1d11h: %STANDBY-6-STATECHANGE: Ethernet0 Group 5 point out Standby -> Energetic
Regional point out is Lively, priority one hundred fifty, could preempt
Future hello sent in 1.844
Active router is area
Standby router is 172.twelve.23.3 expires in ten.204
Virtual mac deal with is 0000.0c07.ac05
two state alterations, last state change 00:00:13
In only a few seconds, a concept seems that the local point out has adjusted from standby to Lively. Clearly show standby confirms that R2, the neighborhood router, is now the Energetic router – the key. R3 is now the standby. So if anybody informs you that you've got to take a router right down to alter the Energetic http://edition.cnn.com/search/?text=토토사이트 router, they’re wrong – you merely really have to use the preempt possibility on 토토사이트 the standby precedence command.
An additional essential Portion of HSRP configurations is figuring out tips on how to alter the MAC address on the Digital router, as well as interface tracking. We’ll have a look at People options in the following Portion of my HSRP tutorial!