paid Labs Lab ips-05 - NAT Overload (PAT) NAT overload - usually called PAT (Port Address Translation) - shares a SINGLE outside IP across many inside hosts by J May 12, 2026 4 min read
paid Labs Lab ips-04 - Dynamic NAT with Pool Dynamic NAT translates inside private addresses to a POOL of outside public addresses. Each inside host gets the next available J May 12, 2026 3 min read
paid Labs Lab ipc-13 - VRRP vs HSRP Comparison VRRP (Virtual Router Redundancy Protocol, RFC 5798) is the open-standard equivalent of HSRP. Same idea: two or more routers share J May 12, 2026 4 min read
paid Labs Lab ipc-12 - HSRP Active-Standby HSRP (Hot Standby Router Protocol) is Cisco's first-hop redundancy protocol. Two routers share a virtual IP address; one J May 12, 2026 4 min read
paid Labs Lab ips-01 - IOS XE as a DHCP Server Cisco IOS XE can act as a DHCP server, handing out IP addresses to clients on a LAN. Not as J May 12, 2026 4 min read
paid Labs Lab ipc-14 - GLBP Active-Active Load Balancing HSRP and VRRP have one router actively forwarding for the virtual IP while the others sit idle. GLBP (Gateway Load J May 12, 2026 4 min read