A network bridge connects multiple network segments at the data link layer -LRB- Layer NUMBER@1 -RRB- of the ORGANIZATION@1 model , and the term Layer NUMBER@1 switch is very often used interchangeably with bridge .

A network bridge is a device which connects two parts of a network together at the data link layer -LRB- layer NUMBER@1 of the ORGANIZATION@1 model -RRB- .
