ACLs Wildcard Mask is a string of 32 binary digits used by the router to determine which bits of the address to examine for a match. We use wildcard masking in several places, for example, To indicate the size of a network or subnet for some routing protocols, such as OSPF. The IPv6 ACLs use… Read more
OSPFv2 is a link-state routing protocol Introduced in 1991 for IPv4 as an alternative to Routing Information Protocol (RIP). Figure 1 is a reference topology for configuring OSPFv2. The routers in the topology have a starting configuration, including interface address and password configurations. None of the routers has static or dynamic routing configured. All routers