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Home > Archive > CCNA > January 2003 > Hsrp
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| MaulerJ 2003-01-16, 11:29 pm |
| HRSP:
Did a lab tonight using HSRP on two router interfaces, pretty neat. Shutdown the router and the other took over, powered back up, and the first preempted the and regained control!!!
Isn't war grand,
I think CISCO is taking over my mind | |
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| Now that you have seen HSRP in action, two questions for you:
i) where does this application fit in the Cisco three layer model?
ii) can you give a practical example of where and why, HSRP would be used.
I know some examples, and although HSRP is beyond the scope of CCNA, it's useful to know about it, especially if you are in an ISP environment.
Hippo
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| MaulerJ 2003-01-17, 4:36 pm |
| Redundancy, and you would keep the other router online to route when the other router fails. As far as what we did with it, I can see why
In your case? | |
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| This application would sit at the core level of the Cisco model.
I have experience of this set up in an Internet Server Farm environment. Two 7500 series routers - known as front end routers - were running HSRP into two Catalyst 6509 switches, also running in hot standby. These routers were the interface to the Internet. Full redundancy was achieved such that if 50% of the network hardware failed, then 100% of network connectivity was maintained. A regular task, about once a month, in the late hours of the night was to switch of one of the routers and watch the traffic flow in and out of the surviving router. Then switch the router back on and watch the traffic revert to the principal router. Nervy staff, but fun to watch it all work.
Hippo | |
| MaulerJ 2003-01-17, 8:39 pm |
| Nice |
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