Showing 10 of 44 Blog Posts
RIP and RIPv2 Comparison RIPv1 RIPv2 Classfu l/classless Classful Both Algorithm Bellman-Ford Bellman-Ford Metric Hops Hops Maximum hop count 15 15 Infinite metric 16 16 Hello/dead...
Packets originating from a nonrouting device destined for another network are sent to their default gateway (Layer 3 device on segment). The router consults its routing table...
VLANs logically divide a switch into multiple broadcast domains at Layer 2. Each VLAN can represent a logical grouping of users by function or department. As users...
STP is enabled by default for all VLANs in a switch. To change the priority to a lower value for root switch elections, use one of the...
Proprietary Cisco Layer 2 protocol that uses multicast to gather hardware and protocol information about directly connected devices. Network layer protocol and media independent. Enabled by default...
Global Configuration Commands Command Description config-registerregister ...
IPv4 addresses Consist of 32 bits. Are broken into four octets (8 bits each). Use dotted-decimal format; an example is 172.16.122.204. Minimum value (per octet) is 0,...
Three classes of attack are commonly found in today’s network environment: Access attacks Reconnaissance attacks Denial of service (DoS) attacks Access Attacks An access attack is just...
Internet Control Messaging Protocol (ICMP) is used by ping and traceroute utilities. Packet Internet Groper (ping) allows you to validate that an IP address exists and can...
