Cisco CCNP Certification / BSCI Examination Tutorial: Comparing IRDP And HSRP
To go the BSCI exam, you have to know the difference between IRDP and HSRP. While they have the same https://www.totopass.net/ standard purpose, the Procedure and configuration of every are thoroughly different.
The aim of both is to allow hosts to swiftly find out a standby router when the key router fails. IRDP is often used by Home windows DHCP consumers and several Unix versions, but you do see it in Cisco routers as well. IRDP is outlined in RFC 1256.
IRDP routers will multicast Hi messages that host equipment hear. If a host hears from multiple IRDP router, it can choose one as its Major and can get started using the other router if the first it’s decided on goes down.
HSRP can be a Cisco-proprietary protocol that may be designed for speedy cutover to some secondary router if the key fails, although the host gadgets don’t “see” both the key or secondary router. The hosts utilize a Digital router as their default gateway. This Digital router has its personal IP and MAC address! Every one of the when, the router chosen as the first is actually the just one doing the routing. If the key router goes down, the secondary router rapidly requires above with no big interruption to community expert services.
The HSRP routers talk by multicasting updates to 224.0.0.2, and its as a result of these hellos which the HSRP routers choose which router is Key and that's secondary. HSRP is http://edition.cnn.com/search/?text=먹튀검증 defined in RFC 2281.
The configuration of each of those will probably be covered in a long term tutorial. In the meantime, I urge you to read through the RFCs described in this article, and stop by www.cisco.com/univercd to examine the configurations and solutions readily available for both equally of such crucial protocols.