Networking Interview Questions & Answer with Explanation (Part-2)
Networking Interview Questions 22-43 22. What is HSRP, VRRP & GLBP? HSRP: (Hot Standby Router Protocol) Link redundancy (Backup Link). Provides default gateway redundancy using one active and one standby router: Cisco Proprietary. VRRP: (Virtual Router Redundancy Protocol) Link redundancy (Backup Link) an open-standard alternative to Cisco’s HSRP. GLBP: (Gateway Load Balancing Protocol) Link redundancy (Backup Link) across gateways. Supports load balancing; Cisco proprietary. Differences HSRP VRRP GLBP Standard No, cisco proprietary Yes, IETF standard No, cisco proprietary Modes Name Active/ Standby Master/ Backup Active virtual Gateway Active Virtual Forwarder Router Modes 1 active, 1 standby & others listening 1 master others backup 1 AVG and others AVF (all active) Com...