Will cover the three FHRP's for the CCNP R/S in the article, review some very basics of each protocol, and jump into commands to troubleshoot them on TSHOOT day! HSRP (Hot Standby Router Protocol) Review and Troubleshooting Review HSRP is Cisco Propriety HSRP works on both Layer 3 switches and Cisco Routers Hello 3 sec … Continue reading TSHOOT – HSRP, VRRP, and GLBP First Hop Redundancy Protocol review and troubleshooting!
Wanted to jot down some bullet point style notes as to the differences between the 3 FHRP's that you will see on exam day for SWITCH, and a few things you may also see on ROUTE at the bottom for Authentication and creating "Tracking objects" to increment and decrement values of the different Priority #'s … Continue reading HSRP vs VRRP vs GBLP – All Default settings, Authentication, and important quick notes for Exam day!
FHRP itself describes different Gateway Redundancy / Fault-Tolerant protocols, that allow for transparent gateway fail-over upon router failure, by using different methods of creating Virtual Router IPs for host gateways. Cisco documentation describes FHRP as being either HSRP or VRRP, cited on their official website here, which I will cover along with GLBP - However … Continue reading FHRP – First Hop Redundancy Protocols intro for the SWITCH exam!