Cisco CCNP Certification / BSCI Exam Tutorial: Comparing IRDP And HSRP
To pass the BSCI Test, you have to know the difference between IRDP and HSRP. Though they may have the same simple function, the Procedure and configuration of each and every are thoroughly distinctive.
The aim of 먹튀검증 equally is to permit hosts to speedily find out a standby router when the key router fails. IRDP is often used by Windows DHCP clients and several other Unix versions, however , you do see it in Cisco routers too. IRDP is outlined in RFC 1256.
IRDP routers will multicast Hello messages that host units listen to. If a bunch hears from more than one IRDP router, it'll choose one as its Principal and may get started utilizing the other router if the main it’s decided on goes down.
HSRP is usually a Cisco-proprietary protocol that's made for speedy cutover to a secondary router if the first fails, though the host gadgets don’t “see” either the principal or secondary router. The http://www.bbc.co.uk/search?q=먹튀검증 hosts utilize a virtual router as their default gateway. This Digital router has its own IP and MAC handle! The many while, the router decided on as the primary is in fact the a single carrying out the routing. If the key router goes down, the secondary router promptly usually takes around without major interruption to community solutions.
The HSRP routers converse by multicasting updates to 224.0.0.2, and its by means of these hellos that the HSRP routers decide which router is Most important and and that is secondary. HSRP is defined in RFC 2281.
The configuration of each of such will likely be coated in a very upcoming tutorial. In the meantime, I urge you to definitely go through the RFCs talked about in this article, and stop by www.cisco.com/univercd to examine the configurations and choices readily available for both equally of these essential protocols.