Spanning-Tree Protocol is a link management protocol that provides path redundancy while preventing undesirable loops in the network. For an Ethernet network to function properly, only one active path can exist between…
Tag: STP
Spanning-Tree Protocol (STP) – II
STP States To participate in STP, each port of a switch must progress through several states. A port begins in a Disabled state moving through several passive states and finally into an…
Spanning-Tree Protocol (STP) – I
A Layer 2 switch, which functions as a transparent bridge, offers no additional links for redundancy purposes. To add redundancy, a second switch must be added. Now two switches offer the transparent…
CCNA Quick Notes – LAN
1. What is carrier sense multiple access collision detect (CSMA/CD)? CSMA/CD describes the Ethernet access method. In CSMA/CD, many stations can transmit on the same cable, and no station has priority over…